Large-scale Solar Energy Storage System Solution
ECE relies on advanced lithium iron phosphate battery technology, which can provide large-scale energy storage systems, distributed energy storage systems and microgrid systems. The large distributed solar optical storage and power generation system is composed of photovoltaic modules, converter, AC-DC junction boxes and commercial large scale solar battery storagebatteries. The modules of photovoltaic modules transmit electricity to energy storage converters through photovoltaic junction boxes. The EMS system intelligently manages the distribution and use of electricity, and delivers power in real time according to the requirements of the use scenarios.These solutions can be used for frequency regulation, voltage compensation, frequency regulation and power quality management in the power system.
Detail of Large-scale Solar Energy Storage System Solution
The photovoltaic array is a complete power generation unit, consisting of any number of photovoltaic modules and panels. Many 450W-580W photovoltaic modules composed of crystalline silicon cells form photovoltaic arrays installed in series on various types of supports.
Photovoltaic arrays are typically installed on residential roofs, commercial roofs and ground utility scale systems (power stations or industrial parks, etc.).
The battery system is composed of lithium iron phosphate class A cell with good safety performance and long life. A single battery pack is 64V280AH, and 12 batteries are connected in series to form a 215 KWh battery cluster. Multiple battery clusters are connected in series to reach the final required capacity of the system. The battery system stores the photovoltaic power generation energy or the trough energy of the power grid to release when the load is needed, to meet a variety of application scenarios.
Battery status monitoring
Events record and storage function · Operation control
Insulation detection
Dynamicbalancing management
Protection alarms
Communication
Wide-range of DC input voltage
Short conversion time of full power from charge to discharge
Indoor or outdoor installation
Low voltage ride through
Reactive power adjustable, max.reactive power up to 500kVar
Active power derating
Film capacitor design
Controlling PCS and battery stacks to work together
Providing local monitoring and control operation interface
Providing remote monitoring and control operation interface
Recording and storing important operation parameters as accidents and failure data.
A highly sensitive fire alarm system is equipped with temperature sensor and smoke detector. The system has the functions of automatic fire detection, automatic fire alarm, automatic fire extinguishing and automatic fire control status. At the same time, it has self-inspection function, monitoring fault and fault alarm to ensure the fire safety of energy storage power station.
Effective heat management of the heat dissipation of the energy storage system to ensure that the system is in a constant temperature and humidity state, and prevent the energy storage system capacity attenuation, short life reduction and thermal runaway.
Specification of Large-scale Solar Energy Storage System Solution
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Battery |
|
|
Cell chemistry |
LiFePO4 |
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Cell Model |
|
|
Rated power |
|
|
Rated capacity ±5% |
280Ah |
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Rated energy ±5% |
896Wh |
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Pack Method |
24S1P |
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Rated voltage |
|
|
Rated capacity±5% |
280 Ah |
|
Rated energy±5% |
21504 Wh |
|
Operating voltage protection range |
60 ~ 87.6V |
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Battery weight |
≈165KG |
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Battery pack case material |
Iron |
|
Container |
||
|
Model |
ESS-20C |
ESS-40C |
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Rated energy ±5% |
1000kWh |
2000kWh |
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Rated voltage |
768V |
|
|
Rated capacity±5% |
1400Ah |
2800Ah |
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Pack Method |
240S5P |
240S10P |
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Rated ACpower |
250kW/500kW |
500kW/1000kW |
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Rated AC voltage |
400V |
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Rated AC current |
360A/720A |
720A/720A*2 |
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THDi |
<3%( linear load) |
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PF adjustable range |
-1(leading)～+1(lagging) |
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Type |
modular, high efficiency three level |
|
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Protection |
over temperature, low temperature charging, over current, short circuit, |
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|
over voltage, under voltage, DC bus protection, etc. |
||
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Connection mode |
three phase three wire/three phase four wire |
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|
isolation transformer |
Equipped (optional) |
|
|
Workingmode |
grid-tied peak shaving/off-grid power supply guarantee |
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|
General Parameters |
||
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Dimensions |
6058*2438*2896 mm |
12196*2438*2896 mm |
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Weight |
||
|
Protection level |
IP55 |
|
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Operating temperature |
-25~60℃(derating>45℃) |
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Relative humidity |
0~95%(non-condensing) |
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Altitude |
3000m(>3000m Derating)) |
|
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Fire extinguishing system |
FM200 pipe fire extinguishing system |
|
|
Battery cabin cooling code |
air conditioning cooling |
|
|
Electric cabin cooling code |
fan cooling |
|
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Communication |
RS485,Ethernet/Modbus RTU, Modbus TCP |
|
|
interface/protocol |
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Certifications |
IEC6261,UN38.3,UL1973,CE |
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Container Energy Storage System Structure
Utility Scale Energy Storage System Application
As one of the batteries manufacturers, We provide utility scale solar battery storage,
solar battery container, large scale electricity storage, 10000 kwh battery, utility scale solar storageutility solar storage, pv power systems, etc. For 1 mw lithium ion battery costor more information, please feel free to contact us!
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