GB/T 18802.31-2021 Active National standards

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

Publish Date: 2021-03-09 Implement Date: 2021-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 18802.31-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Low-voltage electrical equipment

ICS Name: Substations, surge arrestors

Publish Date: 2021-03-09

Implement Date: 2021-10-01

Pages: 44 pages

Scope

This part of GB/T 18802 is applicable to surge protectors (SPDs) used to protect against the indirect and direct effects of lightning or other transient overvoltages. These SPDs will be connected to the DC side of photovoltaic systems with a rated voltage not exceeding 1,500 V.
These SPDs contain at least one non-linear component used to limit voltage and discharge surge currents. This part specifies the performance characteristics, safety requirements, standard test methods, and rated values of these devices.
SPDs that comply with this part are only designed for installation on the DC side of photovoltaic systems and the DC side of inverters.
SPDs used in energy storage photovoltaic systems (such as batteries and capacitor banks) are not included in this part.
SPDs with special series impedances between separate input and output terminals (so-called two-port SPDs in IEC 61643-11:2011) are not currently included in this part.
SPDs that comply with this part are fixed SPDs with permanent connections that can only be connected and disconnected using tools. This part does not apply to portable SPDs.
Note 1: For SPDs applied to photovoltaic systems, special series impedances between input and output terminals are usually not included for power efficiency considerations.
Note 2: Any power systems or grids mentioned in this part refer to the DC side of photovoltaic systems.

Development Information

Word Count: 81 Thousand words Pages: 44 pages

Same series standard

GB/T 18802.32-2021 Low-voltage surge protective devices—Part 32:Surge protective devices connected to photovoltaic installations—Selection and application principles

Replace the following standards

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

Referenced Standards

GB/T 2423.3-2016 Environmental testing—Part 2:Testing method—Test Cab:Damp heat,steady state GB/T 16935.1-2008 Insulation coordination for equipment within low-voltage systems—Part 1:Principles,requirements and tests IEC 60060-1:2010 IEC 60529 IEC 61000-6-3 IEC 61180-1 IEC 61643-11:2011 IEC 62475:2010