Reasons for large leakage current of photovoltaic panels

Probable cause: Leakage current faults are generally divided into three categories:External environmental factors (increased environmental humidity)System factors (poor system ground insulation)Inverter factors (leakage current detection protection threshold is too small) [pdf]
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Select a large photovoltaic inverter

Most PV systems don’t regularly produce at their nameplate capacity, so choosing an inverter that’s around 80 percent lower capacity than the PV system’s nameplate output is ideal. Learn about how solar software can help make solar design and sales easier Select inverter size aligned with total wattage. Factor in future expansion for scalability. Ensure proper installation, grounding, and ventilation. [pdf]