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GB/T 34869-2017 English PDF

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GB/T 34869-2017: Metal-oxide varistor for the protection of series compensation capacitor banks sets
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PDF similar to GB/T 34869-2017


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Basic data

Standard ID GB/T 34869-2017 (GB/T34869-2017)
Description (Translated English) Metal-oxide varistor for the protection of series compensation capacitor banks sets
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K49
Classification of International Standard 29.080.99
Word Count Estimation 27,271
Date of Issue 2017-11-01
Date of Implementation 2018-05-01
Regulation (derived from) National Standard Announcement 2017 No. 29
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 34869-2017: Metal-oxide varistor for the protection of series compensation capacitor banks sets


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Metal-oxide varistor for the protection of series compensation capacitor banks sets ICS 29.080.99 K49 National Standards of People's Republic of China Series Compensator Capacitor Bank Protection Metal Oxide pressure limiter Metal-oxide varistorfortheprotectionofseriescompensation Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword V. 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 logo 4 5 operating conditions 4 5.1 normal operating conditions 4 5.2 abnormal operating conditions 4 6 technical requirements 4 6.1 MOV jacket insulation resistance 4 6.2 reference voltage 5 6.2.1 MOV frequency reference voltage 5 6.2.2 MOV DC reference voltage 5 6.3 continuous operation current 5 6.4 0.75 times the DC reference voltage leakage current 5 6.5 residual pressure 5 6.6 Partial discharge 5 6.7 MOV sealing performance 5 6.8 current distribution test 5 6.9 Repeated energy tolerance test 5 6.10 accelerated aging test 6 6.11 Thermal proportional unit verification test 6 6.12 energy tolerance and power frequency voltage stability 6 6.13 Short-circuit current test 6 6.14 Mechanical load 6 6.14.1 MOV bending load 6 6.14.2 To withstand seismic forces 6 6.15 coat the appearance of inspection 6 6.16 climate aging test 6 6.17 Moisture Immersion Test 6 6.18 resistance to contamination 7 7 Test Requirements 7 7.1 Measurement Equipment and Uncertainty 7 7.2 Test Sample 7 8 Test Method 7 8.1 General 7 8.2 MOV jacket insulation resistance test 8 8.3 frequency reference voltage measurement 8 8.4 DC reference voltage measurement 8 8.5 Continuous operation current test 9 8.6 0.75 times the DC reference voltage leakage current test 9 8.7 residual pressure test 9 8.7.1 General 9 8.7.2 Operational impact residual pressure test 9 8.8 Partial discharge test 9 8.9 sealing performance test 9 8.10 current distribution test 10 8.11 Repeat energy tolerance test 10 8.12 accelerated aging test 10 8.13 Thermal proportional unit verification test 11 8.14 energy tolerance and power frequency voltage stability test 13 8.15 Short-circuit current test 14 8.16 Mechanical load test 14 8.17 Exterior inspection of the jacket 14 8.18 Climate Aging Tests 14 8.19 Moisture Immersion Test 14 8.20 anti-fouling performance test 15 Inspection rules 15 9.1 General 15 9.2 Type test 15 9.3 Sampling test 15 9.4 Routine test 15 10 Packaging, transport and storage 16 10.1 Packaging 16 10.2 Technical documentation provided with the product 16 10.3 Transportation and Custody 16 Appendix A (Informative) Capacitor Bank access to the system typical characteristics 17 Appendix B (Normative) MOV model structure 18 Appendix C (Normative) Abnormal operating conditions 19 Appendix D (informative) current distribution test method 20 References 22 Figure 1 accelerated aging test power loss - time curve 11 Figure 2 energy tolerance and power frequency voltage stability test procedures Figure 13 Figure A.1 Typical current-time curve during capacitor bank access to the system after a fault and lost parallel connection 17 Figure B.1 MOV Model Structure 18 Table 1 MOV type test items 8 Table 2 MOV sampling pilot project 15 Table 3 MOV routine test project 15 Table A.1 Capacitor banks typically withstand overload and swaying currents 17

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Electrical Equipment Industry Association. This standard by the National Standardization Technical Committee arrester (SAC/TC81) centralized. This standard was drafted unit. Nanyang Golden Delicious Electric Co., Ltd., China Southern Power Grid Research Institute Co., Ltd., Xi'an high-voltage electrical research Hospital limited liability company, Wuhan Branch of China Electric Power Research Institute, China Electric Power Research Institute, Xi'an Shendian Electric Co., Ltd., Ping Gao East Chi (Langfang) Arrester Co., Ltd., Fushun Electric Porcelain Manufacturing Co., Ltd., China Power Engineering Consultants Group Southwest Electric Power Design Institute Co., Ltd., Xi'an West lightning arrester limited liability company, Shenzhen ABB Silver Star Surge Arrester Co., Ltd., Anhui day Electrical Technology Co., Ltd. The main drafters of this standard. Zhao Dongyi, Hu Shuhui, Cai Hansheng, Tian Enwen, Wang Baoshan, Zhang Boxu, Liu Fang, Li Fan, Zhang Jinbo, Jia Dongxu, Song Jijun, Tang Xiaozhong, Xiong Yi, Hu Xiao, Cheng Wenyi, Huang Yong, Jia Lei, Zhang Yimin, He Jiamou, Dong Qinxiao, Gong Zhengquan, Ai Jianhong. Series Compensator Capacitor Bank Protection Metal Oxide pressure limiter

1 Scope

This standard specifies the AC power system series compensation capacitor capacitor protection metal oxide voltage limiter (hereinafter referred to as MOV) Terms and definitions, operating conditions, technical requirements, test requirements, test methods, inspection rules and packaging. This standard applies to AC power system series compensation capacitor capacitor group protection porcelain coat and composite coat MOV.

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 772 high voltage insulator porcelain pieces of technical conditions GB/T 2900.12 Electrotechnical terminology arrester, low voltage surge protector and components GB/T 2900.19 Electrotechnical terminology high voltage test techniques and insulation coordination GB/T 6115.1 Series capacitors for power systems - Part 1. General GB/T 6115.2 Series capacitors for power systems Part 2. Protection devices for series capacitor banks GB/T 11032-2010 AC gapless metal oxide surge arresters GB/T 16927.2 high voltage test techniques - Part 2. Measurement system GB/T 16927.4 high voltage and high current test techniques - Part 4. Test current and measurement system definitions and requirements JB/T 7618 arrester seal test

3 Terms and definitions

GB/T 2900.12, GB/T 2900.19, GB/T 11032-2010, GB/T 6115.1 and GB/T 6115.2 defined under Terms and definitions apply to this document. 3.1 Metal oxide voltage limiter Overvoltage protection device consisting of non-linear metal oxide resistive sheet. It is connected in parallel across the series of compensation capacitor banks for limiting Overvoltage across the capacitor bank. Note 1. GB/T 6115.2 also known as non-linear resistors, variable resistors. Note 2. Terminology used when it is not necessary to distinguish between metal oxide voltage limiter elements, metal oxide voltage limiter elements or metal oxide voltage limiter sets. 3.2 Varistorcolumn A column composed of one or more sheets of non-linear metal oxide resistive sheet in series. In general, there is one or more posts within the MOV element Pillar in series and (or) parallel.

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