Working Principle of Off-Grid Solar Power Generation System
1. Photoelectric Conversion
When sunlight irradiates solar panels, based on the photovoltaic effect, semiconductor materials in the panels absorb photon energy, generating electron-hole pairs that form an electric current. This process converts solar energy into direct current (DC).
2. Charging Control
The DC power generated by the solar panels enters a controller, which monitors parameters (such as voltage and current) and adjusts the charging process from the panels to the battery. This ensures safe charging and prevents overcharging.
3. Energy Storage
The battery stores electrical energy through internal chemical reactions, converting it into chemical energy for storage. When sunlight is insufficient, it reverses the process, converting chemical energy back into electrical energy for output.
4. Inversion and Output
An inverter transforms the DC power from the battery into standard alternating current (AC). It also controls the quality of the output by regulating parameters like voltage and frequency to meet grid-standard requirements.
5. Load Power Supply
The AC power generated by the inverter is transmitted to various electrical loads to meet their power demands. The system dynamically balances and stabilizes the power supply according to real-time load requirements, ensuring stable operation.
| Model |
GSL48-5.5K-10kWh |
GSL48-5.5K-20kWh |
GSL48-5.5K-30kWh |
| INVERTER OUTPUT |
| Rated output power(W) |
5500 |
| Rated output powe(VA) |
5500 |
| Maximum peak power(W) |
11000 |
| Rated AC output |
230VAC(Can be set200/208/220/240VAC,50/60Hz |
| Output Voltage Waveform |
Pure Sine Wave |
| Inverter and Bypass Switching Time |
10ms (typical) |
| Maximum Battery Inverter Efficiency |
93% |
| Overload Protection |
102%~110%5min;110%~125%,10s;>125%,2s |
| BATTERY |
| Energy Capacity(kWh) |
10 |
20 |
30 |
| Battery Module Quantity |
1 |
2 |
3 |
| Rated Battery Voltage(VDC) |
48/51.2 |
| Battery Voltage Range(V) |
42~54.75/44.8~58.4 |
| Max.MPPT Charging Current(A) |
100 |
| Max.Mains Charging Current(A) |
60 |
| Maxi.Hybrid Charging Current(A) |
100 |
| PV CHARGING |
| MPPT Quantity |
1 |
| Max. PV Array Power(W) |
5500 |
| Max.PV Input Current(A) |
22 |
| Max. Open Circuit Voltage(VDC) |
500 |
| MPPT Work Range(V) |
70~450 |
| MPPT Tracking Efficiency |
99.9% |
| MAINS INPUT |
| Input Voltage Range(VAC) |
90~280/170~280 |
| Frequency Range(Hz) |
50/60±0.3 |
| SPECIFICATIONS |
| Dimensions(W*D*H)mm |
250*690*850 |
250*690*1310 |
250*690*1770 |
| Weight(kg) |
125 |
225 |
325 |
| Classification of Waterproof |
IP20 |
| OperatingTemperature Range(C) |
-10~55 |
| Storage Temperature Range(°C) |
-25~60 |
| Noise(dB) |
<60 |
| Heat Dissipation |
Inverter forced air cooling (variable speed of fan) / Battery natural air cooling |
PV module
Cell Type:Mono N-Type
No. of Cells:132pieces(6*22)
Module Dimensions:2382*1134*30mm
Weight:28.2KG
Pmax(W):625W
Vmpp(V):41.4V
Impp(A):16.61A
Voc(V):48.6V
Isc(A):17.54A
INVERTER OUTPUT
Rated output power(W):5500
Maximum peak power(W):11000
Rated AC output:230VAC(Can be set200/208/220/240VAC,50/60Hz
Inverter and Bypass Switching Time:10ms (typical)
BATTERY
Rated Battery Voltage(VDC):48/51.2
Max.MPPT Charging Current(A):100
PV CHARGING
MPPT Quantity:1
Max. PV Array Power(W):5500
Max.PV Input Current(A):22
MPPT Work Range(V):70~450
MPPT Tracking Efficiency:99.9%
Auxiliary materials
PV:PV1-F1*4mm²
Power distribution box:20KW
Auxiliary materials:Grounding, wire threading pipe, MC4 connector
Yangde Photovoltaic-Storage Lithium Battery Integrated Energy Storage System
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