IEC 63027:2023适用于用于检测和可选中断光伏(PV)系统电路中直流电弧的设备。该文件涵盖了检测光伏电路中串联电弧的测试程序，以及用于中断电弧的设备的响应时间。 该文件定义了进行测试所依据的参考方案。本文件涵盖连接到最大PV源电路电压不超过1 500 V DC的系统的设备。本文件提供了光伏系统中使用的电弧故障保护装置的要求和测试程序，以降低引发电气火灾的风险。

IEC 63027:2023 applies to equipment used for the detection and optionally the interruption of electric DC arcs in photovoltaic (PV) system circuits. The document covers test procedures for the detection of series arcs within PV circuits, and the response times of equipment employed to interrupt the arcs.
The document defines reference scenarios according to which the testing is conducted. This document covers equipment connected to systems not exceeding a maximum PV source circuit voltage of 1 500 V DC. This document provides requirements and testing procedures for arc-fault protection devices used in PV systems to reduce the risk of igniting an electrical fire.