GB/T 38435-2019 English PDF

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GB/T 38435-2019: Specification for protection configuration and setting for transmission line of electrified railway traction station
Status: Valid

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Basic data

Standard ID: GB/T 38435-2019 (GB/T38435-2019)
Description (Translated English): Specification for protection configuration and setting for transmission line of electrified railway traction station
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K45
Classification of International Standard: 29.240
Word Count Estimation: 26,232
Date of Issue: 2019-12-31
Date of Implementation: 2020-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 38435-2019: Specification for protection configuration and setting for transmission line of electrified railway traction station

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Specification for protection configuration and setting for transmission line of electrified railway traction station ICS 29.240 K45 National Standards of People's Republic of China Traction station power line Relay protection configuration and setting calculation principles 2019-12-31 release 2020-07-01 implementation State Administration of Market Supervision Published by the National Standardization Administration

Contents

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 General 2 5 Configuration Principles of Relay Protection for Traction Station Power Lines 2 6 Setting Principles of Relay Protection for Traction Station Power Lines 3 Appendix A (Informative) Example 12 Appendix B (informative) Typical main wiring of a towing station 13 Appendix C (informative) Typical traction transformer types 17 Appendix D (Informative) Two-phase transmission line parameters 19 Appendix E (informative) Calculation of traction transformer failure 20

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the China Electricity Enterprise Federation. Please note that some elements of this document may involve patents. The issuer of this document is not responsible for identifying these patents. This standard was drafted. China Southern Power Grid Power Dispatching Control Center, State Grid Power Dispatching Control Center, State Grid Northwest Power Dispatching Control Sub-center, State Grid North China Power Regulation Sub-center, State Grid Jiangsu Power Dispatching Control Center, State Grid Jiangxi Power Dispatching Control Center, Hebei Electric Power Power Dispatching Control Center, Gansu Provincial Electric Power Company Dispatching Control Center, Yunnan Power Grid Co., Ltd. Zhaotong Power Supply Bureau, Guangzhou Power Supply Bureau Limited Company, Guangdong Power Grid Co., Ltd. Foshan Power Supply Bureau, Huazhong University of Science and Technology, Southwest Jiaotong University, Beijing Jiaotong University, Nanjing Nanrui Jibao Electric Co., Ltd., Beijing Sifang Jibao Automation Co., Ltd., Changyuan Shenrui Jibao Automation Co., Ltd., Guodian Nanjing Automation Co., Ltd. Co., Ltd., Xu Ji Electric Co., Ltd. The main drafters of this standard. Chen Zhaohui, Qiu Jian, Ding Xiaobing, Zhang Zhi, Yu Rongqiang, Zhang Jianjian, Zheng Shaoming, Wang Ping, Li Zhihong, Chang Fengran, Chen Xin, Cao Jie, Wang Yueqiang, Li Yinhong, Han Zhengqing, Ni Pinghao, Dai Guangwu, Hong Liqiang, Du Zhaoqiang, Zheng Bingbing, Xue Mingjun, Li Wenzheng. Traction station power line Relay protection configuration and setting calculation principles

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. ......

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