The recommended approach is to use a separate DC grounding electrode for PV arrays and frames, as this enhances protection against lightning and transient voltage.
Annex D of IEC 62305-3 deals specifically with the protection of photovoltaic installations. It covers in particular the positioning of PV panels in protection zones, the separation distances to be observed between down conductors and DC cables, and the rules for grounding chassis.
In this guide, we'll crack open the toolbox of professional welding skills specifically for PV station brackets, complete with real-world examples that'll make you rethink your current approach.
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Space-saving, modular combined arrester with push-in connection terminal and status indication for protecting one pair of unearthed signal circuits with a high nominal current for IT systems and measuring and control circuits.
Lightning protection systems (LPS) provide a protective zone to assure against direct strikes to PV systems by utilizing basic principles of air terminals, down conductors, equipotential bonding, separation distances and a low‐impedance grounding electrode system.
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