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GB/T 22390.5-2026Control and protection equipment of high-voltage direct current (HVDC) transmission systems - Part 5: DC line fault location devices (English PDF)

高压直流输电系统控制与保护设备　第5部分：直流线路故障定位装置

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

January 28, 2026

Implementation date

August 1, 2026

Scope

GB/T 22390.5-2026 is the English-translated version of 高压直流输电系统控制与保护设备　第5部分：直流线路故障定位装置.

GB/T 22390.5-2026 is the Chinese standard "Control and protection equipment of high-voltage direct current (HVDC) transmission systems - Part 5: DC line fault location devices".

Its scope clause reads: This document specifies the technical requirements, test methods, inspection rules, and packaging for fault location devices on DC lines of high-voltage direct current transmission systems.

Transportation, storage, marking, labeling, instruction manuals, completeness of supply, and quality assurance, etc. This document applies to fault location devices for DC lines at the station end of ±500kV and below high-voltage DC transmission systems (hereinafter referred to as "devices"). Its clauses include terms and definitions.

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Document preview — GB/T 22390.5-2026

National Standard of the People's Republic of China

ICS: 29.240.01
Classification: K 45
Replacing: GB/T 22390.5-2008

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
Introduction
1.Scope
2 Normative References
3.Terms and Definitions
4.Technical Requirements
5.Test Methods 8.
6.Inspection Rule
7.Markings, labels, and instruction manuals
8 Packaging, transportation, and storage
9.Completeness of Supply
10 Quality Assurance

1 Scope

This document specifies the technical requirements, test methods, inspection rules, and packaging for fault location devices on DC lines of high-voltage direct current transmission systems.

Transportation, storage, marking, labeling, instruction manuals, completeness of supply, and quality assurance, etc.

This document applies to fault location devices for DC lines at the station end of ±500kV and below high-voltage DC transmission systems (hereinafter referred to as "devices").

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 2887-2011 General Specifications for Computer Venues

GB/T 2900.49 Electrical Engineering Terminology - Power System Protection

GB/T 4208-2017 Degrees of protection provided by enclosures (IP code)

GB/T 7261-2016 Basic Test Methods for Relay Protection and Safety Automatic Devices

GB/T 9361-2011 Safety Requirements for Computer Sites

GB/T 9969 General Rules for Instructions for Use of Industrial Products

GB/T 11287-2000 Electrical relays – Part 21.Vibration, shock, impact and earthquake of measuring relays and protective devices

Experiment 1.Vibration Experiment (Sine Wave)

GB/T 13498 Terminology for High Voltage Direct Current Transmission

GB/T 14537-1993 Shock and impact tests on measuring relays and protective devices

GB/T 14598.24 Measuring relays and protective devices – Part 24.Transient data exchange (COMTRADE) for power systems

Use format

GB/T 14598.26-2025 Measuring relays and protective devices – Part 26.Electromagnetic compatibility requirements

GB/T 14598.27-2025 Measuring relays and protective devices – Part 27.Product safety requirements

GB/T 17626.9-2011 Electromagnetic compatibility testing and measurement techniques - Pulse magnetic field immunity test

GB/T 17626.10-2017 Electromagnetic compatibility testing and measurement techniques - Damped oscillating magnetic field immunity test

GB/T 32890 Engineering Application Model of Relay Protection and IEC 61850

DL/T 357-2019 Technical Conditions for Traveling Wave Fault Location Devices for Transmission Lines

NB/T 10448-2020 Specification for Testing Traveling Wave Fault Location Devices for Transmission Lines

3 Terms and Definitions

The terms and definitions defined in GB/T 2900.49 and GB/T 13498, as well as the following terms and definitions, apply to this document.

3.1

A system that uses a standard time source to provide a unified time synchronization signal for DC line fault location devices.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 18 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 61850

Cited by

Editions of GB/T 22390.5

Edition	Title	Revision	Status
GB/T 22390.5-2026	Control and protection equipment of high-voltage direct current (HVDC) transmission systems - Part 5: DC line fault location devices	current edition	Current
GB/T 22390.5-2008	Control and protection equipment of high-voltage direct current (HVDC) transmission systems - Part 5: DC line fault location devices	previous edition	Superseded

This page sells the current edition, GB/T 22390.5-2026. Earlier editions are listed for reference only.

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