GB/T 31487.3-2025 Active National standards

GB/T 31487.3-2025 Direct current deicers—Part 3:Tests

GB/T 31487.3-2025 Direct current deicers—Part 3:Tests

Publish Date: 2025-12-31 Implement Date: 2026-07-01 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 31487.3-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Power semiconductor devices and components

ICS Name: Other equipment related to the transmission and distribution networks

Publish Date: 2025-12-31

Implement Date: 2026-07-01

Pages: 36 pages

Scope

This document describes the methods for type testing, routine testing, on-site testing, and maintenance testing of DC ice-melting devices.
This document is applicable to phase-shifting DC ice-melting devices and modular multilevel DC ice-melting devices used for melting ice on conductors and ground wires of AC transmission lines with voltages of 110 kV and above, as well as ground wires of DC transmission lines. Other types of DC ice-melting devices may be used as reference for application.

Development Information

Word Count: 57 Thousand words Pages: 36 pages

Same series standard

GB/T 31487.1-2025 Direct current deicers—Part 1:System design GB/T 31487.2-2025 Direct current deicers—Part 2:Converters

Replace the following standards

GB/T 31487.3-2015 Direct current de-icing devices—Part 3:Tests

Referenced Standards

GB/T 1094.1-2013 Power transformers—Part 1:General GB/T 1094.3-2017 Power transformers—Part 3:Insulation levels,dielectric tests and external clearances in air GB/T 1094.4-2005 Power transformers—Part 4:Guide to the lightning impulse and switching impulse testing—Power transformers and reactors GB/T 1094.11-2022 Power transformers—Part 11:Dry-type transformers GB/T 7354-2018 High-voltage test techniques—Partial discharge measurements GB/T 16927.1-1997 High-voltage test techniques Part 1:General test requirements GB/T 16927.1-2011 High-voltage test techniques—Part 1:General definitions and test requirements GB/T 20297-2006 Static var compensator field tests GB/T 20990.1-2020 Thyristor valves for high voltage direct current (HVDC) power transmission—Part 1:Electrical testing GB/T 25092-2010 Dry-type air-core smoothing reactors for HVDC applications GB/T 33348-2024 Voltage sourced converter valves for high-voltage direct current power transmission—Electrical testing GB/T 37008-2018 Technical specification of reactors for VSC-HVDC applications GB 50150-2016 Electric equipment installation engineering - standard for hand-over test of electric equipment GB 50171-2012 Code for construction and acceptance of switchboard outfit complete cubicle and secondary circuit electric equipment installation engineering DL/T 1215.4-2013 Chain-type Static Synchronous Compensator Part 4: Field Test GB/T 31487.2-2025 Direct current deicers—Part 2:Converters GB/T 31487.1-2025 Direct current deicers—Part 1:System design

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