光伏（PV）阵列 接地故障保护设备 安全和安全相关功能

[中文适用范围]： 本文件适用于低压光伏接地故障保护设备（PV-EFPE），其功能是检测、中断和警告系统操作员太阳能光伏阵列中的接地故障。注 1：在本文件的上下文中，光伏阵列可能包括 [外文原描述]： IEC 63112:2021 is applicable to low voltage Photovoltaic Earth-Fault Protection Equipment (PV-EFPE) whose function is to detect, interrupt, and warn system operators of earth faults in solar photovoltaic arrays. This document specifies: - the types and levels of the monitoring and protection functions that may be provided; - the nature and timing of responses to earth faults; - test methods for validating the monitoring and protection functions provided; - requirements for functional safety and fault tolerance; - requirements for product safety including construction, environmental suitability, markings, documentation, and testing.