# VGRID POWER — full content Microgrid solutions and core equipment PCS manufacturer Contact: dengshengyang@vgridpower.com | 0755-23202574 --- # Scenario Solutions Scenario Solutions # 核心设备 # Energy storage converter PCS DC- and AC-coupled PCS with optional built-in STS, sized for 125 kVA microgrids # Toggle switch STS/PCM Millisecond transfer between two supplies — keeps critical loads energised # Energy storage converter system Power-conversion core for commercial storage and microgrids — 30–135 kVA, grid-tie and off-grid # Microgrid equipment # Microgrid Energy Storage Converter For small and medium storage microgrids; optional built-in STS, DC/AC coupling ## SP125HCPS Series Microgrid Energy Storage Converter - SKU: SP125HCPS - Price: ¥0 per set - MOQ: 1 set - URL: https://vgridpower.com/en/product/sp125hcps ### Summary The SP125HCPS series microgrid energy storage converter is a highly efficient and reliable energy storage converter developed for small and medium-sized energy storage microgrids. It supports DC/AC coupling, offers an optional model with a built-in STS, achieves on-grid/off-grid switching time of <10ms, and delivers a maximum efficiency of 98.5%. ### Key features - Grid-forming inverter - 125% overload capacity - Maximum efficiency 98.5% - Optional built-in STS (<10ms switching) - Supports heterogeneous battery access - Three-phase independent grid-connected control ### Specifications - Model: SP125HCPS / SP125HCPSS-CN (built-in STS) - Rated Power (Grid-tied): 125kVA / 125kVA - Rated Current (Grid-tied): 181A / 181A - Grid Voltage: 400V/230V, range -20%~+15% - Grid Frequency: 50Hz (47~52Hz) or 60Hz (57~62Hz) - Rated Output (Off-grid): 125kVA / 125kVA - Max Output (Off-grid): 137.5kVA / 137.5kVA - Max Output Current (Off-grid): 200A / 200A - Max Battery Voltage: 950V - Min Battery Voltage: 680V - Rated Battery Voltage Range: 680V~900V - Max Battery Current: 200A / 200A - Grid-tied/Off-grid Switching Function: No STS / Built-in STS (switching time <10ms) - Installation Method: Rack-mounted - Max Efficiency: 98.5% - Standby/No-load Power Consumption: Standby <15W / No-load <200W - Protection Rating: IP20 (core control part IP5X) - Dimensions: SP125HCPS: W*L*H 440*720*200mm; SP125HCPSS-CN: 440*720*220mm - Weight: <50kg - Operating Temperature: -30~60℃ (derating above 45℃) - Humidity: 5~95% - Cooling Method: Intelligent air cooling - Altitude: 4000m (derating above 2000m) - Power Factor: -1~1 - Current Harmonics: <3% (above 30% load) - Output Overload: load<1.1x continuous / 1.1x45℃降额使用） - 湿度: 5~95% - 冷却方式: 智能强制风冷 - 海拔: 4000m（2000m以上降额使用） - 保护功能: 过温保护、过流保护、过压保护、对地短路保护 - 核心特点: 高防护 IP65、壁挂安装、升降压变换器（电池电压不受光伏配置影响）、多路光伏输入、高转换效率 - 应用场景: 工商业光储一体、光储柴小型微网、光储数据机房、光储充电站 The SP200/150HAPV series photovoltaic MPPT controllers are suitable for small and medium-sized energy storage photovoltaic DC-coupled microgrids. The product features a high protection rating of IP65, wall-mounted installation, a wide DC voltage input range, 16/12 PV inputs, and a buck-boost converter design that makes the battery voltage independent of the PV configuration. It has built-in multiple protections and supports parallel operation of multiple units. ### FAQ **Q: Do you support customization?** Yes. Shenzhen VGRID POWER can provide customized development and OEM/ODM services for PCS, MPPT, DCDC, STS, and all-in-one products according to project requirements. Are the products certified? The products have obtained multiple domestic and international certifications, including CE, TUV Rheinland, G99/EMC, JET (Japan), and ISO9001. For specific certification documents, please contact the sales team. Do you provide technical support? Yes. The company provides solution design, commissioning, after-sales service, and global technical support for microgrid and energy storage projects. # Fast static transfer switch STS 200–600 kW static transfer modules switching in under 20 ms ## STS200/400/600 Series Static Transfer Switch Module - SKU: STS200 - Price: ¥0 per set - MOQ: 1 set - URL: https://vgridpower.com/en/product/sts200-400-600 ### Summary The STS200/400/600 series static transfer switch modules are fast transfer switch modules developed for small and medium-sized energy storage plus backup power microgrids, supporting seamless on-grid/off-grid switching with a switching time of <20ms, and supporting on-grid/off-grid switching standards of multiple countries. ### Key features - Switching time <20ms - Seamless on/off-grid switching - Grid-side/load-side detection - Supports switching standards of multiple countries - Integrated LocalEMS - Multiple communication interfaces (RS485/CAN/4G) ### Specifications - 型号: STS200 / STS400 / STS600 - 额定功率: 200KW / 400KW / 600KW - 交流电压(范围): 400V/230V（-20%~+15%） - 频率范围: 50Hz/60Hz（±5Hz） - 最大交流功率: 220KVA / 400KVA / 600KVA - 最大交流电流: 330A / 660A / 1000A - 切换时间: <20ms - 谐波检测: YES - 通讯口: RS485×3 / modbus TCP / CAN / 4G - DIDO: DI:2路 / DO:2路 - 防护等级: IP20（核心控制部分IP5X） - 尺寸(W*L*H): STS200: 440*420*360mm；STS400/STS600: 650*420*360mm - 重量: STS200: 35kg；STS400/STS600: 63kg - 工作温度: -30~60℃ - 湿度: 0~100% - 冷却方式: 智能强制风冷 - 海拔: 4000m（2000m以上降额使用） - 保护功能: 过温保护、过流保护、过压保护、对地短路保护 - 核心特点: 内部集成 LocalEMS、无缝切换、网侧/负荷侧电压电流检测、支持多国并离网切换标准 - 应用场景: 工商业储能+应急备电、光储柴小型微网、移动储能、光储充电站 The STS200/400/600 series static transfer switch modules support seamless on-grid/off-grid switching, featuring grid-side/load-side voltage, current, and power detection. They integrate LocalEMS internally and support multiple communication interfaces such as RS485×3, Modbus TCP, CAN, and 4G. They are suitable for scenarios including PV-storage microgrids, backup power, emergency power, and diesel-storage systems. # Photovoltaic energy storage grid-connected/off-grid integrated machine All-in-one units with PCS, MPPT, EMS and transfer switch — 250–750 kVA ## SP250HAG2T Hybrid PV-ESS On/Off-Grid All-in-One Machine - SKU: SP250HAG2T - Price: ¥0 per Platform - MOQ: 1 Platform - Lead time: 15-30 days - URL: https://vgridpower.com/en/product/sp250hag2t-2 ### Summary SP250HAG2T solar-storage grid-connected/off-grid integrated machine, integrating PCS, MPPT, EMS, PCM grid-connected/off-grid transfer switch, AC/DC power distribution unit, generator control, surge protective device, and built-in isolation transformer, supports diesel generator, PV, and battery connection, suitable for scenarios such as PV-storage-diesel microgrids and diesel-storage backup mine power supplies. ### Key features - Seamless on/off-grid switching within 10ms, ensuring continuous power supply for critical loads - Multi-channel DC coupling, charging efficiency greater than 99.3% - Diesel generator hybrid, grid-forming operation, adaptable to weak grid environments - Built-in anti-backflow and peak shaving/valley filling, optimizing energy utilization - Supports multi-unit parallel connection, expanding system capacity - ALL IN ONE design, rapid deployment, simple on-site commissioning ### Specifications - Model: SP250HAG2T - Maximum Battery Voltage: 950V - Minimum Battery Voltage: 680V - Rated Battery Voltage Range: 680V-900V - Maximum Battery Current: 200A*2 - PV Power: 120KW*2 - Maximum PV Voltage: 950V - Minimum PV Voltage: 200V - MPPT Voltage Range: 200V-850V - MPPT Rated Voltage: 600V - Maximum Input Current: 200A*2 - High Voltage Side Voltage Range: 500V-950V - Rated Power (Grid-tied): 250kVA - Rated Current (Grid-tied): 362A - Rated Grid Voltage: 400V/230V - Grid Voltage Range: -20%~15% - Grid Unbalance: 125% - Grid Frequency Range: 50Hz/47Hz~52Hz(60Hz/57Hz~62Hz) - Current Harmonics: <3% (>30% load) - Power Factor: -1~1 - Rated Output Power (Off-grid): 250kVA - Maximum Output Power (Off-grid): 275kVA - Rated Output Current (Off-grid): 362A - Maximum Output Current (Off-grid): 398.2A - Rated Voltage (Off-grid): 400V/230V - Output Voltage Harmonics: <2% (resistive load) - Unbalance (Off-grid): 100% - Frequency Range (Off-grid): 50/60Hz - Output Overload (Current) Ie: Rated Output Current: Ie*1.199.3% - Fast on/off-grid switching <20ms - Supports diesel generator/PV/battery connection - EMS energy management (peak shaving/anti-backflow/diesel-electric hybrid) ### Specifications - 型号: SP375HAG2 / SP500HAG2 - 最高电池电压: 950V - 最低电池电压: 680V - 额定电池电压范围: 680V-900V - 最大电池电流: 600A / 800A - 光伏功率: 120kW×3 / 120kW×4 - 最高PV电压: 950V - 最低PV电压: 200V - 额定MPPT电压范围: 600V-900V - 最大输入电流: 200A×3 / 200A×4 - 额定功率(并网): 375kVA / 500kVA - 额定输出电流(并网): 543A / 724A - 额定电网电压: 400V/230V(3P4L) - 电网电压范围: -20%~+15% - 并网不平衡度: 125% - 电网频率范围: 50Hz(47~52Hz) 或 60Hz(57~62Hz) - 电流谐波: <3%（大于30%负载） - 功率因数: -1~1 - 最大输出功率(离网): 412.5kVA / 550kVA - 最大输出电流(离网): 597.3A / 796.4A - 额定电压(离网): 400V/230V - 输出电压谐波: <2%（阻性负载） - 不平衡度: 100% - 输出过载: 1.1倍长期 / 1.25倍60s - 并离网切换时间: 主动：0ms；被动：<20ms - 并机数量: 3台 - EMS功能: SOC均衡、削峰填谷、自发自用、余电上网、云平台、防逆流、油电混动 - 隔离变压器: 无（支持增加变压器启动） - 旁路能力: 800A / 800A - 防护等级: IP54/IP20 - 尺寸: W*H*D 1200*2000*1000mm - 重量: ≈730kg / ≈850kg - 工作温度: -30~60℃（>45℃降额使用） - 湿度: 10~100% - 冷却方式: 风冷 - 海拔: 4000m（2000m以上降额使用） - 核心特点: 内部集成PCS、MPPT、EMS、PCM并离网切换开关、交直流配电单元；支持柴发/光伏/电池接入；ALL IN ONE即插即用；多路直流耦合，充电效率>99.3% - 应用场景: 光储备微电网、储备电源、应急电源、柴储、施工工地、油田开采、野外施工等 The SP375/500HAG2 series optical storage grid-connected and off-grid integrated machine has a rated power of 375kVA/500kVA and adopts an ALL IN ONE design, enabling rapid deployment and simple on-site commissioning. The product integrates PCS, MPPT, EMS, PCM grid-connected and off-grid transfer switches, and AC/DC power distribution units. It supports diesel generator, PV, and battery connections, supports multiple units in parallel, and features multiple DC coupling (charging efficiency >99.3%), anti-backflow, self-consumption, peak shaving and valley filling, diesel generator hybrid operation, and grid-forming operation. It is suitable for scenarios such as PV-storage-diesel microgrids, diesel storage backup mine power supplies, construction sites, and oilfield extraction. ### FAQ **Q: Do you support customization?