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
[ "朱凯(1988—),男,通信作者,工程师,从事输电线路带电作业技术、电力系统安全防护等研究,E-mail:zhukai0729@163.com" ]
[ "方玉群(1977—),男,高级工程师,从事输电线路带电作业技术管理、电力系统安全防护等研究,E-mail:326947638@qq.com" ]
收稿:2020-06-11,
修回:2020-09-28,
纸质出版:2021-07-05
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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.
Kai ZHU, Yuqun FANG, Guangkai YU. 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.
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. DOI: 10.11930/j.issn.1004-9649.202006146.
Kai ZHU, Yuqun FANG, Guangkai YU. 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. DOI: 10.11930/j.issn.1004-9649.202006146.
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。
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.
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