GB/T 39750-2021
Technology requirements of DC arc-fault circuit protection for photovoltaic power system (English Version)

Standard No.

GB/T 39750-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 39750-2021

Scope

This standard stipulates the basic regulations of DC arc in photovoltaic power generation system, protection device requirements, protection methods and protection tests. This standard applies to arc protection on the DC side of photovoltaic power generation systems combined with buildings.

GB/T 39750-2021 Referenced Document

• GB/T 14048.3 Low-voltage switchgear and controlgear—Part3: Switches，disconnectors，switch-disconnectors and fuse-combination units

GB/T 39750-2021 history

• 2021 GB/T 39750-2021 Technology requirements of DC arc-fault circuit protection for photovoltaic power system