** Yes. Shenzhen VGRID POWER can provide customized development and OEM/ODM services for PCS, MPPT, DCDC, STS and all-in-one products according to project requirements. Are the products certified? The products have passed multiple domestic and international certifications including CE, TUV Rheinland, G99/EMC, JET (Japan), ISO9001, etc. Specific certification documents can be obtained by contacting the sales team. Do you provide technical support? Yes. The company provides solution design, commissioning, after-sales and global technical support for microgrid and energy storage projects. ## SP250HAG2T Series All-in-One Storage Cabinet (Isolation Transformer) - SKU: P250HAG2T - Price: ¥0 per set - MOQ: 1 set - URL: https://vgridpower.com/en/product/sp250hag2t ### Summary The SP250HAG2T Series All-in-One Storage Cabinet features a built-in isolation transformer and integrates PCS, MPPT, EMS, PCM on/off-grid transfer switch and AC/DC distribution units, with IP54 protection, suitable for microgrid scenarios requiring isolation transformation. ### Key features - Built-in isolation transformer - IP54 high protection - ALL IN ONE cabinet - On/off-grid transfer <20ms - Supports diesel generator/PV/battery connection - EMS energy management ### Specifications - Model: SP250HAG2T - Maximum battery voltage: 950V - Minimum battery voltage: 680V - Rated battery voltage range: 680V-900V - Maximum battery current: 400A - PV power: 120kW×2 - Maximum PV voltage: 950V - Minimum PV voltage: 200V - Rated MPPT voltage range: 600V-900V - Maximum input current: 200A×2 - Rated power (on-grid): 250kVA - Rated output current (on-grid): 362A - Rated grid voltage: 400V/230V(3P4L) - Grid voltage range: -20%~+15% - On-grid unbalance: 125% - Grid frequency range: 50Hz(47~52Hz) or 60Hz(57~62Hz) - Current harmonics: <3% (above 30% load) - Power factor: -1~1 - Maximum output power (off-grid): 275kVA - Maximum output current (off-grid): 398A - Rated voltage (off-grid): 400V/230V - Output voltage harmonics: <3% (resistive load) - Unbalance: 100% - Output overload: 1.1 times continuous / 1.25 times 60s - On/off-grid transfer time: Active: 0ms; Passive: <20ms - Number of parallel units: 3 - EMS functions: SOC balancing, peak shaving and valley filling, self-consumption, surplus power feed-in, cloud platform, anti-reverse flow, diesel-electric hybrid - Isolation transformer: Built-in isolation transformer - Bypass capability: 500A - Protection rating: IP54 - Dimensions: W*H*D 1000*1800*973mm - Weight: ≈1310kg - Operating temperature: -30~60℃ (derating above 45℃) - Humidity: 10~100% - Cooling method: Air cooling - Altitude: 4000m (derating above 2000m) - Core features: Built-in isolation transformer, internally integrated PCS, MPPT, EMS, PCM on/off-grid transfer switch, AC/DC distribution units; ALL IN ONE plug-and-play; IP54 high protection - Application scenarios: PV-storage-diesel microgrids, backup power supplies, emergency power supplies, diesel-storage, construction sites, oilfield extraction, field construction, etc. The SP250HAG2T Series All-in-One Storage Cabinet has a rated power of 250kVA, a built-in isolation transformer and IP54 high protection rating. The product integrates PCS, MPPT, EMS, PCM on/off-grid transfer switch and AC/DC distribution units, supports diesel generator, PV and battery connection, supports parallel operation of multiple units, and features SOC balancing, peak shaving and valley filling, self-consumption, surplus power feed-in, cloud platform, anti-reverse flow and diesel-electric hybrid functions. It is suitable for PV-storage-diesel microgrids, diesel-storage backup mine power supplies, field construction, oilfield extraction and other scenarios. ### FAQ **Q: Do you support customization?** Yes. Shenzhen VGRID POWER can provide customized development and OEM/ODM services for PCS, MPPT, DCDC, STS and all-in-one products according to project requirements. Has the product passed certifications? The product has passed multiple domestic and international certifications including CE, TUV Rheinland, G99/EMC, JET (Japan) and ISO9001. Please contact sales for specific certification documents. Do you provide technical support? Yes. The company provides solution design, commissioning, after-sales and global technical support for microgrid and energy storage projects. # Hybrid inverter Hybrid PCS 30–60 kVA with isolated air ducts, 280/314 Ah cell support and built-in transfer switch # Microgrid AC Cabinet MPS Integrated cabinets combining PCS, MPPT, EMS and isolation transformer — 250–750 kVA ## SP750H54PSTD Integrated Cabinet - SKU: SP750H54PSTD - Price: ¥0 per Tai - MOQ: 1 Tai - Lead time: 15–30 days - URL: https://vgridpower.com/en/product/sp750h54pstd-2 ### Summary SP750H54PSTD integrated cabinet integrates PCS, EMS, isolation transformer, and AC/DC power distribution units, with a rated power of 750kVA, supporting grid, diesel generator, battery, and PV connections, IP54 high protection, suitable for emergency power supply, diesel-storage, construction sites and other scenarios, and supports multi-cabinet parallel operation. ### Key features - Integrated internally with PCS, EMS, isolation transformer, and AC/DC power distribution unit - Configurable external STS with switching time ≤20ms - Supports grid, diesel generator, and battery connection, with built-in PV connection switch - Charging efficiency greater than 99.3%, supports multi-channel DC coupling - IP54 high protection rating, suitable for various application scenarios - Supports multi-cabinet parallel connection, ALL IN ONE plug and play ### Specifications - Model: SP750H54PSTD - Maximum battery voltage: 950V - Minimum battery voltage: 680V - Rated battery voltage range: 680V-900V - Maximum battery current: 200A*6 - AC side (grid-tied) rated power: 750kVA - AC side (grid-tied) rated current: 1086A - AC side (grid-tied) rated grid voltage: 400V/230V - AC side (grid-tied) grid voltage range: -20%~15% - AC side (grid-tied) grid unbalance: 125% - AC side (grid-tied) grid frequency range: 50Hz/47Hz~52Hz(60Hz/57Hz~62Hz) - AC side (grid-tied) current harmonics: <3% (above 30% load) - AC side (grid-tied) power factor: -1~1 - AC side (off-grid) rated output power: 750kVA - AC side (off-grid) maximum output power: 825kVA - AC side (off-grid) rated output current: 1086A - AC side (off-grid) maximum output current: 1194A - AC side (off-grid) rated voltage: 400V/230V - AC side (off-grid) output voltage harmonics: <3% (resistive load) - AC side (off-grid) unbalance: 100% - AC side (off-grid) frequency range: 50/60Hz - Output overload (current) Ie*1.145℃降额使用） - 湿度: 5~95% - 冷却方式: 智能强制风冷 - 海拔: 4000m（2000m以上降额使用） - 保护功能: 过温保护、过流保护、过压保护、对地短路保护 - 核心特点: 插框式 DCDC 控制器、支持双向升/降压变换、宽输入/输出电压范围、支持多台并联、电池电压不受配置影响 - 应用场景: 工商业光储一体、光储柴小型微网、光储数据机房、光储充电站 The SP210HCDC DC controller is developed for DC-coupled solutions in small and medium-sized energy storage microgrids. The product features a rack-mounted design, supports bidirectional step-up/step-down conversion, offers a wide input/output voltage range, provides multiple protection functions, and supports parallel operation of multiple units. The battery voltage is not affected by the PV configuration, making it suitable for DC source integration scenarios such as PV-storage flexible DC, hydrogen energy, and wind turbines. ### FAQ **Q: Do you support customization?** Yes. VGRID POWER can provide customized development and OEM/ODM services for PCS, MPPT, DCDC, STS and all-in-one products according to project requirements. Are the products certified? The products have passed multiple domestic and international certifications, including CE, TUV Rheinland, G99/EMC, JET (Japan), and ISO9001. Please contact the sales team for specific certification documents. Do you provide technical support? Yes. The company provides solution design, commissioning, after-sales service, and global technical support for microgrid and energy storage projects. # Rack-mounted STS 19-inch rack-mount units for dual-supply data centres and bypass maintenance # DC converter DCDC/MPPT PV maximum-power-point tracking and DC-bus conversion, multi-MPPT, wide input range --- # About Us # Frequently Asked Questions # Shipping and Payment # Privacy Policy # Off-grid energy storage microgrid # Grid-connected commercial and industrial energy storage # Grid-tied/off-grid / weak-grid microgrid # Business Description # Distributed microgrid solutions --- # 欧标PCS转美标电压：单相负载下的N线回路设计陷阱 从墨西哥光储项目案例出发，剖析欧标400V PCS经变压器转美标电压时，单相负载引发的N线回路缺失问题及整改思路。 引言：一个被误读的技术问题 墨西哥某光伏储能项目中出现了一个值得复盘的技术案例：一套采用欧标400V PCS（储能变流器，Power Conversion System）经变压器转换为美标电压体制的系统，运行中出现PCS侧相电压采样异常，一度被误判为“产品质量问题”。经排查，根源不在PCS本体，而在于系统设计阶段未充分考虑单相负载对N线（中性线）回路的依赖。本文从电气原理出发，梳理该问题的成因、表现与整改路径，供系统集成商参考。 问题背景：墨西哥的电压体制差异 墨西哥属北美市场体系，常见电压体制为120/240V单相、480V三相；而不少进口PCS按欧标230/400V三相四线制设计。集成商通常的做法是在PCS输出端加装变压器完成电压转换，但容易忽略一个关键点：N线回路的连续性，直接决定了单相负载能否正常工作、PCS能否取得准确的电压参考。 问题深度分析 1. 根本原因 本案例中，系统柜内安装了电表、空调等单相设备，这些设备取用的是相线对N线的相电压。设计缺陷在于：PCS侧N线未形成完整回路，单相负载投入时，PCS无法检测到完整的相电压采样。 2. 具体表现 PCS各相电压采样值不稳定，相间电压严重不平衡； 部分精密单相设备频繁复位或工作异常； 系统触发过压/欠压保护，出现频繁脱网。 3. 技术原理 在三相四线制系统中，N线承担单相负载的电流回流功能。单相负载的电流路径为：相线→负载→N线。若PCS侧N线回路不完整，将导致： 电流路径中断，单相负载无法正常工作； PCS采样电路失去准确的电压参考点； 系统接地电位漂移，影响整体电压参考。 从对称分量法看，单相负载会在系统中引入零序分量，零序电流需要N线提供通路。N线缺失或高阻抗时，零序电流被迫通过PE线或大地回流，中性点电位随之偏移，相电压采样自然失真。这一机理与IEC 60364对TN系统接地与保护导体功能分离的要求一致，也与EN 50549对并网变流器电压监测的要求相关。 解决方案与预防措施 1. 正确的系统设计 **N线全程贯通**：从PCS输出端到变压器、再到负载分配盘，N线应保持连续，避免断路或高阻抗连接。 **变压器选型与接线**：选用适合欧标-美标转换的专用变压器，确认绕组连接方式（如Δ-Y）并提供完整的N线引出点。 2. 现场排查与整改 **导通性测试**：检查PCS到变压器段N线导通性，确保电阻值小于0.5Ω。 **接地系统检查**：确认采用正确的TN-S接地方式，N线与PE线仅在变压器中性点处连接一次。 **电压监测**：在负载不同工作状态下，测量PCS端各相电压（相-相及相-N线）并记录数据，分析异常模式。 3. 系统集成建议 **设计阶段**：完成单线图设计，明确标注N线路径；按最大不平衡负载计算N线电流，确保线径足够。 **安装阶段**：N线使用与相线相同材质的导线，严禁在N线中串接开关或断路器。 **验收阶段**：进行模拟单相负载投切时的电压稳定性测试，覆盖并离网无缝切换等工况。 总结与启示 本案例的问题并非产品质量问题，而是系统集成设计缺陷。通过科学分析与技术整改，N线回路异常完全可以解决。在墨西哥等需要电压体制转换的地区，集成商应重视系统设计的完整性与规范性，避免因设计疏忽带来不必要的售后成本与品牌损失。欧标400V PCS在美标电压地区稳定运行的前提，是N线回路、接地方式与变压器接线三者的正确配合；具体参数需结合现场工况核定。 ### FAQ **Q: 欧标400V PCS经变压器转美标电压时，为什么会出现相电压采样异常？** 单相负载会在系统中引入零序分量，零序电流需要N线提供回流路径。若PCS侧N线回路不完整，零序电流被迫经PE线或大地回流，中性点电位偏移，PCS采样电路失去准确电压参考，表现为相电压不稳、相间不平衡。 如何判断系统是否存在N线回路缺失？ 可分段测量PCS到变压器段N线的导通性，确认电阻值小于0.5Ω；同时在不同单相负载工况下记录相-相与相-N线电压，观察是否存在随负载变化的偏移。接地方式应确认为TN-S，N线与PE线仅在变压器中性点单点连接。 变压器接线方式对N线回路有何影响？ Δ-Y接法的变压器可提供中性点引出，便于构建完整N线回路；若采用无中性点引出的接线方式，单相负载将无法取得相电压。选型时需确认绕组连接组别与中性点引出条件，具体需结合现场负载分布核定。 N线中能否安装开关或断路器？ 不应在N线中串接开关或断路器。N线一旦被断开，单相负载回路中断，同时可能造成中性点电位悬浮，危及设备与人身安全。相关要求可参照IEC 60364对中性线保护与隔离的规定。 整改后如何验证系统已恢复正常？ 建议进行模拟单相负载投切测试，覆盖并离网无缝切换工况，监测PCS端各相电压与中性点电位偏移；测试项目与判据应结合现场短路容量、变压器容量及当地并网要求核定。 # 满电出发·逐浪清远 —— 中腾数能2026年度团建活动圆满落幕 为增强团队凝聚力，丰富员工文化生活，2026年8月28日至29日，深圳中腾数能科技有限公司（VGRID Power）组织全体员工前往广东清远，开展了为期两天一夜的"满电出发·逐浪清远"主题团建活动。在紧张的工作之余，大家暂别繁忙的工作岗位，走进山水之间，在自然中释放压力、增进交流，以更饱满的精神状态 为增强团队凝聚力，丰富员工文化生活，2026年8月28日至29日，深圳中腾数能科技有限公司（VGRID Power）组织全体员工前往广东清远，开展了为期两天一夜的"满电出发·逐浪清远"主题团建活动。在紧张的工作之余，大家暂别繁忙的工作岗位，走进山水之间，在自然中释放压力、增进交流，以更饱满的精神状态迎接未来的挑战。 挑战自我，激扬青春 团建首日，团队前往古龙峡景区，员工可自主选择漂流或云天玻霸两大项目。 漂流组的同事们乘坐橡皮艇，在6.1公里的峡谷河道中劈波斩浪，于378米的落差间体验"水上过山车"的刺激与畅快；云天玻霸组则踏上悬空玻璃平台与玻璃桥，在百米高空俯瞰峡谷壮美风光，挑战自我、突破极限。两个项目各具特色，大家在尖叫与欢笑中释放压力，尽情享受夏日的清凉与活力。 【配图：全体员工合影 / 古龙峡景区】 夜幕降临，团建活动迎来温馨热烈的环节——烧烤篝火晚会。熊熊篝火旁，大家围坐在一起，烤肉飘香、歌声悠扬，游戏互动环节更是将气氛推向高潮。员工们放下工作中的严谨与忙碌，展现出轻松活泼的另一面，彼此间的距离在欢声笑语中悄然拉近。 山水之间，凝聚力量 次日，团队前往笔架山生态旅游区。千级瀑布飞流直下，水雾弥漫，栈道蜿蜒于山林之间。大家漫步其中，感受大自然的清新与壮美，在山水间放松身心、交流心得。 【配图：笔架山合影】 下午的北江游船之旅同样令人难忘。乘游船沿江而行，两岸青山如画，江风拂面令人心旷神怡。同事们或凭栏远眺，或围坐畅谈，在悠然时光中增进了解、加深友谊。 凝心聚力，共赴未来 两天一夜的团建之旅在欢声笑语中圆满结束。这不仅是一次放松身心的旅行，更是一场凝聚团队力量的心灵充电。 此次活动充分展现了中腾数能员工积极向上、团结协作的精神风貌，也让大家在工作之余感受到公司的关怀与温暖。未来，VGRID Power团队将以更加饱满的热情、更加昂扬的斗志投入到工作中，凝心聚力、携手前行，共同推动公司在储能领域持续创新发展，为全球绿色能源事业贡献力量。 —————————————————————————————— 关于中腾数能 深圳中腾数能科技有限公司（VGRID Power）是一家专注于储能技术创新与全球能源数字化解决方案的高新技术企业，致力于为工商业及电站级客户提供安全、高效、智能的全场景储能产品与服务。 