特高压带电作业绝缘工器具试验电压优化及安全裕度

doi:10.11930/j.issn.1004-9649.202006146

中国电力 ›› 2021, Vol. 54 ›› Issue (7): 132-140.DOI: 10.11930/j.issn.1004-9649.202006146

特高压带电作业绝缘工器具试验电压优化及安全裕度

朱凯¹, 方玉群¹, 余光凯²

1. 国网浙江省电力有限公司金华供电公司，浙江金华 321000;
2. 中国电力科学研究院有限公司，湖北武汉 430000

收稿日期:2020-06-11 修回日期:2020-09-28 发布日期:2021-07-12
作者简介:朱杰(1996-),男,硕士研究生,从事输变电装备电磁环境的研究,E-mail:zhujiencepu@163.com;卞星明(1985-),男,通信作者,博士,副教授,从事电工装备电磁环境及新材料研究,E-mail:bianxingming@ncepu.edu.cn
基金资助:
国家电网有限公司科技项目(特高压专用安全工器具研制和电力安全工器具过程管控及检测试验关键技术研究与应用，SGSDDKOOKJJS1700077)；国网浙江省电力有限公司科技项目(移动基站共址高压输电铁塔的安全检修关键技术研究及应用，5211JH18008A)

Test Voltage Optimization and Safety Margin of Insulation Tools for Live Working of UHV AC Transmission Lines

ZHU Kai¹, FANG Yuqun¹, YU Guangkai²

1. Jinhua Power Supply Company, State Grid Zhejiang Electric Power Co., Ltd, Jinhua 321000, China;
2. China Electric Power Research Institute Co., Ltd, Wuhan 430000, China

Received:2020-06-11 Revised:2020-09-28 Published:2021-07-12
Supported by:
This work is supported by Science and Technology Project of SGCC (Development of UHV Special Safety Equipment and Research and Application of Key Technologies for Process Control and Testing of Electric Safety Equipment, No.SGSDDKOOKJJS1700077) and Science and Technology Project of State Grid Zhejiang Electric Power Co., Ltd. (Research and Application of Key Technology for Safety Maintenance of High Voltage Transmission Tower with Common Location of Mobile Base Station, No.5211JH18008A)

摘要/Abstract

摘要： 针对1 000 kV特高压交流输电线路带电作业绝缘工器具的试验电压偏严格，造成工器具非正常损坏的问题，深入分析了1 000 kV交流输电线路带电作业工况下的工频及操作过电压水平，同时开展了1 000 kV特高压带电作业绝缘工器具试验的电压选取及其安全裕度研究。综合分析后提出了较为合理的试验电压以及安全裕度范围，并对提出的修订值进行了工频耐压验证试验、绝缘材料电气性能验证试验以及带电作业安全性试验验证等，充分分析并证明了其合理性。

关键词: 特高压交流输电, 带电作业, 绝缘工器具, 试验电压, 电压修订

Abstract: In view of the problem that the test voltage of live working insulation tools for 1 000 kV UHV AC transmission lines is too high, causing abnormal damage to the work tools, we made an in-depth analysis of the power frequency and operating overvoltage level for the live working condition of 1 000 kV AC transmission lines. And at the same time, a research was carried out on the voltage selection and safety margin for the 1 000 kV UHV live working insulation tool test. After comprehensive analysis, the reasonable test voltage and safety margin range are put forward, and the proposed revision values are verified by a number of tests including power frequency withstand voltage test, insulation material electrical performance test and live working safety test, which have fully proved the rationality of the proposed revision values.

Key words: UHV AC transmission, live working, insulation tools, test voltage, voltage revision

朱凯, 方玉群, 余光凯. 特高压带电作业绝缘工器具试验电压优化及安全裕度[J]. 中国电力, 2021, 54(7): 132-140.

ZHU Kai, FANG Yuqun, YU Guangkai. Test Voltage Optimization and Safety Margin of Insulation Tools for Live Working of UHV AC Transmission Lines[J]. Electric Power, 2021, 54(7): 132-140.

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特高压带电作业绝缘工器具试验电压优化及安全裕度

Test Voltage Optimization and Safety Margin of Insulation Tools for Live Working of UHV AC Transmission Lines

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特高压带电作业绝缘工器具试验电压优化及安全裕度

Test Voltage Optimization and Safety Margin of Insulation Tools for Live Working of UHV AC Transmission Lines

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