GB/T 38435-2019Specification for protection configuration and setting for transmission line of electrified railway traction station (English PDF)
牵引站供电线路的继电保护配置及整定计算原则
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2019
Implementation date
July 1, 2020
Scope
GB/T 38435-2019 is the English-translated version of 牵引站供电线路的继电保护配置及整定计算原则.
GB/T 38435-2019 is the Chinese standard "Specification for protection configuration and setting for transmission line of electrified railway traction station".
Its scope clause reads: This standard specifies the basic principles, methods and requirements for the configuration and setting calculation of relay protection for the power supply lines of traction stations.
This standard is applicable to the power supply lines of traction stations for newly-built electrified railways of 110kV and above voltage levels Consider three-phase or two-phase power.
110kV and above voltage grade power grid reconstruction, expansion of the traction station power supply line of electrified railway can be consulted Follow the instructions. Its clauses include terms and definitions.
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Document preview — GB/T 38435-2019
National Standard of the People's Republic of China
- ICS
- 29.240
- Classification
- K 45
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword I
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 General
- 5 Configuration Principles of Relay Protection for Traction Station Power Lines
- 6 Setting Principles of Relay Protection for Traction Station Power Lines
- Appendix A (Informative) Example
- Appendix B (informative) Typical main wiring of a towing station
- Appendix C (informative) Typical traction transformer types
- Appendix D (Informative) Two-phase transmission line parameters
- Appendix E (informative) Calculation of traction transformer failure
1 Scope
This standard specifies the basic principles, methods and requirements for the configuration and setting calculation of relay protection for the power supply lines of traction stations.
This standard is applicable to the power supply lines of traction stations for newly-built electrified railways of 110kV and above voltage levels
Consider three-phase or two-phase power. 110kV and above voltage grade power grid reconstruction, expansion of the traction station power supply line of electrified railway can be consulted
Follow the instructions.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 2900.49 Electrician term power system protection
GB/T 14285 Technical regulations for relay protection and safety automatic devices
GB/T 15145 General technical requirements for transmission line protection devices
GB/T 18038 General technical requirements for microcomputer protection devices for traction power supply systems of electrified railways
GB/T 20840.2 Transformers Part 2. Supplementary technical requirements for current transformers
GB/T 31464 Grid Operation Guidelines
GB/T 50262 Standard for Basic Terms of Railway Engineering
DL/T 478 General technical requirements for relay protection and safety automatic devices
DL/T 559 220kV ~ 750kV Power Grid Relay Protection Device Operation Setting Regulations
DL/T 584 3kV ~ 110kV Power Grid Relay Protection Device Operation Setting Regulations
DL/T 866 Current transformer and voltage transformer selection and calculation rules
3 terms and definitions
GB/T 2900.49, GB/T 14285, GB/T 50262 and the following terms and definitions apply to this document.
3.1 Tractionpowersupplysystem
Power supply system composed of traction substation, traction network and other auxiliary power supply facilities.
3.2 Traction substation
Substations that mainly supply traction systems.
3.3 Transmissionlineofelectrifiedrailwaytractionstation
110kV and above transmission lines that lead from the power grid to the traction substation and supply the traction power supply system.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.
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