官网：www.vgridpower.com 关键词：中腾数能、VGRID Power、团建活动、企业文化、团队建设 # Power Electronics Engineer (PCS) Own the power stage and topology design of storage converters, from prototype to mass production. Responsibilities Design power stage, topology and control loops for 50–500 kW storage converters Lead prototype bring-up, EMC and thermal validation Work with production to drive new-product introduction Requirements BSc or above in power electronics, automation or related Familiar with three-level topologies, PWM modulation and magnetics design Mass-production experience with storage or PV converters preferred # Mobile Energy Storage Vehicle Solution All-in-one mobile energy fortress, flexibly supporting power guarantee, emergency response, and temporary loads, plug and play. Solution Overview With vehicle-mounted integrated energy storage and converter equipment, it provides rapidly deployable mobile power to support power assurance, emergency response, and temporary loads. Key Points All-capable mobile energy fortress, plug and play Vehicle-mounted PCS can be grid-connected or off-grid No civil works required, multi-vehicle parallel capacity expansion Supports power assurance, emergency response, and temporary loads Applicable Scenarios and Challenges Large events, emergency repairs, and disaster areas lack flexible power sources; fixed power stations are slow to build and difficult to relocate. VGRID System Composition **Power Conversion System (PCS)**: Vehicle-mounted bidirectional conversion, supporting both grid-connected and off-grid operation. **Static Transfer Switch (STS)**: Grid-connected/off-grid switching, rapid load connection. **Battery Energy Storage System (BESS)**: Automotive-grade batteries, high safety, transportable. **Energy Management System (EMS)**: Vehicle-mounted monitoring and scheduling, remotely visible. **Microgrid Power Switchgear (MPS)**: Integrated into the vehicle-mounted all-in-one cabinet, plug and play. Core Value Rapid deployment, plug and play Multiple scenarios for power assurance/emergency/temporary use Replaces diesel emergency vehicles, cleaner Multi-vehicle parallel capacity expansion Typical Applications Suitable for power assurance for major events, power grid emergency repairs, power supply in disaster areas, and temporary construction sites. Delivery and Support VGRID POWER (VGRID) provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote operation and maintenance. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: Can the mobile energy storage vehicle connect to the grid and feed power in?** Yes. The onboard PCS can connect to the grid to provide short-term support for the distribution area, and can also operate off-grid to supply power on site. **Q: Is transportation and deployment convenient?** Integrated vehicle-mounted cabinet, plug-and-play upon arrival, no civil works required, and multiple vehicles can be paralleled for capacity expansion. **Q: How long can it typically supply power on a full charge?** Depending on capacity and load, it commonly supports temporary loads for several hours to several days. **Q: Can it drive motor-type equipment?** Yes, the PCS supports inductive load startup and seamless switching between grid-connected and off-grid modes. # PV-Storage-Diesel AC/DC Coupled Microgrid Solution Photovoltaic + diesel generator + energy storage + grid industrial and commercial AC/DC hybrid microgrid, balancing economy and resilience. Solution Overview For industrial and commercial parks with an existing grid but high volatility, the AC/DC coupled architecture flexibly integrates PV, diesel generators, energy storage, and the main grid. Key Points PV and batteries are directly connected on the DC side, reducing conversion for high efficiency Easy multi-port expansion Both cost-effectiveness and resilience Phased retrofit without affecting the existing power distribution Applicable Scenarios and Challenges Single grid-connected power supply is affected by electricity prices and curtailment; pure off-grid is costly. It is necessary to balance cost-effectiveness and uninterrupted power resilience. VGRID System Composition **Power Conversion System (PCS)**: The core of AC/DC coupling, enabling unified dispatch of multiple sources. **Static Transfer Switch (STS)**: Seamless grid-connected/off-grid switching to protect critical loads. **Battery Energy Storage System (BESS)**: Multi-timescale support, combining arbitrage and backup power. **Energy Management System (EMS)**: Optimizes based on electricity prices, load, and carbon targets. **Microgrid Power Switchgear (MPS)**: AC/DC coupling cabinet with integrated multi-ports. Core Value Both cost-effectiveness and resilience Multi-energy complementarity, maximizing green power Uninterrupted power for critical loads Can be built in phases according to the park Typical Applications Suitable for industrial parks, bonded zones, and industrial and commercial clusters requiring highly reliable power supply. Delivery and Support VGRID POWER (VGRID) provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote O&M. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: What is the difference between AC/DC coupling and pure AC coupling?** AC/DC coupling connects PV and batteries directly on the DC side, reducing conversion stages, improving efficiency, and facilitating multi-port expansion. **Q: Is retrofitting an existing campus complicated?** MPS/PCS supports nearby grid-connection point access and phased construction without affecting the existing power distribution. **Q: What campus size is AC/DC coupling suitable for?** It is suitable for commercial and industrial campuses ranging from hundreds of kW to several MW. **Q: What is the role of diesel in a coupled system?** It serves as backup and peak shaving, with the EMS optimizing its minimum operating duration. # VSG grid-forming solution for hydro, diesel, and solar power VSG grid-forming solar-storage solution provides grid-formable green and reliable power supply for remote areas. Solution Overview In weak grid or isolated grid areas, grid-forming (VSG) PCS enables solar-plus-storage to provide voltage and frequency support to the system just like a synchronous machine. Key Points VSG grid-forming: PCS emulates a synchronous machine Active voltage and frequency support for weak grids Enhances renewable energy hosting capacity and reduces disconnection Supports black start, enhancing resilience Applicable Scenarios and Challenges Remote areas relying solely on hydropower/diesel generators have low system inertia and unstable voltage and frequency; after renewable energy integration, they are prone to oscillation and disconnection. VGRID System Composition **Power Conversion System (PCS)**: VSG grid-forming PCS, emulating synchronous machine inertia and actively supporting voltage and frequency. **Static Transfer Switch (STS)**: Seamless grid-connected/off-grid switching, black start support. **Battery Energy Storage System (BESS)**: Provides inertia and primary frequency regulation, smoothing fluctuations. **Energy Management System (EMS)**: Coordinates hydro/diesel/solar/storage output to maintain system stability. **Microgrid Power Switchgear (MPS)**: Grid-forming-class AC switchgear, integrating protection and synchronization. Core Value Enhances system inertia and stability Renewable-friendly integration, reducing disconnection Reduces diesel generator start/stop and fuel consumption Supports black start, enhancing resilience Typical Applications Suitable for grid-forming power supply in mountainous small hydropower, border weak grids, and off-grid communities. Delivery and Support VGRID POWER provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote O&M. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: What is VSG grid-forming?** Virtual synchronous machine technology enables energy storage converters to emulate generator inertia and damping, actively supporting the grid rather than merely following it. **Q: Why do weak grid areas need grid-forming?** Weak grids have low inertia, and grid-following devices are prone to instability; grid-forming can establish voltage and frequency independently, enhancing renewable energy hosting capacity. **Q: What is the cost difference between VSG and conventional PCS?** VSG is a control strategy upgrade with similar hardware, offering high cost-effectiveness. **Q: Can old hydro/diesel generator units be reused?** Yes, VSG can easily coordinate in parallel with existing hydro turbines and diesel engines. # Middle East Villa Energy Storage Solution Deliver stable and reliable power protection for luxury residences and commercial villas, addressing grid fluctuations and outages. Solution Overview For villas and high-end residences in high-temperature, high-solar-irradiance regions of the Middle East, providing stable and reliable residential solar-plus-storage solutions. Key Points Stable power supply for villas/commercial residences in high temperatures High-temperature-adapted battery cells + thermal management/fire protection design STS seamless switching, air conditioning without interruption Addressing power outages and electricity price fluctuations Applicable Scenarios and Challenges High temperatures lead to high air conditioning loads, grid fluctuations and occasional power outages affect comfort and safety; diesel backup is costly and offers a poor experience. VGRID System Composition **Power Conversion System (PCS)**: High-efficiency bidirectional conversion, supporting PV and battery coordination. **Static Transfer Switch (STS)**: Seamless switching between grid and microgrid, ensuring uninterrupted power for the entire home. **Battery Energy Storage System (BESS)**: High-temperature-adapted battery cells, long lifespan, safe. **Energy Management System (EMS)**: Scheduling based on electricity usage habits, prioritizing green power and backup power. **Microgrid Power Switchgear (MPS)**: Residential-grade AC cabinet, blending into the building's appearance. Core Value Seamless switching during power outages, uninterrupted power for the entire home Stable operation in high-temperature environments Reduced diesel and electricity costs Enhanced residential comfort and asset value Typical Applications Suitable for villas, estates and commercial residential communities in Gulf countries. Delivery and Support VGRID POWER (VGRID) provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote O&M. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: Is the battery safe in high-temperature environments?** It uses high-temperature-adapted cells with thermal management/fire protection design; the MPS features over-temperature protection and isolation. **Q: Can it run the central air conditioning during a power outage?** Yes. The PCS capacity is configured according to the whole-home load, and the STS switches seamlessly, so the air conditioning is not interrupted. **Q: What size energy storage is typically configured for a villa?** It is configured according to the all-day load and backup duration, commonly at the tens of kWh level. **Q: How does it work with photovoltaics?** The PCS prioritizes consuming rooftop photovoltaic power, stores surplus power, and seamlessly switches to off-grid during a power outage. # Small and medium-sized factory energy storage solutions Using core solutions such as SP250HAG2T / SP500HCG2, build factory-level solar-storage microgrids and demand management. Solution Overview For small and medium-sized manufacturing enterprises, we provide standardized, phased small and medium-sized factory PV-storage microgrid and demand management solutions. Key Points Factory-level PV-storage microgrid and demand management SP series flexibly configured by capacity Demand management reduces basic electricity charges Phased investment with rolling returns Application Scenarios and Challenges High electricity costs as a proportion of total costs and large demand fluctuations; grid fluctuations easily cause equipment downtime and defective products; limited budgets require rapid returns. VGRID System Composition **Power Conversion System (PCS)**: SP250HAG2T / SP500HCG2 and other models support power conversion for small and medium-capacity factories. **Static Transfer Switch (STS)**: Protection and switching at the grid connection point. **Battery Energy Storage System (BESS)**: Peak shaving and valley filling, and short-term backup power. **Energy Management System (EMS)**: Demand forecasting and strategy optimization to reduce basic electricity charges. **Microgrid Power Switchgear (MPS)**: Factory-level AC cabinet with integrated metering. Core Value Dual reduction in electricity charges and demand charges More stable power supply, reducing downtime and defective products Standardized solution with fast delivery and clear returns Phased capacity expansion in line with production Typical Applications Suitable for small and medium-sized manufacturing factories such as injection molding, hardware, food, and textiles. Delivery and Support VGRID POWER (VGRID) provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote operation and maintenance. