6~35kV medium and high voltage direct-mounted energy storage system · Product code P-292
Product category:
energy storage
Product code:
P-292
Model:
Medium and high voltage direct-mounted energy storage system 6~35kV
Function & Use
The medium and high voltage direct-mounted energy storage system has the advantages of modular design of PCS units, large single unit capacity, high conversion efficiency, fast dynamic response, low harmonic content, no circulating current in a single battery cluster, excellent energy balancing effect and high capacity utilization. It can be flexibly expanded according to different application scenarios.
Surprise on inquiry
Product highlights
Modular design
Energy storage application adaptation
Voltage level is clear
Reliable heat dissipation and cooling
Engineering application adaptation
Model
Medium and high voltage direct-mounted energy storage system 6~35kV
Category nameEnergy storage series productsClassification6~35kV medium and high voltage direct-mounted energy storage system
Product featuresThe device has low switching frequency and high equivalent switching frequency: reducing switching losses and improving power quality; no need for a step-up transformer, enabling direct grid connection of 6~35kV: reducing system output current, reducing line losses, improving system efficiency, and a single cycle efficiency can reach more than 90%; the battery is managed in a single cluster, and the cells are only Series connection, not parallel connection: no DC circulation, avoid short board effect, reduce the risk of thermal runaway, improve the accuracy of BMS detection of battery cells, and reduce the risk of misjudgment; the system response time is fast: the charge and discharge conversion time of a single device is <10ms, and the power response is <10ms, which has obvious advantages in frequency modulation applications.Electrical parametersGrid-connected voltage: 10kV medium-voltage direct-mounted energy storage system is 10kV; 35kV high-voltage direct-mounted energy storage system is 35kV; rated frequency: 50Hz/60Hz; rated power: 10kV medium-voltage direct-mounted energy storage system is 5MW/7.5MW/10MW; 35kV high-voltage direct-mounted energy storage system is 5MW/7.5MW/10MW; The energy storage system is 12.5MW/15MW/20MW/25MW; battery capacity: 10kV medium-voltage direct-mounted energy storage system is 10MWh/15MWh/20MWh; 35kV high-voltage direct-mounted energy storage system is 25MWh/30MWh/40MWh/50MW h; DC side voltage of power unit: 600-1200V; Topology: high voltage cascade H-bridge (Y type or angle type); total current harmonic distortion rate THDi: <2% (rated operating conditions); total voltage harmonic distortion rate THDu: <2% (rated operating conditions); full power dynamic response: <10 ms; converter conversion efficiency: >98.6% (maximum 99.16%); protection level: no less than IP54; cooling method: full liquid cooling technology (both PCS and battery PACK adopt liquid cooling technology); fire protection system: PACK level, cluster level, cabin level fire protection, gas fire protection + water fire protection
BrandJST
Product details
Functional use: The medium and high voltage direct-mounted energy storage system has the advantages of PCS unit modular design, large single unit capacity, high conversion efficiency, fast dynamic response, low harmonic content, no circulating current in a single battery cluster, excellent energy balance effect and high capacity utilization. It can be flexibly expanded according to different application scenarios, and has significant technical advantages in fields such as electrochemical energy storage, frequency modulation and peak shaving.
Detailed description: Product features:
The device has low switching frequency and high equivalent switching frequency: reducing switching losses and improving power quality;
No need for a step-up transformer, achieving direct grid connection of 6~35kV: reducing the system output current, reducing line losses, improving system efficiency, and the single cycle efficiency can reach more than 90%;
Single battery cluster management, the cells are only connected in series and not in parallel: there is no DC circulation, which avoids the short board effect, reduces the risk of thermal runaway, improves the accuracy of BMS's battery cell detection, and reduces the risk of misjudgment;
The system response time is fast: the charge and discharge conversion time of a single device is <10ms, and the power response is <10ms, which has obvious advantages when used as a frequency modulation application.
Electrical parameters:
Grid-connected voltage: 10kV for 10kV medium-voltage direct-connected energy storage system; 35kV for 35kV high-voltage direct-connected energy storage system
Rated frequency: 50Hz/60Hz
Rated power: 10kV medium-voltage direct-mounted energy storage system is 5MW/7.5MW/10MW; 35kV high-voltage direct-mounted energy storage system is 12.5MW/15MW/20MW/25MW
Battery capacity: 10kV medium-voltage direct-mounted energy storage system is 10MWh/15MWh/20MWh; 35kV high-voltage direct-mounted energy storage system is 25MWh/30MWh/40MWh/50MWh
Power unit DC side voltage: 600-1200V
Topology: high voltage cascade H-bridge (Y type or angle type)
Total current harmonic distortion rate THDi: <2% (rated operating conditions)
Total voltage harmonic distortion rate THDu: <2% (rated operating conditions)
Full power dynamic response: <10ms
Converter conversion efficiency: >98.6% (maximum 99.16%)
Protection level: no less than IP54
Cooling method: full liquid cooling technology (PCS and battery PACK both use liquid cooling technology)
Fire protection system: PACK level, cluster level, cabin level fire protection, gas fire protection + water fire protection
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