GB/T 18802.31-2021
Low-voltage surge protective devices—Part 31: Surge protective devices connected to photovoltaic installations—Requirements and test methods (English Version)

Standard No.

GB/T 18802.31-2021

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

Lastest

GB/T 18802.31-2021

Replace

GB/T 18802.31-2016

Scope

This part of GB/T18802 applies to surge protective devices (SPDs) that protect against the indirect and direct effects of lightning or other transient overvoltage surges. These SPDs will be connected to the DC side of photovoltaic systems with a rated voltage not exceeding 1500V. These SPDs contain at least one non-linear component to limit voltage and discharge surge current. This part specifies the performance characteristics, safety requirements, standard test methods and ratings of these appliances. SPDs complying with this standard are only designed to be installed on the DC side of photovoltaic systems and the DC side of inverters. SPDs used for energy storage photovoltaic systems (such as batteries, capacitor banks) are not included in this section. SPDs with special series impedances between separate input and output terminals (so-called two-port SPDs in IEC 6164311:2011) are currently not covered by this standard.

GB/T 18802.31-2021 Referenced Document

• GB/T 2423.3-2016 Environmental testing—Part 2：Testing method—Test Cab:Damp heat,steady state

GB/T 18802.31-2021 history

• 2021 GB/T 18802.31-2021 Low-voltage surge protective devices—Part 31: Surge protective devices connected to photovoltaic installations—Requirements and test methods
• 2016 GB/T 18802.31-2016 Low-voltage surge protective devices—Surge protective devices for specific application including d.c.—Part 31:Requirements and tests for SPDs in photovoltaic applications

GB/T 18802.31-2021 -All Parts