检测相线与中性线电流矢量差动作的保护器(30mA/0.1s 防人身电击),多国规范对住宅光伏强制。
Device tripping on the vector difference of line currents (30mA/0.1s for personnel protection); mandatory for residential PV in many codes.
AI 光伏设计平台免费开放:从术语到完整设计图纸与可研报告。