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GB/T 42149-2022 English PDF

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US$359.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42149-2022: Railway application - Fixed installations - Technical specification for current protection of medium voltage power supply system based on digital communication
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42149-2022	359	Add to Cart	4 days	Railway application - Fixed installations - Technical specification for current protection of medium voltage power supply system based on digital communication	Valid

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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

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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42149-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42149-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 42149-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42149-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.