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: How can small and medium-sized factories get started with limited budgets?** A phased approach can be adopted: start with demand management, then expand to solar and energy storage, and reinvest based on returns. **Q: Can standard models meet customization needs?** The SP series covers common small and medium capacities, while MPS/EMS can be configured according to processes and transformer capacity. **Q: Roughly how much load can one system cover?** Configured according to transformer capacity, commonly at the hundreds of kW level, covering the peak and off-peak periods of the main production line. **Q: Which loads can KMU protect during a power outage?** EMS prioritizes critical processes and security loads, while non-critical loads can be switched off. # Photovoltaic local consumption and storage configuration solution Smooth out distribution transformer impact and curtailment during high photovoltaic output, improve self-consumption rate and revenue. Solution Overview For industrial and commercial rooftops and parks with existing or newly built distributed PV, paired with energy storage to increase PV self-consumption and reduce curtailment. Key Points PV + storage improves self-consumption rate and revenue Smooths PV fluctuations and protects transformers Reduces curtailment and power factor adjustment penalties Demand management and peak shaving Applicable Scenarios and Challenges When PV output is high, local consumption is insufficient, and reverse power flow causes transformer impact, output curtailment, and power factor adjustment penalties; at night with no PV, electricity still needs to be purchased. VGRID System Composition **Power Conversion System (PCS)**: Enables coordinated conversion between PV and batteries, smoothing output. **Static Transfer Switch (STS)**: Protection switching at the grid connection point. **Battery Energy Storage System (BESS)**: Stores solar energy at noon and discharges in the evening, increasing self-consumption. **Energy Management System (EMS)**: Optimizes charging and discharging based on PV output and load forecasts. **Microgrid Power Switchgear (MPS)**: Rooftop/park-level AC switchgear. Core Value Increased self-consumption rate and lower electricity bills Reduced curtailment and reverse power flow impact Lower power factor adjustment and capacity fees Improved PV project revenue Typical Applications Suitable for distributed PV with storage at factory rooftops, logistics parks, and commercial complexes. Delivery and Support VGRID POWER (VGRID) provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote O&M. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: Where do the main benefits of PV-plus-storage come from?** They come from improving self-consumption (buying less peak electricity), reducing curtailment and power factor penalties, and demand management. **Q: What if the roof load capacity is insufficient?** Ground cabinets or modular layouts can be used, and the PCS/MPS supports phased connection. **Q: How large is the storage typically configured for PV-plus-storage?** It is configured according to the installed capacity and the self-consumption gap, commonly at a ratio of 10–30% of installed capacity. **Q: Can it be stacked with peak-valley arbitrage?** Yes, the same system handles both self-consumption improvement and peak-valley arbitrage, with unified scheduling by the EMS. # Embedded Software Engineer (EMS / control) Build embedded software for microgrid EMS and PCS controllers, plus on-site commissioning. Responsibilities Develop embedded control software (C/C++) for PCS, STS and EMS Implement on/off-grid transfer, VSG and multi-unit paralleling logic Support commissioning on overseas sites Requirements Familiar with RTOS, CAN/Modbus and power-electronics control Storage or industrial-control background preferred Strong cross-team communication # Peak-valley arbitrage energy storage solution Empower commercial and industrial energy storage "peak-valley arbitrage" with core PCS, charge during valley hours and discharge during peak hours, significantly reducing electricity costs. Solution Overview For industrial and commercial users subject to time-of-use electricity pricing, energy storage enables peak-valley arbitrage through "charging at low prices and discharging at high prices," reducing overall electricity costs. Key Points Peak-valley arbitrage: charge during valley periods, discharge during peak periods High cycle efficiency PCS Long-life battery cells support two charge-discharge cycles per day Reduce energy charges and demand charges Applicable Scenarios and Challenges High peak electricity prices and high demand charges result in electricity costs accounting for a large proportion of operating costs; significant room exists for optimizing demand charges and power factor adjustment charges. VGRID System Composition **Power Conversion System (PCS)**: High-efficiency bidirectional conversion, ensuring high cycle efficiency and grid-friendly operation. **Static Transfer Switch (STS)**: Protection switching at the grid connection point, ensuring safe isolation. **Battery Energy Storage System (BESS)**: Long-life battery cells, supporting two charge-discharge cycles per day. **Energy Management System (EMS)**: Develops charge-discharge strategies based on electricity price curves and demand forecasts. **Microgrid Power Station (MPS)**: Factory-level AC cabinet, integrating metering and fire protection interfaces. Core Value Significant reduction in energy charges Demand management reduces demand charges Participate in demand response for additional revenue Clear and measurable investment payback period Typical Applications Suitable for industrial and commercial users with large load fluctuations, such as manufacturing, industrial parks, cold chain, and data centers. Delivery and Support VGRID POWER provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote operation and maintenance. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: What mainly determines peak-valley arbitrage revenue?** The peak-valley price spread, cycle efficiency, and the local electricity pricing mechanism; the larger the spread and the more charge-discharge cycles, the higher the revenue. **Q: Is the energy storage system lifespan sufficient?** Long-life battery cells are used together with EMS optimization of charge-discharge depth to ensure many years of economic cycling. **Q: How many times can it charge and discharge per day?** Typically two charges and two discharges, determined by the price spread and the EMS strategy. **Q: Is new power distribution required?** It is usually connected nearby to the grid-connection point, with integrated MPS/PCS, requiring minimal modification. # Distribution area energy storage voltage management solution Eliminate high/low terminal voltage and three-phase imbalance in rural areas, improve voltage qualification rate, and accelerate local PV consumption. Solution Overview To address end-of-line voltage violations, three-phase imbalance, and low voltage issues in rural and suburban distribution areas, grid-connected energy storage is used for active voltage management. Key Points Energy storage manages end-of-line voltage and three-phase imbalance Second-level active and reactive power support, no new lines required PV can be fully connected to the grid after management Improves voltage qualification rate in distribution areas Applicable Scenarios and Challenges Long end-of-line circuits and dispersed loads, with high/low voltage and three-phase imbalance causing equipment shutdown, PV curtailment, and damage to household appliances. VGRID System Composition **Power Conversion System (PCS)**: As a grid-connected converter, it rapidly absorbs/emits reactive and active power to regulate node voltage. **Static Transfer Switch (STS)**: Serves as grid-connection point protection switching, isolated during maintenance. **Battery Energy Storage System (BESS)**: Provides active power support and short-term power buffering to smooth fluctuations. **Energy Management System (EMS)**: Controls charging and discharging based on voltage thresholds and three-phase imbalance rate strategies. **Microgrid Power Station (MPS)**: Distribution-area-level AC cabinet integrating metering and protection. Core Value Significantly improved voltage qualification rate Improved three-phase imbalance, reducing line losses and equipment damage Releases transformer and line capacity, accelerating PV integration No large-scale line renovation required, fast deployment Typical Applications Suitable for rural distribution areas, suburban end-of-line locations, and areas with concentrated distributed PV integration. Delivery and Support VGRID POWER provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote operation and maintenance. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: How is voltage management with energy storage different from traditional voltage regulation?** Energy storage can provide both active and reactive power support with second-level response, without the need to build new lines or replace transformers with larger ones. **Q: Will it affect the existing PV grid connection?** On the contrary, once the voltage is managed and compliant, PV can be connected to the grid at full capacity with reduced curtailment. **Q: Where is energy storage for a distribution transformer area typically installed?** Near the distribution transformer on the side where end-of-line voltage exceeds limits, local support is fastest. **Q: What about the investment and returns?** The cost is lower than building new lines or replacing transformers, and it pays back through reduced line losses and increased PV revenue. # Hotel PV-Diesel-Storage Microgrid Solution Provide stable, economical, and green power assurance for island and remote hotels, enhancing the guest experience. Solution Overview Provide PV-storage-diesel microgrids for island resorts, eco-hotels and remote camps, balancing stable power supply, cost and green image. Key Points Integrated PV-storage-diesel for stable power supply to island/remote hotels STS ensures seamless uninterruptible power for guest rooms BESS and low-noise design reduce diesel noise and emissions Payback period of about 3–5 years for island hotels with high electricity prices Applicable Scenarios and Challenges Island hotels rely on diesel, with high electricity prices, and noise and emissions affecting the experience; load is high during peak tourist seasons, and power supply reliability directly affects reputation. VGRID System Composition **Power Conversion System (PCS)**: Flexibly dispatches PV/diesel/storage to support air conditioning, lighting and kitchen appliance loads. **Static Transfer Switch (STS)**: Switches between grid/diesel generator and microgrid to ensure uninterruptible power for guest rooms. **Battery Energy Storage System (BESS)**: Peaks shaving and valley filling, smoothing evening peaks, reducing diesel generator operating hours. **Energy Management System (EMS)**: Dispatches based on occupancy rates and weather forecasts to maximize green power. **Microgrid Power Switchgear (MPS)**: Low-noise AC cabinet, suitable for hotel environments. Core Value Reduce diesel and electricity expenses Quiet and green, enhancing guest experience and brand Uninterruptible power for critical loads, avoiding negative reviews Visualized management, convenient for hotel operations Typical Applications Suitable for island resorts, eco-camps and remote scenic area hotels. Delivery and Support VGRID POWER (VGRID) provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote O&M. