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GB/T 35721-2017 English PDF

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GB/T 35721-2017: Distributed fault diagnosis system of transmission lines
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Basic data

Standard ID GB/T 35721-2017 (GB/T35721-2017)
Description (Translated English) Distributed fault diagnosis system of transmission lines
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard F23
Classification of International Standard 29.240.20
Word Count Estimation 38,383
Date of Issue 2017-12-29
Date of Implementation 2018-07-01
Regulation (derived from) National Standards Bulletin 2017 No. 32
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 35721-2017: Distributed fault diagnosis system of transmission lines

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Distributed fault diagnosis system of transmission lines ICS 29.240.20 F23 National Standards of People's Republic of China Transmission Line Distributed Fault Diagnosis System 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 classification and system composition 2 5 technical requirements 3 6 test methods 8 7 Inspection rules 13 8 logo, packaging, transportation and storage 15 Appendix A (informative) typical fault traveling wave current waveform 16 Appendix B (Normative) Transmission Line Fault Diagnosis Based on Distributed Monitoring 21 Appendix C (Normative) Monitoring Terminal Installation Construction and Maintenance Specifications 24 Appendix D (Normative) Failure diagnosis simulation test method 25

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Electricity Council. This standard by the National Standardization Technical Committee overhead lines (SAC/TC202) centralized. This standard drafting unit. Guangdong Power Grid Co., Ltd. Electric Power Research Institute, China Electric Power Research Institute, Wuhan Three-phase Power Branch Technology Co., Ltd., State Grid Electric Power Research Institute, Guangdong Power Grid Co., Ltd., China Southern Power Grid Co., Ltd., State Grid Fujian Power Power Company overhaul branch, Guangzhou Power Supply Bureau Co., Ltd., Huizhou Power Supply Bureau of Guangdong Power Grid, State Grid Jiangsu Power Company overhaul branch. The main drafters of this standard. Peng Xiangyang, Yi Hui, Qian Guanjun, Hu Feng, Wang Rui, Chen Jiahong, Cai Huanqing, Zhang Lihua, Zhou Huamin, Fan Lingmeng, Wu Hong, Xu Jikui, Ding Tao, Liu Zhen Yao, Rao Zhang Quan, Li Xin, Huang Yong. Transmission Line Distributed Fault Diagnosis System

1 Scope

This standard specifies the transmission line distributed fault diagnosis system classification and system components, technical requirements, test methods, test rules to And product logo, packaging, transportation, storage requirements. This standard applies to 110 (66) kV and above AC-DC transmission line voltage distribution fault diagnosis system, 35kV AC line Can refer to adopt.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 191 Packaging - Pictorial signs GB/T 2317.1 Test methods for electrical fittings - Part 1. Mechanical tests GB/T 2317.2 Test methods for electrical fittings - Part 2. Corona and radio interference tests GB/T 2423.1 Environmental testing for electric and electronic products Part 2. Test methods Test A. Low temperature GB/T 2423.2 Environmental testing for electric and electronic products Part 2. Test methods Test B. High temperature GB/T 2423.4 Environmental testing for electric and electronic products Part 2. Test methods Test Db. Alternating hot and humid (12h 12h cycle) GB/T 2423.10 Environmental testing for electric and electronic products Part 2. Test methods Test Fc. Vibration (sinusoidal) GB/T 2900.51 Electrotechnical terminology overhead lines GB/T 4208 enclosure protection (IP code) GB/T 6587 electronic measuring instruments common specifications GB/T 16422.1 Plastics - Laboratory exposure test methods - Part 1. General GB/T 16422.2 Plastics - Laboratory exposure test methods - Part 2. Xenon arc lamps GB/T 16927.4 high voltage and high current test techniques - Part 4. Test current and measurement system definitions and requirements GB/T 17626.2 Electromagnetic compatibility test and measurement techniques Electrostatic discharge immunity test GB/T 17626.3 Electromagnetic compatibility testing and measurement techniques RF electromagnetic field immunity test GB/T 17626.8 Electromagnetic compatibility test and measurement techniques Power frequency magnetic field immunity test GB/T 17626.9 Electromagnetic compatibility test and measurement techniques pulsed magnetic field immunity test GB/T 21671 LAN technology based on the acceptance test specification GB/T 31235 ± 800kV DC transmission line fittings technical specifications Design code for 110 kV ~ 750 kV overhead transmission lines GB 50545

3 Terms and definitions

GB/T 2900.51 defined and the following terms and definitions apply to this document. 3.1 Distributed fault diagnosis system distributedfaultdiagnosissystem By the distributed installation of transmission lines in the wire monitoring terminal and the central station, the user system, the transmission line trip fault Point positioning and fault identification system.

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