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The main electrical equipment of the household PV system consists of PV modules, inverters, grid-connected boxes, cables and other devices and accessories.
Residential photovoltaic systems are mainly composed of photovoltaic modules, inverters, grid-tie boxes, cables, and other equipment and accessories.
| System capacity | 20kW three-phase | 25kW three-phase | 30kW three-phase | 33/36kW three-phase | 40kW three-phase | 50kW three-phase | |
| Standard parts | Standard parts | JAM72S30-545/MR Quantity: 39-46 | JAM72S30-545/MR Quantity: 47-54 | JAM72S30-545/MR Quantity: 55-68 | JAM72S30-545/MR Quantity: 69-72 | JAM72S30-545/MR Quantity: 73-90 | JAM72S30-545/MR Quantity: 91-110 |
| Grid-connected inverters | 20kW inverter Quantity: 1 | 25kW inverter Quantity: 1 | 30kW inverter Quantity: 1 | 33/36kW inverter Quantity: 1 | 40kW inverter Quantity: 1 | 50kW inverter Quantity: 1 | |
| Inverter data communication | Standard GPRS/4G communication module | Standard GPRS/4G communication module | Standard GPRS/4G communication module | Standard GPRS/4G communication module | Standard GPRS/4G communication module | Standard GPRS/4G communication module | |
| DC cables | 4mm² PV cable, 40m red wire and 40m black wire | 4mm² PV cable, 50m red wire and 50m black wire | 4mm² PV cable, 65m red wire and 65m black wire | 4mm² PV cable, 70m red wire and 70m black wire | 4mm² PV cable, 90m red wire and 90m black wire | 4mm² PV cable, 120m red wire and 120m black wire | |
| DC cable connectors | QC4.10-35, 6 pairs | QC4.10-35, 6 pairs | QC4.10-35, 8 pairs | QC4.10-35, 8 pairs | QC4.10-35, 10 pairs | QC4.10-35, 12 pairs | |
| Optional standard parts | Module mountings | Pitched roof mounting system or flat roof mounting system Quantity to be determined based on actual conditions | |||||
| AC cables | ZC-YJV-0.6/1KV 3*10mm²+1*6mm² or ZC-YJLV-0.6/1KV 3*16mm²+1*10mm² Quantity to be determined based on actual needs; choose one size larger if it is more than 50m | ZC-YJV-0.6/1KV 3*10mm²+1*6mm² or ZC-YJLV-0.6/1KV 3*16mm²+1*10mm² Quantity to be determined based on actual needs; choose one size larger if it is more than 50m | ZC-YJV-0.6/1KV 3*16mm²+1*10mm² or ZC-YJLV-0.6/1KV 3*25mm²+1*16mm² Quantity to be determined based on actual needs; choose one size larger if it is more than 50m | ZC-YJV-0.6/1KV 3*16mm²+1*10mm² or ZC-YJLV-0.6/1KV 3*25mm²+1*16mm² Quantity to be determined based on actual needs; choose one size larger if it is more than 50m | ZC-YJV-0.6/1KV 3*16mm²+1*10mm² or ZC-YJLV-0.6/1KV 3*25mm²+1*16mm² Quantity to be determined based on actual needs; choose one size larger if it is more than 50m | ZC-YJV-0.6/1KV 3*25mm²+1*16mm² or ZC-YJLV-0.6/1KV 3*35mm²+1*16mm² Quantity to be determined based on actual needs; chooseone size larger if it is more than 50m | |
| Parts provided by distributors | Auxiliary materials | Materials other than those listed above include: fasteners for fixing foundation, waterproofing materials, grounding materials, materials | |||||
