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

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    架空輸電線路110 kV復(fù)合絕緣子閃絡(luò)故障原因分析

    來(lái)源:電工電氣發(fā)布時(shí)間:2019-06-13 13:13 瀏覽次數(shù):764
    架空輸電線路110 kV復(fù)合絕緣子閃絡(luò)故障原因分析
     
    陳宇飛1,李玉超2,張耀男3,常彬4,陳泓5,韓宏偉4
    (1 北京國(guó)電龍?jiān)喘h(huán)保工程有限公司,北京 100039;
    2 國(guó)網(wǎng)中衛(wèi)供電公司,寧夏 中衛(wèi) 755000;3 國(guó)網(wǎng)銀川供電公司,寧夏 銀川 750002;
    4 寧夏電力能源科技有限公司,寧夏 銀川 750002;5 國(guó)網(wǎng)寧夏電力有限公司,寧夏 銀川 750001)
     
        摘 要:針對(duì)西北某地區(qū)110 kV架空輸電線路復(fù)合絕緣子閃絡(luò)故障跳閘事件,對(duì)閃絡(luò)后復(fù)合絕緣子進(jìn)行電氣性能、尺寸等方面進(jìn)行試驗(yàn),分析了故障發(fā)生時(shí)天氣情況、地理環(huán)境等,得出故障原因?yàn)橛晁斐傻膹?fù)合絕緣子濕閃絡(luò),并提出了針對(duì)性預(yù)防措施及處理建議,防止類似故障再次發(fā)生。
        關(guān)鍵詞:架空輸電線路;復(fù)合絕緣子;閃絡(luò)故障
        中圖分類號(hào):TM216     文獻(xiàn)標(biāo)識(shí)碼:B     文章編號(hào):1007-3175(2019)06-0034-03
     
    Cause Analysis of Flashover Fault of 110 kV Composite Insulator on Overhead Transmission Line
     
    CHEN Yu-fei1, LI Yu-chao2, ZHANG Yao-nan3, CHANG Bin4, CHEN Hong5, HAN Hong-wei4
    (1 Beijing Guodian Longyuan Environmental Protection Engineering Co., Ltd, Beijing 100039, China;
    2 State Grid Zhongwei Power Supply Company, Zhongwei 755000, China; 3 State Grid Yinchuan Power Supply Company, Yinchuan 750002, China;
    4 Ningxia Power Energy Technology Co., Ltd, Yinchuan 750002, China; 5 State Grid Ningxia Electric Power Co., Ltd, Yinchuan 750001, China)
     
        Abstract: In allusion to the flashover fault tripping events of composite insulators in 110 kV overhead transmission lines in a certain area of northwest region, the electrical performance and size of composite insulators after the flashover were carried out tests.This paper analyzed the weather situation and geographical conditions when the faults happened.It is concluded that the cause of the fault is the wet flashover of composite insulators caused by rainwater, and the preventive measures and treatment suggestions are put forward to prevent similar failures from happening again.
        Key words: overhead transmission lines; composite insulators; flashover fault
     
    參考文獻(xiàn)
    [1] 王濤,孫黎新,呂咸文,等.110 kV線路硅橡膠復(fù)合絕緣子閃絡(luò)故障點(diǎn)的查找[J]. 電工技術(shù),2011(2):63-64.
    [2] 吳經(jīng)鋒, 邱毓昌, 張建榮, 等. 運(yùn)行中復(fù)合絕緣子閃絡(luò)特性抽樣試驗(yàn)分析[J]. 電瓷避雷器,2002(1):10-12.
    [3] 盛慧慧,楊靜. 一起罕見(jiàn)的220 kV架空線路雷擊故障跳閘分析[J]. 電力科學(xué)與工程,2011,27(5):56-59.
    [4] 中國(guó)電器工業(yè)協(xié)會(huì). 標(biāo)稱電壓高于1 000 V的架空線路用復(fù)合絕緣子串元件 第2 部分:尺寸與特性:GB/T21421.2—2014[S]. 北京:中國(guó)標(biāo)準(zhǔn)出版社,2014:1-3.
    [5] 中國(guó)電器工業(yè)協(xié)會(huì). 標(biāo)稱電壓高于1 000 V的交流架空線路用復(fù)合絕緣子—定義、試驗(yàn)方法及驗(yàn)收準(zhǔn)則:GB/T 19519—2014[S]. 北京:中國(guó)標(biāo)準(zhǔn)出版社,2014:14-15.

     

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