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: Will a hotel microgrid affect the guest experience?** No. STS seamless switching ensures uninterrupted power to guest rooms, while BESS and low-noise design reduce diesel noise and emissions. **Q: What is the approximate payback period?** Hotels on high-electricity-price islands typically recover the investment in 3–5 years, depending on diesel prices and solar resources. **Q: How does a hotel microgrid coordinate with the municipal grid?** It can operate grid-connected and prioritize solar power. During a power outage, the STS automatically switches to off-grid mode, with no noticeable impact on guests. **Q: Do existing diesel generators need to be removed?** No. They can be retained as a backup, and the EMS only starts them when solar/storage is insufficient. # Commercial and industrial PV-storage (off-grid) solution Suitable for commercial and industrial scenarios with grid-connection difficulties or off-grid power backup needs, the integrated PV and storage system ensures critical loads. Solution Overview For industrial and commercial customers facing grid connection difficulties, unstable grids, or requiring off-grid power backup, we provide an integrated PV and energy storage microgrid to safeguard production and critical loads. Key Points Integrated PV and storage, suitable for scenarios with grid connection difficulties or requiring power backup STS ensures seamless, uninterrupted power for critical loads Can serve as primary supply or backup, flexibly configured PCS power quality meets the requirements of inverters and PLCs Applicable Scenarios and Challenges In some regions, capacity expansion is restricted and grid connection cycles are long; or grid fluctuations/power rationing affect continuous production, and critical processes cannot tolerate power outages. VGRID System Composition **Power Conversion System (PCS)**: Enables unified conversion of PV, battery, and loads, supporting off-grid operation. **Static Transfer Switch (STS)**: Seamless switching between the main grid and microgrid, protecting automated production lines. **Battery Energy Storage System (BESS)**: Stores solar energy for supply security and smooths production load fluctuations. **Energy Management System (EMS)**: Dispatches according to production schedules, prioritizing green power and reducing demand charges. **Microgrid Power Switchgear (MPS)**: Factory-grade AC switchgear with integrated metering and protection. Core Value Overcome grid connection constraints and achieve rapid commissioning Uninterrupted power for critical loads, ensuring continuous production Green power for self-consumption, reducing electricity costs Modular deployment, scalable with production capacity Typical Applications Suitable for new industrial parks, border factories, data centers, and production lines with high power supply reliability requirements. Delivery and Support VGRID POWER provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote operations and maintenance. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: Can off-grid solar-plus-storage fully replace mains electricity?** For scenarios where grid connection is difficult or power supply must be guaranteed, it can serve as the main supply; typically a diesel generator is configured or a mains interface is retained as an extreme fallback. **Q: Are production line automation devices compatible?** The STS achieves seamless switching, and the power quality output by the PCS meets the requirements of inverters and PLCs. **Q: What size is typically configured for commercial and industrial off-grid solar-plus-storage?** Modular configuration based on critical load power and backup duration, ranging from hundreds of kW to MW level. **Q: How do grid-connected and off-grid modes switch?** The STS switches automatically at millisecond level, with no perceptible impact on loads; the EMS dispatches throughout the entire process. # Oilfield Oil Production Microgrid Solution Gobi oilfield solar-diesel-storage microgrid reduces diesel consumption and carbon emissions at remote well sites while enhancing power supply resilience. Solution Overview For remote oilfield well sites in gobi and desert areas, a microgrid is built with PV, energy storage and diesel generation to reduce energy consumption per ton of oil production and carbon emissions. Key Points PV-diesel-storage for gobi oilfields, reducing diesel fuel consumption and carbon emissions Explosion-proof design of AC cabinets, meeting oil and gas zone regulations BESS absorbs pumping unit regenerative energy and smooths impacts Enhances power supply resilience for remote oil production Applicable Scenarios and Challenges Well sites are scattered and the grid is absent, resulting in high diesel transportation and attendance costs; continuous oil production places extremely high demands on power supply continuity. VGRID System Composition **Power Conversion System (PCS)**: Compatible with cyclic impact loads such as pumping units (nodding donkeys), ensuring stable conversion. **Static Transfer Switch (STS)**: Switches between diesel generation and the microgrid to prevent power loss during pumping unit startup and shutdown. **Battery Energy Storage System (BESS)**: Absorbs regenerative energy from pumping units, smooths cyclic loads, and reduces diesel generation power. **Energy Management System (EMS)**: Dispatches according to well site conditions, maximizing PV self-consumption and reducing idle consumption. **Microgrid AC Cabinet (MPS)**: Explosion-proof AC cabinet, meeting safety regulations for oil and gas zones. Core Value Reduced diesel consumption and transportation costs Improved pumping continuity, reducing losses from well shutdowns Lower well site carbon emissions, aligning with energy companies' dual carbon goals Unmanned/minimally manned operation with remote O&M Typical Applications Suitable for off-grid or weak-grid power supply for desert oilfields, marginal well sites and gathering and transportation stations. Delivery and Support VGRID POWER (VGRID) provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote O&M. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: How is equipment safety ensured in oilfield areas?** The AC cabinet adopts an explosion-proof design, and the system features arc and leakage current protection, meeting explosion-proof standards for oil and gas areas. **Q: Will the periodic load of the pumping unit damage the battery?** The PCS and BESS work together to absorb regenerative energy and smooth impacts, while the EMS optimizes charging and discharging to extend battery life. **Q: How much diesel can an oilfield microgrid save?** After optimization based on sunlight and load, typical diesel savings are 30–60%, improving with better resources. **Q: Are the devices durable in sandy and high-temperature environments?** Core devices have high IP ratings and are resistant to sand and temperature drift, while remote EMS reduces on-site inspections. # Remote Farm Microgrid Solution Empower remote farms with solar-storage systems, ensuring a green and reliable supply of electricity for irrigation, processing, and daily life. Solution Overview For remote farms, ranches, and agricultural parks that are difficult for the grid to reach, we provide an integrated PV and storage microgrid to ensure power for irrigation, processing, and daily life. Key Points Integrated PV and storage ensures power for irrigation/processing/daily life PCS drives inductive loads such as water pumps, BESS supplements peak demand STS enables seamless switching when the grid arrives EMS automatically starts diesel backup during the dry season Applicable Scenarios and Challenges Irrigation and cold storage rely heavily on diesel or fuel generators, which are costly and noisy; extending the grid requires large investment and offers slow returns. VGRID System Composition **Power Conversion System (PCS)**: Supports direct PV supply and battery charging/discharging, drives water pumps and processing equipment. **Static Transfer Switch (STS)**: Switches between the main grid/diesel generator and the microgrid, ensuring uninterrupted power for the cold chain. **Battery Energy Storage System (BESS)**: Stores solar power during the day and discharges during peak water usage, smoothing irrigation loads. **Energy Management System (EMS)**: Schedules based on farming seasons and sunlight, prioritizing green power and reducing fuel costs. **Microgrid Power Switchgear (MPS)**: Corrosion-resistant AC cabinet, adapted to humid and fertilizer-laden farm environments. Core Value Lower energy costs for irrigation and processing More stable cold chain and drinking water supply Reduced diesel generator maintenance and noise Scalable with planting scale Typical Applications Suitable for plain farms, mountain tea plantations, livestock ranches, and primary agricultural product processing sites. Delivery and Support VGRID POWER (VGRID) provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote operations and maintenance. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: Can a farm microgrid drive high-power water pumps?** Yes. The PCS supports the startup of inductive loads such as water pumps, the BESS provides startup peaks, and the STS switches seamlessly when grid power arrives. **Q: How can irrigation be kept running on rainy or cloudy days?** The EMS prioritizes battery dispatch and, when necessary, automatically starts and stops the diesel generator as a backup to ensure critical irrigation windows. **Q: What size of area is a farm microgrid suitable for?** It is modularly configured based on irrigation power and daily load, suitable from a single well to an entire greenhouse area. **Q: Is battery life greatly affected by seasons?