To ask "What is the most feared problem of photovoltaic power generation?" Experienced people must know "the problem of shadow occlusion." 1. Small shadows, big hazards Because the position of the sun changes with the seasons and time, and the surrounding potential obstructions also change over time, anyone with experience in installing photovoltaic power plants understands that shadows are ...
Reasons for low insulation resistance: When the solar panels or DC cables and joints are damaged or the insulation layer is aging, the problem of low insulation resistance is easy to occur. When the DC cable passes through the bridge, since the edge of the metal bridge may have barbs, the outer insulation of the cable may be damaged during the threading process, resulting in leakage to the ground....