How big an inverter should a 1kw photovoltaic power station use

A general rule of thumb is that you will need a 1,000 watt (1kW) inverter for every 1 kilowatt (kW) worth of solar panels. So, if you have 4 kW of solar panels, you would need at least a 4kW inverter. [pdf]
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How big is the cable of the photovoltaic area combiner box

Use 4–10 mm2, 600 V insulated cables. Strip 8 mm of cable insulation. Ground the combiner box by connecting it to the inverter. Use the grounding points marked with the Open the combiner box cover. [pdf]
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