The fault of insulation leakage of distributed photovoltaic power station is always the technical difficulty of photovoltaic power station. Especially in every link from the photovoltaic cell array to the grid-connected inverter. the wiring is complicated and the environment is bad. In view of the disadvantages of traditional monitoring technology. https://www.roneverhart.com/Slate-Digital-VCC-Virtual-Console-Collection-p32717/