The 50kw off grid solar system is designed for farm or hotel use. It can compatible with grid or generator. Solar is priority, gid and generator will be on standby mode.
Inverter power: 50kW power frequency inverter
AC output voltage: Three phase 208V or 380V
Battery voltage: DC220V
Battery type: Gel battery or LiFePO4 battery
Solar panel type: Mono or poly
50kw solar off grid system configuration for your reference
| No | Item | Specification | Quantity | Remark | |
| 1 | mono | 400W | 90 | grade A cells,10pcs in one string and 9strings in paralle1 | |
| 2 | Solar panel bracket | C-shaped steel | 1 | Ground type | |
| 3 | PV combiner box | 3 inputs, 1 output | 1 | waterproof, lightning protection, with DC breaker and fuse | |
| 4 | MPPT charging controller | 220V/150A | 1 | 3PV input ports, 50A/port | |
| 5 | Off grid inverter three phase | Pure sine wave, 50KW/220V | 1 | power frequency inverter；output:380VAC/50HZ ；(each phase can run 100% unbalanced loads with 220V50HZ output, the maximum load capacity for each phase is 16.7KW) | |
| 6 | Gel battery (deep cycle) | 2V800AH | 110 | 110pcs 2v800ah in one string, including cables and battery rack | |
| 7 | accessories | Battery distribution box(with MCCB breaker) | 1 | It is for DC part | |
| MC4 connector | 10 | ||||
| PV cables(solar panel to PV combiner box) | 4mm2 | 300 | |||
| BVR cables(PV combiner box to MPPT controller) | 10mm2 | 100 | |||
| BVR cables(battery to distribution box) | 35mm2*2 | 20 | |||
| BVR cables(inverter to distribution box) | 35mm2*2 | 20 | |||
| BVR cables (MPPT controller to distribution box) | 50mm2 | 20 | |||
Main components introduction
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mono or poly solar panels, grade A cells, with excellent low irradiance performance and excellet PID resistance |
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mounting structure for solar panels, gavalnized steel or aluminum alloy, roof type or ground type. It can be designed based on your needs |
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PV combiner box, 3 inputs, 1 output, with DC breaker, SPD and fuse. 500V, IP65 protectiong grade |
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220V150A mppt solar charge controller, 3PV ports, 50A/port, 12.8kW/port. Wide PV input range: 260V-450V. MPPT tracking efficiency can reach up to 99.9% |
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50kW power frequency inverter with transformer inside, stable output, 92% high efficiency, suitable for all kinds of inductive loads. Output voltage can be three phase 380V or three phase 208V. |
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2V800AH gel battery, ABS outshell, low internal resistance, long cycle lifespan, low self discharge rate, wide operation temperature range |
How to choose one suitable solar off grid system?
1, confirm the inverter voltage and inverter power based on your loads
2, confirm if the system is totally off grid or with grid/generator as backup
3, confirm solar panel power based on your daily load conumption and solar irradiance figure
4, confirm battery type and battery backup hours
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