直流斷路器用快速機(jī)械開關(guān)的試驗(yàn)研究
王衛(wèi)東1,邢文奇2,孫珂珂1
(1 平高集團(tuán)有限公司,河南 平頂山 467001;2 河南省高壓電器研究所有限公司,河南 平頂山 467001)
摘 要:根據(jù)張北500 kV柔性輸電工程及混合式直流斷路器技術(shù)要求,分析了混合式直流斷路器快速機(jī)械開關(guān)應(yīng)用工況設(shè)計(jì)要求, 并確定試驗(yàn)參數(shù)。提出了滿足混合式高壓直流斷路器要求的快速機(jī)械開關(guān)動(dòng)態(tài)耐壓性能及滿足系統(tǒng)工況要求特殊電流耐受試驗(yàn)原理的試驗(yàn)方法,設(shè)計(jì)了試驗(yàn)回路,分析了試驗(yàn)方法的可行性。該試驗(yàn)方法及回路設(shè)計(jì)對(duì)直流斷路器的設(shè)計(jì)研發(fā)具有指導(dǎo)性。
關(guān)鍵詞:混合式直流斷路器;快速機(jī)械開關(guān);動(dòng)態(tài)絕緣試驗(yàn);短時(shí)電流耐受試驗(yàn)
中圖分類號(hào):TM561 文獻(xiàn)標(biāo)識(shí)碼:B 文章編號(hào):1007-3175(2018)09-0046-06
Test Study of High-Speed Switch for Direct Current Circuit Breaker
WANG Wei-dong1, XING Wen-qing2, SUN Ke-ke1
(1 Pinggao Group Co., Ltd, Pingdingshan 467001, China;
2 Henan High Voltage Apparatus Research Institute Co., Ltd, Pingdingshan 467001, China)
Abstract: Based on the technical requirements of the 500 kV flexible transmission project and the hybrid direct current circuit breaker in Zhangbei, this paper analyzed the design requirements for the application conditions of high-speed mechanical switch of the hybrid direct current circuit breaker and determined the test parameters. This paper proposed the dynamic pressure-resistant properties of high-speed mechanical switch meeting the requirement of hybrid high-voltage direct current circuit breaker and the requirement of the system working condition, the test method of special current tolerance test principle. The test circuit was designed and the feasibility of test method was analyzed. The test method and circuit design are instructive to the design and development of direct current circuit breaker.
Key words: hybrid direct current circuit breaker; high-speed mechanical switch; dynamic insulation test; short-time withstand current test
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