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Photovoltaic (PV) arrays - Part 1: Design requirements
IEC 62548-1:2023+AMD1:2025 CSV sets out design requirements for photovoltaic (PV) arrays including DC array wiring, electrical protection devices, switching and earthing provisions. The scope includes all parts of the PV array and final power conversion equipment (PCE), but not including energy storage devices, loads or AC or DC distribution network supplying loads.
The object of this document is to address the design safety requirements arising from the particular characteristics of photovoltaic systems. This document also includes extra protection requirements of PV arrays when they are directly connected with batteries at the DC level.
This first edition cancels and replaces IEC 62548 published in 2016. This edition includes the following significant technical changes with respect to the previous edition:
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