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    Suzhou Electric Appliance Research Institute
    期刊號(hào): CN32-1800/TM| ISSN1007-3175

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    一起1 000 kV彈簧機(jī)構(gòu)隔離開關(guān)拒動(dòng)故障分析與處理

    來源:電工電氣發(fā)布時(shí)間:2022-09-26 15:26 瀏覽次數(shù):376

    一起1 000 kV彈簧機(jī)構(gòu)隔離開關(guān)拒動(dòng)故障分析與處理

    陳旭東1,潘巖1,趙恒陽2,黃偉民2,馬凱1
    (1 國網(wǎng)安徽省電力有限公司超高壓分公司,安徽 合肥 230009;
    2 國網(wǎng)安徽省電力有限公司,安徽 合肥 230031)
     
        摘 要:彈簧機(jī)構(gòu)的動(dòng)作可靠性關(guān)乎設(shè)備運(yùn)行安全穩(wěn)定運(yùn)行。以某特高壓變電站 1 000 kV GIS 彈簧機(jī)構(gòu)隔離開關(guān)拒動(dòng)故障為例,對(duì)故障進(jìn)行排查并分析原因,發(fā)現(xiàn)隔離開關(guān) B 相電機(jī)在操作前已經(jīng)損壞,從而導(dǎo)致操動(dòng)機(jī)構(gòu)及隔離開關(guān)拒動(dòng)。根據(jù)故障原因從更換操動(dòng)機(jī)構(gòu)電機(jī)、更換剎車電阻等方面提出針對(duì)性解決方案與后期運(yùn)行維護(hù)建議,以期對(duì)超特高壓隔離開關(guān)的運(yùn)行維護(hù)提供參考。
        關(guān)鍵詞: 彈簧機(jī)構(gòu);隔離開關(guān);拒動(dòng);運(yùn)行維護(hù)
        中圖分類號(hào):TM564.1     文獻(xiàn)標(biāo)識(shí)碼:B     文章編號(hào):1007-3175(2022)09-0030-04
     
    Analysis and Handling of Disconnector Refusal to Move of a
    1 000 kV Spring Mechanism
     
    CHEN Xu-dong1, PAN Yan1, ZHAO Heng-yang2, HUANG Wei-min2, MA Kai1
    (1 Extra High Voltage Branch of State Grid Anhui Electric Power Co., Ltd, Hefei 230009, China;
    2 State Grid Anhui Electric Power Co., Ltd, Hefei 230031, China)
     
        Abstract: The reliable action of the spring mechanism is vital to the safe and stable operation of the equipment. This paper took the failure of a 1 000 kV GIS of spring mechanism disconnector refusal to move in a UHV substation as an example, investigating and analyzing the cause. It discovered that the B-phase electrical generator of the refusal to move was broke down before the operation. And the broken down caused the disconnector failure. This research proposes solutions and operation and maintenance suggestions, such as changing the motor actuator or changing the braking resistor, and it provides a reference to the operation and maintenance of the UHV spring mechanism disconnector.
        Key words: spring mechanism; disconnector; refusal to move; operation and maintenance
     
    參考文獻(xiàn)
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    [2] 藍(lán)增玨.1 000 kV 特高壓戶外交流隔離開關(guān)選型及技術(shù)條件[J]. 電力設(shè)備,2005(5):17-20.
    [3] 吳彤,夏天,李紅兵,周金海,陳雋,李勁彬. 一起隔離開關(guān)機(jī)構(gòu)失效引起的 GIS 絕緣故障分析[J].高壓電器,2022,58(3):210-214.
    [4] 劉新波,高國英,李雷. 隔離開關(guān)操動(dòng)機(jī)構(gòu)誤動(dòng)作原因分析及改進(jìn)措施[J] . 電氣制造,2015(2):68-70.
    [5] 王德志. 變電站隔離開關(guān)電動(dòng)機(jī)構(gòu)改造[J] . 農(nóng)村電氣化,2009(5):57-58.
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