GB/T 31487.2-2025 Active National standards

GB/T 31487.2-2025 Direct current deicers—Part 2:Converters

GB/T 31487.2-2025 Direct current deicers—Part 2:Converters

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 31487.2-2025

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: 48 pages

Scope

This document specifies the types of DC ice-melting devices, technical requirements, inspection rules, packaging, transportation, and storage requirements.
This document applies to phase-changing DC ice-melting devices and modular multi-level 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 can be used as reference for application.

Development Information

Word Count: 71 Thousand words Pages: 48 pages

Same series standard

GB/T 31487.1-2025 Direct current deicers—Part 1:System design GB/T 31487.3-2025 Direct current deicers—Part 3:Tests

Replace the following standards

GB/T 31487.2-2015 Direct current de-icing devices—Part 2:Thyristor valves

Referenced Standards

GB/T 1094.1-2013 Power transformers—Part 1:General GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 13498-1992 Terminology for high-voltage direct current transmission GB/T 13498-2007 Terminology for high-voltage direct current(HVDC)transmission GB/T 13498-2017 Terminology for high-voltage direct current(HVDC)transmission GB/T 17702-2013 Capacitors for power electronics GB/T 17702-2021 Capacitors for power electronics GB/T 17702.1-1999 Power electronic capacitors—Part 1:General GB/T 17702.2-1999 Power electronic capacitors—Part 2:Requirements for disconnecting test on fuses,destruction test,self-healing test and endurance test GB/T 20989-2007 Determination of power losses in high-voltage direct current(HVDC)converter stations GB/T 20989-2017 Determination of power losses in high-voltage direct current(HVDC)converter stations GB/T 20990.1-2020 Thyristor valves for high voltage direct current (HVDC) power transmission—Part 1:Electrical testing GB/T 30425-2025 Water cooling equipment for converter valves for high voltage direct current(HVDC) ower transmission GB/T 31487.1-2015 Direct current de-icing devices—Part 1:System design and application guide GB/T 31487.3-2025 Direct current deicers—Part 3:Tests GB/T 33348-2024 Voltage sourced converter valves for high-voltage direct current power transmission—Electrical testing GB/T 34118-2017 Terminology for voltage-sourced converters(VSC) for high voltage direct current(HVDC) systems GB/T 35702.1-2017 Power losses in voltage sourced converter(VSC)valves for high-voltage direct current(HVDC)systems—Part 1:General requirements GB/T 35702.2-2017 Power losses in voltage sourced converter(VSC)valves for high-voltage directcurrent (HVDC) systems—Part 2:Modular multilevel converters GB/T 31487.1-2025 Direct current deicers—Part 1:System design

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