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GB/T 42149-2022: Railway application - Fixed installations - Technical specification for current protection of medium voltage power supply system based on digital communication
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| GB/T 42149-2022 | English | 359 |
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Railway application - Fixed installations - Technical specification for current protection of medium voltage power supply system based on digital communication
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GB/T 42149-2022
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PDF similar to GB/T 42149-2022
Standard similar to GB/T 42149-2022 TB/T 3111 GB/T 45658 GB/T 36287.1 Basic data | Standard ID | GB/T 42149-2022 (GB/T42149-2022) | | Description (Translated English) | Railway application - Fixed installations - Technical specification for current protection of medium voltage power supply system based on digital communication | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | S81 | | Classification of International Standard | 29.280 | | Word Count Estimation | 18,198 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2023-07-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42149-2022: Railway application - Fixed installations - Technical specification for current protection of medium voltage power supply system based on digital communication
---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.
ICS 29.280
CCSS81
National Standards of People's Republic of China
Rail transit ground device based on digital communication
Technical specification for current protection of medium voltage power supply system
Posted on 2022-12-30
2023-07-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Abbreviations 1
5 General Requirements 1
6 Basic configuration of current protection for medium voltage power supply system based on digital communication 2
6.1 Basic requirements 2
6.2 Ring network cable protection 2
6.3 Bus protection 2
6.4 Feeder protection 2
6.5 Failure protection 3
7 Current protection device and related equipment for medium voltage power supply system based on digital communication 3
7.1 Relay protection device 3
7.2 Network and its equipment 3
8 Relay protection setting 4
8.1 General requirements 4
8.2 Ring network cable protection 4
8.3 Bus protection 5
9 Test method 6
9.1 Test conditions 6
9.2 Temperature influence test 6
9.3 Limit ambient temperature test for storage and transportation 6
9.4 Power consumption test 6
9.5 Function and performance test 6
9.6 Export relay test 7
9.7 Overload capability test 7
9.8 Insulation test and insulation measurement test 7
9.9 Humid heat resistance test 7
9.10 Electromagnetic compatibility performance test 7
9.11 DC power supply change influence test 7
9.12 Simulation test of the whole group of protective functions 7
9.13 Continuous energization test 7
9.14 Mechanical requirements test 7
9.15 Safety requirements test 7
10 Correspondence between technical requirements and test methods 8
Appendix A (Normative) Composition of the GOOSE network at the process layer and the monitoring network at the station control layer within and between substations 9
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents"
drafting.
Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by the State Railway Administration.
This document is under the jurisdiction of the National Rail Transit Electrical Equipment and System Standardization Technical Committee (SAC/TC278).
This document is drafted by. China Railway Electrification Survey and Design Institute Co., Ltd., Nanjing Nanrui Jibao Electric Co., Ltd., China Railway Electrification
Bureau Group Co., Ltd., Nanjing Metro Group Co., Ltd., Beijing Sifang Jibao Automation Co., Ltd., Guodian Nari Technology Co., Ltd.
company.
The main drafters of this document. Liu Aihua, Wang Litian, Wei Wei, Lin Yunzhi, Wang Li, Dong Jie, Li Gang.
Introduction
In order to standardize the current protection application based on digital communication in the medium-voltage power supply system of rail transit, to realize the standardization and design of the schemes of various manufacturers
improve the convenience of proposing, verifying and setting standard schemes based on digital communication current protection in rail transit medium-voltage power supply systems
For profit, this document is specially formulated.
Rail transit ground device based on digital communication
Technical specification for current protection of medium voltage power supply system
1 Scope
This document specifies the technical principles, requirements and technical principles of digital communication-based current protection and related equipment in rail transit medium-voltage power supply systems.
and test methods.
This document applies to rail transit medium-voltage power supply systems.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
GB/T 14285 Technical Regulations for Relay Protection and Safety Automatic Devices
GB/T 30094 Technical Specifications for Industrial Ethernet Switches
DL/T 584 3kV~110kV Power Grid Relay Protection Device Operation Setting Regulations
DL/T 860 (all parts) Electric automation communication network and system
DL/T 1075-2016 Technical Conditions for Protection Measurement and Control Devices
DL/T 1146-2021 DL/T 860 Implementation Technical Specifications
3 Terms and Definitions
GB/T 14285, DL/T 584, DL/T 860 (all parts), DL/T 1075-2016 and the following terms and definitions apply
used in this document.
3.1
It is a system for transmitting electric energy to electrical equipment consisting of a power supply system with a voltage level of 10kV~35kV and a medium-voltage distribution network.
4 Abbreviations
The following abbreviations apply to this document.
5 General requirements
5.1 The digital communication-based current protection of the medium-voltage power supply system should not be damaged by relay protection devices, optical fiber communication channels, switches, etc.
Cause protection misoperation tripping or refusal to move.
5.2 The digital communication-based current protection of the medium-voltage power supply system does not consider the operating conditions of multiple faults of the secondary equipment.
5.3 If no other type of protection is configured in the medium-voltage power supply system, it shall be ensured that when the current protection based on digital communication fails, the medium-voltage power supply system
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