** The EMS optimizes charge-discharge depth and temperature management, and together with long-life battery cells, ensures stable operation for many years. # Africa Mining Microgrid Solutions Wind turbine + PV + diesel generator + energy storage multi-energy complementary off-grid microgrid ensures continuous production at the mine site and reduces diesel dependence. Solution Overview In response to the lack of grid power in remote mining areas in Africa, an off-grid AC-coupled microgrid is built with wind turbines, PV, diesel generators and energy storage to ensure continuous production of mining and processing operations. Key Points Wind/PV/diesel/storage multi-energy complementarity, designed specifically for off-grid mine sites PCS multi-unit parallel operation supports high-power loads of crushing and hoisting BESS smooths start-stop impacts and provides black start Significantly reduces diesel costs and carbon emissions Applicable Scenarios and Challenges Mine sites are far from the grid, with long diesel transportation distances, high costs and unstable supply, resulting in huge production loss; carbon emissions and ESG pressure are rising. VGRID System Composition **Power Conversion System (PCS)**: Multi-unit parallel operation supports large-capacity loads, enabling unified conversion and dispatch of wind/PV/diesel/storage. **Static Transfer Switch (STS)**: Fast switching between diesel generators and the microgrid, avoiding start-stop impacts of large equipment. **Battery Energy Storage System (BESS)**: Provides high-power frequency regulation and peak support, smoothing impact loads such as mining truck charging. **Energy Management System (EMS)**: Based on production scheduling and economic dispatch, prioritizes consumption of wind and PV, and starts/stops diesel generators as appropriate. **Microgrid AC Cabinet (MPS)**: Mining-grade protection and AC distribution, adapting to dust, vibration and high-temperature environments. Core Value Reduces diesel consumption by 30–50%, cutting long-distance transportation costs Improves power supply continuity, reducing production loss Meets mining ESG and carbon reduction requirements Can be expanded as production capacity grows Typical Applications Suitable for off-grid power supply and capacity expansion support for gold mines, copper mines and stone quarries. Delivery and Support VGRID POWER (VGRID) provides integrated delivery from site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote O&M. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: Can the mining microgrid support large crushing and hoisting equipment?** Yes. The PCS supports multi-unit parallel connection and high-power output, the BESS provides peak shaving and frequency regulation, and the STS isolates startup and shutdown impacts. **Q: How can the risk of power outages at the mine site be controlled?** The EMS monitors in real time, the diesel generator serves as a backup power source, and BESS black start ensures critical loads are restored first. **Q: How should wind power and photovoltaic power be proportioned in the mining area?** Optimize according to resources and load curves. The EMS prioritizes the consumption of wind and solar power, and diesel is started only under extreme conditions or when resources are lacking. **Q: The mining area has a harsh environment. How reliable is the equipment?** The core cabinets have a high protection rating and adapt to dust and temperature changes. The modular design facilitates rapid on-site replacement. # Africa Village Microgrid Solution The solar-diesel-storage hybrid microgrid provides stable, economical, and green electricity for villages without power, supporting basic education and healthcare services. Solution Overview Build solar-diesel-storage hybrid microgrids for villages in Sub-Saharan Africa and other areas with no electricity or extremely weak power supply, giving villagers access to stable, economical, and green electricity. Key Points PV/diesel/storage hybrid, designed specifically for villages without electricity EMS remote monitoring, with automatic start/stop of diesel generators as backup Stable power supply for village schools, clinics, and households Lower cost and cleaner than pure diesel power supply Applicable Scenarios and Challenges Villages have long been without electricity or rely only on small diesel generators for intermittent power supply. Electricity for education, healthcare, lighting, and processing is difficult to guarantee, and the cost of electricity is high. VGRID System Composition **Power Conversion System (PCS)**: Supports parallel operation of PV and diesel generators, flexibly controls charging and discharging, and adapts to village load fluctuations. **Static Transfer Switch (STS)**: Seamlessly switches when the main grid occasionally arrives or diesel generators start/stop, ensuring village public loads. **Battery Energy Storage System (BESS)**: Stores solar energy during the day and supplies power at night, smoothing day-night and weather fluctuations. **Energy Management System (EMS)**: Schedules according to village routines and load curves, extending battery life and reducing diesel consumption. **Microgrid Power Switchgear (MPS)**: Integrated AC cabinet with dust-proof and insect-proof design, adapted to Africa's outdoor environment. Core Value Ends the history of no electricity, supporting schools, clinics, and farmers' production More economical and cleaner than pure diesel generators Remote monitoring and O&M, reducing on-site manpower Can be expanded in phases according to village scale Typical Applications Suitable for centralized power supply for villages in Sub-Saharan Africa, border settlements, and agricultural cooperatives. Delivery and Support VGRID POWER provides integrated delivery from on-site assessment, system design, core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote O&M. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: Is O&M of a village microgrid difficult?** The system is remotely monitored by EMS, with faults predictable; core equipment is modular, and on-site replacement only requires a basic electrician. **Q: How is billing handled for villages without a grid?** Public metering points or household prepaid meters can be configured, selling electricity under a village operator model, flexibly adapting to off-grid communities. **Q: What if solar power is insufficient or there are consecutive rainy days?** EMS automatically dispatches diesel generators as backup, while energy storage smooths fluctuations, ensuring basic daily electricity is not interrupted. **Q: What is the approximate investment for a single village, and how is the payback?** Modular configuration is based on the number of households and load. Compared with pure diesel, long-term fuel expenditure can be significantly reduced, and payback improves with diesel prices. # Island Microgrid Solutions Build 24-hour stable green power supply with solar, storage, and diesel, replacing high-cost diesel generator sets, covering remote islands in Southeast Asia and Africa. Solution Overview For remote islands in Southeast Asia, Africa, and the Pacific, a PV-storage-diesel microgrid is built with solar, diesel/gas power generation, and energy storage to replace high-cost, high-emission diesel generators and provide 24-hour stable green power. Key Points Diesel replacement rate can reach 60–80%, significantly reducing fuel and O&M costs Static transfer switch (STS) enables <10ms millisecond-level grid-connected/off-grid switching Integrated core equipment: PCS / STS / BESS / EMS / MPS Provides 24/7 stable green off-grid power supply, supporting black start and frequency regulation Application Scenarios and Challenges Island grids are isolated, fuel transportation costs are high, diesel generator O&M is difficult, and emissions are significant; load fluctuations are obvious during peak tourism seasons, and power supply reliability requirements are high. VGRID System Composition **Power Conversion System (PCS)**: As the core of AC/DC coupling, it enables PV MPPT, battery charging and discharging, and seamless parallel operation with diesel generators. **Static Transfer Switch (STS)**: Provides millisecond-level switching between the utility/diesel generator and the microgrid, ensuring uninterrupted power for critical loads such as hotels, communications, and medical facilities. **Battery Energy Storage System (BESS)**: Smooths PV fluctuations, performs peak shaving and valley filling, and provides off-grid black start and frequency regulation support. **Energy Management System (EMS)**: Dispatches solar/diesel/storage based on load and irradiance forecasts to maximize the green power ratio and minimize fuel consumption. **Microgrid AC Panel (MPS)**: Integrates combiner, protection, and AC distribution, simplifying assembly and O&M on island sites. Core Value Diesel replacement rate can reach 60–80%, significantly reducing fuel and O&M costs Increased green power ratio, meeting the requirements of island eco-tourism and carbon emission reduction Seamless switching ensures critical loads such as tourism, communications, and medical facilities Modular deployment enables smooth capacity expansion according to island needs Typical Applications Already applied on multiple remote islands in Southeast Asia and Africa, covering power supply for villages and towns, resorts, and communication base stations. Delivery and Support VGRID POWER (VGRID) provides integrated delivery from site assessment, system design, and core equipment manufacturing (PCS/STS/BESS/MPS) to commissioning and remote O&M. Welcome to contact us for customized solutions and quotations. ### FAQ **Q: Can an island microgrid completely eliminate diesel generators?** On high-sunshine islands with sufficient solar and storage configuration, diesel usage can be significantly reduced, but most projects retain diesel/gas as backup for extreme weather, with a typical diesel substitution rate of 60–80%. **Q: How is power supply for critical loads ensured in off-grid situations?** Millisecond-level grid-connected/off-grid switching is achieved through a static transfer switch (STS), with black start and frequency regulation support provided by the BESS. **Q: What capacity do VGRID POWER's island microgrids typically have?** Modular configurations range from a few hundred kW for villages/base stations to several MW for resort islands, determined by load and resource assessment. **Q: How long does island project deployment typically take?