Junction Box Fault
The common quality problems of the junction box mainly include the hot spot problem caused by the false welding of the bus bar lead-out wire, the diode failure or breakdown, the cable connection is loose and falls off or the quality of the crimping is not good, resulting in the. Solar panel junction boxes are critical components in photovoltaic (PV) systems, serving as the interface between the solar panels and the electrical system. In some semi-transparent double-glazed modules, they can also be attached to the side. The Junction box of solar modules fails in the field mainly because of fault current passing through the Junction box.
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