![]() The energy released by a lightning discharge is one of the most frequent causes of the fire. The necessity of a rooftop lightning protection system medical equipment, water supply) may be disrupted. If surges are injected into systems that are far from the power grid, which is also referred to as stand-alone PV systems, the operation of equipment powered by solar electricity (e.g. More importantly, production facilities of industrial buildings may also easily be damaged and production may come to a halt. Surges do not only damage the PV modules, inverters and their monitoring electronics but also devices in the building installation. This effect increases in relation to increasing cable lengths or conductor loops. Lightning discharges cause field-based and conducted electrical interference. The cables of PV systems frequently enter the building and extend over long distances until they reach the grid connection point. ![]() ![]() However, these systems are exposed to all weather conditions and must withstand them over decades. Based on the fact that self-generated electricity is generally cheaper and provides a high degree of electrical independence from the grid, PV systems will become an integral part of electrical installations in the future. At present, many PV systems are installed. ![]()
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