** Standard modular solutions can be assembled quickly on site, typically commissioned within weeks to months, with remote EMS reducing the need for long-term on-site O&M. # Global microgrid outlook 2026: PCS demand keeps climbing C&I storage and off-grid microgrids advance together, making standard PCS/STS delivery the key. With rising power-price volatility and a stronger focus on reliability, global microgrid installations keep growing in 2026. Commercial & industrial storage and remote off-grid projects are the two main growth curves. What it means for supply chains Standardised, fast-delivery PCS and STS units have become critical for EPC selection. Suppliers who shorten lead times and ship complete certification packs win more overseas orders. C&I storage: peak shaving and demand management Off-grid: solar-storage-diesel hybrid, weak-grid support Standard cabinets and pre-certification as a delivery trend # How to Read a PCS Specification Sheet (Energy Storage Converter Datasheet) Item-by-item breakdown of an energy storage converter datasheet: rated power, on-grid/off-grid switching time, number of MPPT channels, efficiency, ingress protection rating, and the certificates that should be requested. When selecting an energy storage converter (PCS), the specification sheet is the most critical basis for comparison. The following fields must be clearly understood. Rated Power and Overload Look at continuous power and short-time overload capability (such as 110% long-term, 150% for seconds) to match load peaks. Grid-Tied/Off-Grid Switching Time Switching time <10ms is required to ensure critical loads are not interrupted; off-grid scenarios require confirmation of black start capability. Efficiency and MPPT Maximum efficiency (often 98%+) and European efficiency reflect losses; multiple MPPT channels are beneficial for strings with multiple orientations. Protection and Certifications Confirm IP rating and operating temperature range, and request certificates such as CE, IEC 62109, UN38.3, etc. Key Points Grid-tied/off-grid switching time <10ms protects critical loads Maximum efficiency often 98%+, look at European efficiency Multiple MPPT channels adapt to multiple orientations Request CE / IEC 62109 / UN38.3 certificates # Overseas Sales Manager (Middle East / Africa / SE Asia) Own regional market development, channel building and EPC account management. Responsibilities Develop and manage EPC, distributor and integrator accounts in the region Handle quotations, tenders and contract negotiation Gather market and competitor intelligence and feed product needs back Requirements Fluent English; Arabic or French a plus Overseas sales experience in power electronics or renewables Willing to travel internationally for extended periods # What the new grid code means for PCS selection Stricter LVRT, primary frequency response and harmonic limits — check them when choosing a PCS. The updated grid code raises the bar for the grid-support capability of storage converters. Low-voltage ride-through, primary frequency response and harmonic limits have all been revised. Selection advice When sourcing a PCS, verify the LVRT curve, frequency response time and THDi figures, and request third-party test reports. LVRT: longer zero-voltage ride-through Primary frequency response: faster reaction Grid harmonics: tighter THDi limits # Supply Chain Specialist (procurement / planning) Own material procurement, supplier management and production-planning coordination. Responsibilities Procurement and lead-time management for key materials (IGBTs, cells, magnetics) Supplier development, audit and performance management Build and adjust production plans with production and sales Requirements BSc or above in supply chain, logistics or engineering Familiar with ERP and procurement, cost-conscious Detail-oriented and strong coordination skills # 2.4 MW off-grid solar-storage microgrid in Tamanrasset, Algeria Off-grid supply for a desert community cut diesel use by 78% and reached 99.6% availability. The site sits deep in the Sahara, where the legacy diesel generators were costly and unreliable. TradeGo delivered a 2.4 MWp PV + 6 MWh off-grid microgrid with 500 kW PCS units and an STS static transfer switch. Highlights Solar-storage-diesel coordination for maximum PV use STS transfers between sources within 20 ms Remote monitoring and predictive maintenance After commissioning, diesel use fell 78% and availability rose to 99.6%. # LFP vs. NMC energy storage batteries: Which should microgrids choose? Analyze the differences between lithium iron phosphate (LFP) and nickel manganese cobalt (NMC) in terms of safety, cycle life, energy density, and temperature adaptability, and provide a selection comparison for microgrids. The choice of battery cells for an energy storage system directly determines safety and lifespan. Lithium iron phosphate (LFP) and nickel manganese cobalt (NMC) are the two mainstream options. Concise Conclusion For commercial and industrial applications and off-grid microgrids, **LFP** is preferred: it offers good thermal stability, long cycle life, and low cost; only consider **NMC** for scenarios with extremely high requirements for energy density and low-temperature performance. Item-by-Item Comparison **Safety** — LFP has a high thermal runaway temperature and is less prone to catching fire; NMC has high energy density but weaker thermal stability. **Cycle Life** — LFP typically 4,000–6,000 cycles; NMC about 2,000–3,000 cycles. **Energy Density** — NMC is higher and takes up less space; LFP is relatively bulky. **Temperature Adaptability** — NMC performs better in low-temperature discharge; LFP requires heating at low temperatures. Application Tips Containerized and commercial and industrial energy storage mainly use LFP; NMC can be evaluated for mobile platforms in extremely cold conditions or where weight is limited. Key Points LFP has good thermal stability and 4,000–6,000 cycles NMC has high energy density but weak thermal stability Commercial and industrial applications and off-grid systems prioritize LFP Consider NMC only for extremely cold conditions or weight-limited applications ### FAQ **Q: What are the core differences between LFP and NMC?** LFP offers good thermal stability, long cycle life, and low cost; NMC has high energy density but weaker thermal stability. **Q: Which should be chosen for commercial & industrial/off-grid microgrids?** LFP is preferred: safe, long-lasting, and low-cost; consider NMC only for extremely cold or weight-constrained scenarios. **Q: How much do their cycle lives differ?** LFP typically 4,000–6,000 cycles, NMC about 2,000–3,000 cycles. **Q: How to choose for low-temperature environments?** NMC performs better in low-temperature discharge; LFP requires heating at low temperatures, so evaluate NMC for extreme cold scenarios. # 1.2 MWh behind-the-meter storage in Wenzhou Industrial Park Two cycles a day save about ¥620k a year and cut peak demand by 22%. Manufacturers in the park face a wide peak-valley tariff gap. A 600 kW / 1.2 MWh behind-the-meter system now runs two cycles a day, executing peak-valley arbitrage automatically. Results Two charge/discharge cycles per day Peak demand reduced by 22% About ¥620k saved in annual energy bills The EMS ties into the park grid, enabling capacity expansion without downtime. # Energy storage converter (PCS) vs grid-tied inverter: how to select Compare energy storage converters (PCS) and grid-tied inverters in terms of grid-connected/off-grid capability, switching time, energy storage coupling method, and system role, and provide microgrid selection decision rules. In microgrid projects, power conversion systems (PCS) and grid-tied inverters are often confused. Both can convert DC power to AC power, but their system roles and capabilities differ significantly. Concise Conclusion When seamless on-grid/off-grid switching, DC/AC-coupled energy storage, and black-start capability are required, choose a **power conversion system (PCS)**; when only PV grid connection is needed and off-grid support is not involved, a **grid-tied inverter** is sufficient. Item-by-Item Comparison **On-grid/off-grid** — PCS supports dual on-grid/off-grid modes and seamless switching (<10ms); a grid-tied inverter operates only when the grid is present. **Energy storage coupling** — PCS can directly couple batteries on the DC or AC side; a grid-tied inverter usually does not include battery management. **Black start** — PCS has black-start capability and can establish initial voltage for a microgrid; a grid-tied inverter does not have this capability. **System role** — PCS is the core of microgrid energy dispatch; a grid-tied inverter is the interface for a generation unit. Application Tips For commercial and industrial peak shaving and valley filling and off-grid sites, prioritize PCS; for pure self-generation and self-consumption grid-tied projects, a grid-tied inverter can be used to reduce costs. Key Points PCS supports dual on-grid/off-grid modes, can couple energy storage, and has black start A grid-tied inverter operates only when the grid is present and does not include battery management Typical on-grid/off-grid switching is <10ms Select the type according to whether off-grid/energy storage is needed ### FAQ **Q: What are the core differences between a power conversion system (PCS) and a grid-tied inverter?** PCS supports both on-grid and off-grid modes, can couple with energy storage, and features black start; a grid-tied inverter only operates when the grid is present and does not include battery management. **Q: When should I choose a PCS instead of a grid-tied inverter?** Choose a PCS when off-grid/backup power, energy storage coupling, or black start is required; for pure self-consumption grid-tied applications, a grid-tied inverter can be chosen to reduce costs. **Q: How fast is the switching time of a PCS generally?** Typical on-grid/off-grid switching is <10ms, ensuring uninterrupted power for critical loads. **Q: Is there a big cost difference between the two?** A PCS costs more due to its off-grid and energy storage capabilities; for pure grid-tied scenarios, a grid-tied inverter is more economical. # 1.1 MWp PV-storage microgrid on a Maldives resort island Renewable share reached 68% and diesel use fell 64%. The resort island has a large day-night load swing and costly diesel generation. The project deploys 1.1 MWp of PV with 2.5 MWh of storage, hybrid inverters and an EMS. Results Renewable share of 68% Diesel use down 64% Payback of about 4.5 years # 第19届世界光储展SNEC 2026展位抢先看 展位图-SNEC SMART E 2026 第19届光储展.pdf点击如上连接下载公司战略发展规划，中腾微网(深圳)科技有限公司已于2026年5月21日更为为深圳中腾数能科技有限公司聚焦微电网解决方案和核心设备PCS和相关设备研产销服后续将以“中腾数能 VGRID”品牌名称服务广大客户 [展位图-SNEC SMART E 2026 第19届光储展.pdf 点击如上连接下载](/uploads/2026/09/news-2026snec-vgrid-file-1.pdf)[公司战略发展规划，中腾微网(深圳)科技有限公司已于2026年5月21日更为为深圳中腾数能科技有限公司聚焦微电网解决方案和核心设备PCS和相关设备研产销服 后续将以“中腾数能 VGRID”品牌名称服务广大客户](/uploads/2026/09/news-2026snec-vgrid-file-1.pdf) # 中腾微网（深圳）科技有限公司正式更名为“深圳中腾数能科技有限公司” 为适应公司战略发展需要，进一步提升品牌形象与核心竞争力，“中腾微网(深圳)科技有限公司”经工商行政管理部门核准，于2026年5月21日正式更名为“深圳中腾数能科技有限公司”。“中腾数能 VGRID”品牌定位：聚焦微电网解决方案和核心设备PCS等研发生产销售服务。此次更名是公司发展历程中的重要里程碑， 为适应公司战略发展需要，进一步提升品牌形象与核心竞争力，“中腾微网(深圳)科技有限公司”经工商行政管理部门核准，于2026年5月21日正式更名为“深圳中腾数能科技有限公司”。 “中腾数能 VGRID”品牌定位：聚焦微电网解决方案和核心设备PCS等研发生产销售服务。 此次更名是公司发展历程中的重要里程碑，标志着公司迈入了一个全新的发展阶段。公司所有法律主体资格、原有的债权债务关系均保持不变，由变更后的“深圳中腾数能科技有限公司”依法承继。原以“中腾微网(深圳)科技有限公司”名义签订的所有合同、订单及对账往来全部延续有效，无需重新签订合同，确保了业务合作的连续性与稳定性。 自2026年5月23日起，公司将全面启用新的企业名称开展对外经营活动。 此次更名不仅赋予了公司名称新的时代内涵，更体现了公司深耕行业、创新发展的坚定决心。 感谢广大客户、合作伙伴及社会各界长期以来给予的支持与信任。 未来，“深圳中腾数能科技有限公司”将继续秉承专业、优质的服务理念，携手各界同仁，共创辉煌未来！ 特此函告。 顺颂商祺！ **深圳中腾数能科技有限公司** **2026年5月22日** # 3 MW VSG storage supports a weak hydro-diesel grid Virtual synchronous machines add inertia, cutting frequency deviation by 41%. The regional grid is dominated by hydropower and leans on diesel in the dry season, with visible frequency swings. The project deploys 3 MW of grid-forming storage using virtual synchronous machine (VSG) control. Results Provides inertia and voltage support to a weak grid Frequency deviation down 41% Diesel start/stops down 70% # SNEC 2026 上海国际光伏展 | 中腾数能 诚挚邀您莅临 展馆5.1H ，展位D150 SNEC 2026 上海国际光伏展 | 中腾数能诚挚邀您莅临尊敬的各位行业伙伴、新老客户：第十九届 (2026) 国际太阳能光伏和智慧能源 & 储能及电池技术与装备 (上海) 大会暨展览会即将盛大启幕！深圳中腾数能科技有限公司已参展，诚邀您莅临展位参观交流、洽谈合作，一同探索光伏储能前沿技术，共拓绿 **SNEC 2026 上海国际光伏展 | 中腾数能诚挚邀您莅临 ** 尊敬的各位行业伙伴、新老客户： 第十九届 (2026) 国际太阳能光伏和智慧能源 & 储能及电池技术与装备 (上海) 大会暨展览会即将盛大启幕！ 深圳中腾数能科技有限公司已参展，诚邀您莅临展位参观交流、洽谈合作，一同探索光伏储能前沿技术，共拓绿色能源市场新未来。 展会信息 **展会时间**：2026 年 6 月 3 日 - 5 日 **展会地点**：国家会展中心（上海） **展位信息**：5.1H 馆 D150 # 贵州煤矿 2.5MW 储能项目：20 台中腾数能 SP125HCPS 并机，筑牢矿区电力安全防线 在贵州毕节金沙县的煤矿厂区，一套由20 台中腾数能 SP125HCPS 微网储能变流器组成的 2.5MW 储能系统已稳定投运。该项目以多机并联技术为核心，为矿区提供高效、可靠的电力支撑，成为工矿场景储能应用的标杆案例！一、硬核配置：20 台 125kW 并机，构建 2.5MW 大容量系统项目采用 2 在贵州毕节金沙县的煤矿厂区，一套由**20 台中腾数能 SP125HCPS 微网[储能变流器](https://vgridpower.com/PowerConversionSyste/)**组成的 2.5MW 储能系统已稳定投运。 该项目以多机并联技术为核心，为矿区提供高效、可靠的电力支撑，成为工矿场景储能应用的标杆案例！ 一、硬核配置：20 台 125kW 并机，构建 2.5MW 大容量系统 项目采用 20 台中腾数能 SP125HCPS [储能变流器](https://vgridpower.com/PowerConversionSyste/)，单台额定功率 125kW，总装机容量达 2.5MW。 依托成熟的多机并联技术，系统可实现多台设备同步协调运行，电流分配精准、环流抑制优异，完美适配矿区大功率、高冲击性的用电需求。 二、工况适配：专为煤矿场景定制的可靠保障 煤矿厂区对电力系统的稳定性、安全性有着严苛要求，SP125HCPS 系列从设计之初便针对性优化： **高过载与不平衡耐受**：支持 125% 长期过载、135% 短时过载，可承受 100% 三相不平衡工况，适配矿区复杂负载特性； **宽幅电压适配**：支持 680V-950V 电池电压范围，可适配梯次利用电池或专用储能电池，提升资源利用率； **高环境适应性**：IP20 防护等级（核心控制部分 IP5X）+ 智能风冷散热，可适应矿区多粉尘、温差大的环境； 三、价值落地：为矿区电力安全注入 “稳定芯” 项目投运后，将为矿区带来多重价值： **削峰填谷，降低用电成本**：利用峰谷电价差优化用电，减少基础电费支出； **应急备电，保障生产安全**：市电中断时快速供电，保障通风、排水等关键设备持续运行； **电网支撑，提升供电质量**：主动参与电压、频率调节，抑制负载波动带来的电能质量问题。 中腾数能 SP125HCPS 系列微网[储能变流器](https://vgridpower.com/PowerConversionSyste/)，以模块化设计、高可靠性能、优异的并机能力，为中小型工商业、工矿场景提供高效储能解决方案。 本次贵州煤矿项目的成功落地，再次验证了产品在复杂工况下的稳定性与适配性，为更多工矿企业的电力安全升级提供了可复制的标杆方案。 # 乔迁光明，聚力启航｜中腾数能开启发展新征程 尊敬的各位合作伙伴、新老朋友：步履不停，逐光而行！因业务高速拓展与战略升级需求，中腾微网（深圳）科技有限公司已于2026 年 2 月 24 日，正式从深圳西乡乔迁至深圳光明区，圆满完成生产办公基地的全面升级！此次乔迁，是公司发展历程中的重要里程碑，更是蓄力深耕新能源微电网领域的全新起点。从昔日 50 尊敬的各位合作伙伴、新老朋友： 步履不停，逐光而行！ 因业务高速拓展与战略升级需求，**中腾微网（深圳）科技有限公司**已于**2026 年 2 月 24 日**，正式从深圳西乡乔迁至深圳光明区，圆满完成生产办公基地的全面升级！ 此次乔迁，是公司发展历程中的重要里程碑，更是蓄力深耕新能源微电网领域的全新起点。 从昔日 500㎡**的研发办公空间，拓展至如今**3000㎡的现代化产业场地，空间的扩容，不仅是规模的跃升，更是实力的见证 —— 全新办公环境集研发创新、生产测试、商务协作于一体，布局科学、设施完善，为技术迭代、产品研发与高效办公筑牢根基，赋能企业高质量发展。 饮水思源，感恩同行！每一步成长，都离不开各位合作伙伴的信任与鼎力支持；每一次突破，都源于行业伙伴的携手与一路相伴。在此，中腾微网向所有新老朋友致以最诚挚的谢意！ 变的是办公坐标，不变的是初心与使命。未来，中腾微网将继续秉持 “让清洁能源应用到世界的每个角落” 的企业使命，以全新环境为新起点，以创新技术为核心动力，深耕微电网解决方案及核心设备[储能变流器](https://vgridpower.com/PowerConversionSyste/)（PCS）、能量管理系统（EMS）等核心产品研发，持续为全球客户提供优质的新能源微电网解决方案，与各界伙伴并肩前行，共创清洁能源产业新辉煌！ 新址地址：深圳市光明区玉塘街道玉律社区光侨大道 1028 号汇东晟工业园 3 栋 1001 欢迎各位新老朋友莅临指导！ 中腾微网（深圳）科技有限公司 深圳中腾数能科技有限公司 2026年2月24日 # 中腾微网深圳 诚邀您莅临SNEC 2025国际太阳能光伏展，解锁微电网储能硬实力 尊敬的行业同仁与合作伙伴：中腾微网诚挚邀请您莅临 SNEC PV+第十八届(2025)国际太阳能光伏与智慧能源大会暨展览会（2025年6月1日-6月3日），参观我司展位。作为微电网储能核心设备PCS领域的研产销一体化供应商，我们将展示领先的光柴储混合微电网技术及全球项目实践成果，期待与您共探能源未来 尊敬的行业同仁与合作伙伴： 中腾微网诚挚邀请您莅临 **SNEC PV+第十八届(2025)国际太阳能光伏与智慧能源大会暨展览会**（2025年6月1日-6月3日），参观我司展位。 作为微电网储能核心设备PCS领域的研产销一体化供应商，我们将展示领先的光柴储混合微电网技术及全球项目实践成果，期待与您共探能源未来。 **展馆：6.1H 馆 展位：A320 时间：2025年11-13日** 核心展示亮点 **全栈技术矩阵** **自主核心设备**：高性能PCS（[储能变流器](https://vgridpower.com/PowerConversionSyste/)）、MPPT控制器、STS静态切换开关； **灵活方案覆盖**：15kW至2MW级微电网定制化解决方案，满足多元化用电需求。 **20年硬核技术沉淀** 传承 **艾默生核心团队基因**，深耕电力电子领域超20年，拥有 **10年海外复杂场景项目经验**，技术适配极端环境与严苛标准。 **全球多场景验证** 产品成功应用于 **非洲、东南亚、中东、澳洲、欧洲** 等地区，为海岛离网、油田作业、别墅储能、移动应急供电等场景提供高可靠能源支持。 # 中腾微网深圳 SP30H系列混合逆变器强势登陆澳洲市场！喜获2025年澳洲并网认证 中腾微网（深圳）科技有限公司今日宣布，其自主研发的明星产品——SP30H系列混合变流器/逆变器，已于2025年4月15日正式取得澳大利亚严格的并网认证。这一重要里程碑标志着SP30H系列在性能、安全性与合规性方面已完全满足澳洲复杂电网的高标准要求，为进军广阔的澳洲户用及工商业储能市场铺平了道路。核心 **中腾微网（深圳）科技有限公司**今日宣布，其自主研发的明星产品——**SP30H系列混合变流器/逆变器**，已于**2025年4月15日正式取得澳大利亚严格的并网认证**。这一重要里程碑标志着SP30H系列在性能、安全性与合规性方面已完全满足澳洲复杂电网的高标准要求，为进军广阔的澳洲户用及工商业储能市场铺平了道路。 核心技术叠加权威认证，全球能源市场通行证升级 SP30H系列是中腾微网面向全球微电网及混合能源系统的核心拳头产品。此次成功获得**澳洲并网认证**，是对其卓越技术实力的又一次有力背书。在此之前，SP30H系列已接获多项国际主流认证，包括： **欧洲EN50549-1认证：** 确保在欧洲市场满足并网发电单元的严苛安全与电磁兼容要求。 **南非认证：** 适用于南非独特的电网环境和监管标准。 **波兰认证：** 成功进入东欧重要市场。 **“SP30H系列在短时间内密集获得多国关键认证，特别是本次澳洲认证的通过，充分验证了其卓越的全球适应性与技术领先性。”** 中腾微网研发负责人表示。**“这不仅仅是产品认证的突破，更是中腾微网‘全球化、高标准’战略的坚定实践，我们将为全球客户提供符合各地规范、安全可靠的顶级混合能源解决方案。”** 源自艾默生基因的深厚积淀，SP30H何以闪耀全球？ SP30H系列的成功并非偶然，其背后依托于中腾微网强大的技术基因： **核心团队优势：** 传承自**艾默生的核心电力电子团队**，拥有**超过20年的深厚技术积淀**与成熟的研发体系。 **实战经验加持：** 团队具备**10年以上丰富的海外复杂场景微电网项目经验**，深刻理解不同地域（包括非洲、东南亚、中东、澳洲、欧洲等）的电网特性和用户需求。 **全能性能表现：** SP30H作为高效“能量路由器”，完美集成PCS（[储能变流器](https://vgridpower.com/PowerConversionSyste/)）、MPPT控制器功能于一体，支持光伏、柴油发电机、储能电池等多种能源的**高效接入、智能管理与无缝切换（STS逻辑内化）**，是实现“光-柴-储”混合微电网的**核心大脑与动力源**。 赋能全场景应用，从家用到工业，从无电区到移动站 凭借其出色的灵活性、高可靠性和通过多国认证的安全性，SP30H系列混合逆变器/变流器可广泛应用于： **户用及别墅储能:** 提供离网/并离网切换自如、经济高效的绿色能源保障。 **海岛离网微电网:** 解决无电/弱电地区供电难题，实现能源自给自足。 **油田矿场等工业场景:** 提供稳定可靠的备用电源及节能减排方案。 **移动储能电源:** 为应急供电、特种作业等提供高集成度的移动能源解决方案。 **工商业储能:** 助力企业削峰填谷，降低用电成本，提升能源韧性。 结合公司提供的 **15kW-2MW全功率段微电网解决方案能力**，中腾微网可为合作伙伴提供核心的方案能力和可靠高性价比的产品，助力客户开拓海外市场。 展望：加速全球化，引领智慧能源未来 获得澳洲认证是SP30H系列全球化征途上的关键一步，也是中腾微网持续深耕国际市场的决心体现。公司将继续加大研发投入，拓展全球认证版图，深化本地化服务，以技术领先、品质卓越、认证齐全的产品组合，服务于全球蓬勃发展的智慧能源市场，让稳定、高效、绿色的电力无处不在。 # 2025春节放假春节放假通知 亲爱的合作伙伴:新春伊始，万象更新！中腾微网全体职工在此深深感谢您长期以来对我司的支持，新的一年里我司会更加努力为您提供更优质的服务!我司春节放假时间为:2025年1月19日-2月4日放假期间，如您遇到设备问题，我们技术人员将通过远程方式为提供及时的处理与支持，确保您的设备正常运行，最大程度减少影响 亲爱的合作伙伴: 新春伊始，万象更新！ 中腾微网全体职工在此深深感谢您长期以来对我司的支持，新的一年里我司会更加努力为您提供更优质的服务! 我司春节放假时间为:2025年1月19日-2月4日 放假期间，如您遇到设备问题，我们技术人员将通过远程方式为提供及时的处理与支持，确保您的设备正常运行，最大程度减少影响。 谨祝各位合作伙伴在新的一年里蛇年吉祥，生意兴隆，万事如意，幸福安康! 中腾微网(深圳)科技有限公司 2025-1-17 # 中腾微网（深圳）独立运营后取得ISO9001/1SO14001质量体系认证 SINOSOAR中腾微网中腾微网（深圳）科技有限公司是一家专注于储能系统PCS模块和光储备一体机研发、制造、销售和服务的高新技术企业。 为增强客户信心，公司开展独立运营后的ISO质量体系认证事宜，并顺利通过ISO9001/ISO14001质量体系认证。公司将持续坚持以客户为中心，以专业技术为核心，为 SINOSOAR中腾微网 中腾微网（深圳）科技有限公司是一家专注于储能系统PCS模块和光储备一体机研发、制造、销售和服务的高新技术企业。 为增强客户信心，公司开展独立运营后的ISO质量体系认证事宜，并顺利通过ISO9001/ISO14001质量体系认证。 公司将持续坚持以客户为中心，以专业技术为核心，为广大合作伙伴提供值得信赖的产品和服务。 公司将持续以市场需求为导向，为合作伙伴不断丰富产品认证。 # 青海油田直流母线储能项目交付 青海油田直流母线储能项目交付近期，中腾微网（深圳）与山东客户联合给中石油青海油田交付光储充项目，该项目采用直流母线方案，使用磷酸铁锂和液体电池2种电池做储能，采用华晟，隆基，晶科的光伏板各60kW加中腾自研的60kW MPPT模块,磷酸铁锂电池215kWH,液流电池100kWH与中腾自研的100kW 青海油田直流母线储能项目交付 近期，中腾微网（深圳）与山东客户联合给中石油青海油田交付光储充项目，该项目采用直流母线方案，使用磷酸铁锂和液体电池2种电池做储能，采用华晟，隆基，晶科的光伏板各60kW加中腾自研的60kW MPPT模块,磷酸铁锂电池215kWH,液流电池100kWH与中腾自研的100kW DCDC模块做直流母线稳压.优先使用光伏发的电，其次再使用液流电池的电，最后在使用铁锂电池的电。 EMS界面 现场安装情况 磷酸铁锂储能柜 MPPT和DCDC配电柜 **0****1****30kW混合逆变器** 30kW光储一体机主要针对中小型储能微电网开发的一款高效、高可靠储能逆变器，风道隔离，并离网切换装置，支持多台离网并联运行, 支持油机混动运行，支持并离网切换模式， 支持两路光伏MPPT模块接入。包含PCS,STS,MPPT,放逆流CT，支持上位机。虚拟同步机(VSG)，150%过载能力，无缝切换功能，油机混动模式，三相独立并网控制技术，三相独立并网控制技术 使用场景1： 油田风光柴储项目，30kW/100kWH~150kWH项目，使用30kW光储一体机加风机接入直流母线，使用280电芯配备100度~150度电芯，成本最优，采油机直接从负载端接入 使用场景2： **0****2****100kW系列风冷液冷变流器** 中腾微网自主研发的[储能变流器](https://vgridpower.com/PowerConversionSyste/)，专为微电网设计的并离网双向变换器，设备用于连接储能系统与交流电网，可由能源管理系统进行调度，或依据设定的参数进行电力的双向转换。 SP100H在交流侧可实现并网，同时可离网独立运行，特别设计的并网模式可与柴油发电机并机工作。 SP100H最具特色的优势是广泛支持并离网模式下运行。设备保护等级高、温度范围广、过载能力强，可为微电网系统提供其必需的可靠的保护。SP100H智能化的负载管理和能源管理能力，使系统即使在危急时刻也能保持正常运行。 中腾微网（深圳）科技有限公司是一家专注于储能系统PCS模块和光储备一体机的研发、制造、销售和服务的 高新技术形企业。公司位于深圳市宝安区，公司核心团队源于艾默生，具有资深、专业、高效的团队组成。公 司聚焦于[储能变流器](https://vgridpower.com/PowerConversionSyste/)PCS模块和光储备一体机的研发和制造，为客户提供标准品和PCS系统解决方案。公司坚持 以客户为中心，以专业和服务为核心，提供客户值得信赖的产品和服务。 科技第一生产力 **01** **技术研发** 中腾微网（深圳）技术团队有多年以上的[储能变流器](https://vgridpower.com/PowerConversionSyste/)研发经验，公司团队源于艾默生核心研发成员，坚持IPD研发管理流程，聚焦微电网场景、 打造性能最好、标准化和模块化程度最高的产品，深度理解微电网场景， 全链条“交钥匙”整体解决方案 **02** **产品资质** 中腾微网（深圳）研发的储能变流器通过62116 61727 62477 62109 g99 61000-6 EN50549 CE CQC等认证，公司目前有实用新型专利15条，发明专利5条，外观专利3条。 **03** **业务覆盖** 中腾微网（深圳）储能变流器为中腾微网（北京）公司供应储能变流器，目前已经应用到全球范围，业务版图覆盖了东南亚、中亚、欧洲、太平洋地区、中南美洲和非洲。 质量保证******严格的测试标准**产品研发遵照IPD研发流程，严格的质量测试标准。性能、振动、盐雾、耐久性、极限测试为质量保驾护航。 完善的认证 热仿真，部件设计，EMC测试，性能测试，并网测试，为客户的储能系统到世界每个角落出行打下了坚实的基础。通过了IEC62116、IEC61727、G99、IEC62477、IEC62109、EN50549、CQC(待下证)等证书。 中腾微网（深圳）科技有限公司 中腾微网（深圳）科技有限公司 Sino Soar Hybrid (ShenZhen) Technology Co., Ltd. 深圳市宝安区西乡街道固戍社区西井路21号塘西智谷G栋501 501, Building G, Tangxi Zhigu, 21 Xijing Road, Gushu Community, Xixiang Street, Baoan District, Shenzhen +86 0755 23202574 info@vgridpower.com Power the World with Hybrid Energy # 中腾团建 | 中腾微网（深圳）惠州平安山漂流团建活动成功举办 新闻摘要：2024年8月23日，中腾微网深圳科技有限公司在惠州平安山成功举办了一次别开生面的漂流团建活动。此次活动以“激流勇进，团结奋进”为主题，旨在增强团队凝聚力、提升员工归属感和幸福感，活动内容丰富多彩，获得了全体员工的一致好评。在这个充满活力的8月，中腾微网深圳科技有限公司全体员工前往美丽的惠 **新闻摘要：** 2024年8月23日，中腾微网深圳科技有限公司在惠州平安山成功举办了一次别开生面的漂流团建活动。此次活动以“激流勇进，团结奋进”为主题，旨在增强团队凝聚力、提升员工归属感和幸福感，活动内容丰富多彩，获得了全体员工的一致好评。 在这个充满活力的8月，中腾微网深圳科技有限公司全体员工前往美丽的惠州平安山，开展了一次充满激情与欢乐的漂流团建活动。此次活动不仅让大家体验了漂流的刺激，更增强了团队的凝聚力和向心力。 **快乐出发，增进默契** 清晨，公司全体员工满怀期待地集合在公司门口，乘坐大巴前往惠州平安山。抵达目的地后，大家一起享受当地提特色客家菜肴，我们在平安山的山谷间进行了各种团队游戏。大家分组进行互动，参与“鼓动人心”、“破冰游戏”、“团队协作”等活动。这些游戏不仅增加了彼此的默契，更让大家在欢笑中深刻体会到了团队合作的重要性。 **驰骋激流，勇者无畏** 中午稍作休息后大家在专业教练的指导下，开始了激动人心的漂流之旅。湍急的河流、激荡的水花，大家在欢笑声中体验了一次次心跳加速的刺激冒险。 **美味共享，欢快时光** 日落时分，我们在山间搭起了烧烤架，开始了丰盛的烧烤午餐。大家分工合作，有的负责烤制美食，有的准备食材，有的提供音乐，营造氛围，整个过程充满了温馨与欢乐。美味的烤肉、香喷喷的烤鱼，还有各种新鲜的蔬菜和饮品，让人胃口大开，笑声不断。 **勇攀高峰，感受自然** 第二天早晨，大家自行组织徒步爬山等活动，远离城市的喧嚣，感受大自然。活动的最后每位员工都分享了自己在此次团建活动中的收获和感悟。大家纷纷表示，通过这次团建活动，进一步感受到了团队的力量和温暖，对未来的工作充满了信心和期待。 此次惠州平安山漂流团建活动，不仅让员工们在工作之余得到了放松，更增强了团队的凝聚力和向心力。未来，中腾微网将继续组织更多丰富多彩的活动，积极营造和谐、团结、奋进的企业文化氛围，与大家携手共进，共创辉煌！ 关于中腾微网深圳科技有限公司 中腾微网深圳科技有限公司致力于提供高效、智能、可靠的光伏逆变器以及解决方案，凭借领先的技术和优质的服务，赢得了国内外客户的广泛认可。未来，我们将继续秉持“创新、品质、服务”的理念，推动新能源行业的发展，助力绿色未来。 # 多能互补直流微电网及抽油机群控节能技术应用案例 多能互补直流微电网及抽油机群控节能技术来源：https://www.miit.gov.cn/jgsj/jns/nyjy/art/2024/art_9ada9b2b5c0d48deac9a16dcabad89b2.html《国家工业节能降碳技术应用指南与案例（2024年版）》之九：工业绿色微电网技术发 **多能互补直流微电网及抽油机群控节能技术****** 来源： [https://www.miit.gov.cn/jgsj/jns/nyjy/art/2024/art_9ada9b2b5c0d48deac9a16dcabad89b2.html](https://www.miit.gov.cn/jgsj/jns/nyjy/art/2024/art_9ada9b2b5c0d48deac9a16dcabad89b2.html) 《国家工业节能降碳技术应用指南与案例（2024年版）》之九：工业绿色微电网技术 发布时间：2024-05-31 10:18 来源：节能与综合利用司 **多能互补直流微电网及抽油机群控节能技术****应用案例****** 1. 技术适用范围 适用于油井、井场微电网。 2. 技术原理及工艺 采用以柔直配电为核心的新型分布式智能电网，实现“源网荷”协调优化运行，提高油田新能源消纳率、降低线路损耗。 通过电机功率动态跟踪调节，实现抽油机馈能共享。通过多台抽油机分时优化、协调群控，避免大电流峰值叠加，错峰填谷，将分散的变压器冗余容量集中共享，降低网电变压器和其他发电机组的供电容量，实现负荷动态均衡。 技术原理如图1所示。 3. 技术功能特性及指标 （1）多台抽油机分时优化协调群控，变压器总容量降低65%； （2）利用新能源降低机采系统电耗，系统节电效率可达20%~35%。 4. 4.应用案例 （1）项目基本情况：技术提供单位为中石大蓝天（青岛）石油技术有限公司，应用单位为东辛采油厂。改造前采用总容量为800千伏安的23台变压器供电，主要耗能种类为电力，年产油量22万吨，单位时间能耗为3992千瓦时/天。 （2）主要技术改造内容：安装光伏发电系统100千瓦、储能系统70千瓦时、风能5千瓦和油井直流群控系统，淘汰20台变压器。2020年4月实施节能改造，实施周期1年。 （3）节能降碳效果及投资回收期：改造完成后，单位时间能耗降低至3142千瓦时/天，但因全部采用绿电，无额外电力供应，可实现节能量355.6吨标准煤/年，二氧化碳减排量945.8吨/年。投资额为205.7万元，投资回收期为2.7年。 5. 中腾微网绿色微电网技术和微电网[储能变流器](https://vgridpower.com/PowerConversionSyste/)PCS简介 中腾微网积极相应国家工业节能降碳应用政策需要，聚焦与绿色微电网技术和工商业、工业微电网核心模块变流器PCS研发。 针对油田采油、偏远地区工业施工场景，研发了30KW/60KW光储一体变流器PCS模块，中腾微网在微电网技术上拥有十余年的国内外丰富案例和应用经验，拥有独特产品设计优势： (1) 中腾微网PCS变流器模块独特的风道隔离设计，可以有效保障在户外极端恶劣情况下仍然能稳定可靠工作。 (2) 中腾微网PCS变流器模块，可有效接入光伏、柴油发电机、风力发电机等多种能量设备来源。 (3) 中腾微网PCS变流器模块，宽压设计，可自由选择储能电池的容量，从30kwh-120kwh自由搭配使用，场景兼容性强。 (4) 中腾微网PCS变流器模块，拥有并网、离网、并离网三种常规的应用场景，配合STS设备，可实现储能、备点的主动无缝切换，备点被动切换时间低至10ms内，在业界处于领先地位。 (5) 使用中腾微网PCS变流器模块，可以通过设备堆叠获得更大的功率，天然支持15台设备并机，使用配套的STS、MPPT模块，也可以自由按需搭配满足实际需求的微电网应用场景。 (6) 中腾微网PCS变流器模块，可以通过交流耦合第三方设备、也可以通过直流耦合兼容第三方设备。 6. 中腾微网将持续聚焦绿色微电网技术，持续研发投入聚焦工商业场景应用。欢迎各界朋友前来交流与合作 业务联系接待： 邓工 13660246009 # 「中腾微网」完成近亿元B轮融资，同创伟业联合领投 近日，中腾微网（北京）科技有限公司（简称“中腾微网”）宣布完成近亿元B轮融资，由同创伟业和上市公司宏力达联合领投。资金将用于公司业务开发及技术团队扩充、产品迭代升级等核心竞争力的提升。中腾微网成立于2015年，是一家专注于新能源微电网行业的国家级高新技术企业，2022年被评为北京市专精特新“小巨人” 近日，中腾微网（北京）科技有限公司（简称“中腾微网”）宣布完成近亿元B轮融资，由同创伟业和上市公司宏力达联合领投。 资金将用于公司业务开发及技术团队扩充、产品迭代升级等核心竞争力的提升。 中腾微网成立于2015年，是一家专注于新能源微电网行业的国家级高新技术企业，2022年被评为北京市专精特新“小巨人”企业；截至目前，公司已在全球二十多个国家和地区成功交付了100多个新能源微电网解决方案，是国内微电网出海的领军企业。 微电网技术是新型电力系统的基础支撑技术，随着我国新型电力系统建设的加快推进，以及海外对于新能源电力的刚性和改善型需求的快速增长，微电网行业迎来了快速发展期。中腾微网拥有一支有深厚技术积累和业务拓展能力的优秀团队，具有丰富的微电网产品研发、系统设计和交付经验，在微电网行业具有明显的先发优势。 对于获得本次融资，中腾微网CEO曹振武表示：“感谢投资人同创伟业和宏力达对中腾微网的认可和支持，在当前极寒的投资环境中，投资不仅需要勇气，而且需要投资人具有穿越周期的洞察力，中腾微网非常荣幸拥有这样睿智和拥有远见的投资人；同时也要感谢团队，坚持创新，勇于拓展，在智能微电网行业实现了一次又一次突破；未来，中腾微网将紧跟“一带一路”国家，持续深耕海外微电网市场，服务当地，为全球能源转型贡献力量。 同创伟业认为全球微电网市场空间潜力巨大，随着光伏和储能的成本下降以及能源成本的上升，微电网经济性已开始体现。伴随全球向电气化、低碳转型，中国电力改革深化，微电网市场已到爆发的拐点。 中腾微网是微电网行业龙头企业，是全球范围内极少数具备微电网核心技术及交钥匙能力的企业，极少数拥有成功兆瓦级用电负荷案例的企业，在亚非拉微电网市场已具备知名度和口碑。团队拥有多年新能源和微电网经验，同时还具备亚非拉本地化团队，团队稳健务实且合作稳定，执行力强；此外，还具备不同应用场景的方案设计经验、运营经验和数据，在亚非拉多国建立了首个案例及合作伙伴关系，市场先发优势显著，在手订单充裕，有望快速规模化增长，成为微电网行业领军者。 # 中腾微网成功中标马尔代夫30个岛光柴储微电网项目 2023年11月30日中腾微网（北京）科技有限公司及合作方成功中标马尔代夫Kaafu, Alifu-Alifu, Alifu Dhaalu 和 Vaavu环礁30个岛光柴储微电网总承包项目。值得一提的是，马尔代夫30个岛光柴储微电网项目(30岛项目)是中腾微网在马尔代夫地区中标的第五个微电网项目，截 **2023年11月30日** 中腾微网（北京）科技有限公司及合作方成功中标马尔代夫Kaafu, Alifu-Alifu, Alifu Dhaalu 和 Vaavu环礁30个岛光柴储微电网总承包项目。 值得一提的是，马尔代夫30个岛光柴储微电网项目(30岛项目)是中腾微网在马尔代夫地区中标的第五个微电网项目，截止此次新项目中标，中腾微网在马尔代夫的项目岛总数量已达到114个。