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

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    PT故障引起定子接地保護動作的事故處理及分析

    來源:電工電氣發布時間:2016-04-05 16:05 瀏覽次數:803

    PT故障引起定子接地保護動作的事故處理及分析 

    陳熙平,季杰,陳強,王文松,曹鋼 
    錦屏水力發電廠,四川 西昌 615000 
     

    摘 要:介紹了電壓互感器(PT)故障引起定子接地保護動作的事故現象及現場處理過程,給出了保護裝置動作數據及故障錄波波形,并對保護動作情況進行了分析,為今后類似故障的分析及處理提供了參考方法,防止類似事故的發生。
    關鍵詞:電壓互感器;定子接地保護;絕緣;分析
    中圖分類號:TM77 文獻標識碼:B 文章編號:1007-3175(2013)10-0034-03


    Accident Settlement and Analysis of Stator Grounding Protection Action Caused by Voltage Transformer Fault 

    CHEN Xi-ping, JI Jie, CHEN Qiang, WANG Wen-song, CAO Gang 
    Jinping Hydropower Station, Xichang 615000, China 
     

    Abstract: Introduction was made to the accident phenomenon and onsite settlement process of stator grounding protection action caused by voltage transformer fault. This paper gave protection device action data and fault recorded waveforms, and analyzed the protection action situation, which provided reference methods for similar fault analysis and settlement late, preventing similar accidents from taking place.
          Key words: voltage transformer; stator grounding protection; insulation; analysis


    參考文獻
    [1] 張保會,尹項根. 電力系統繼電保護[M]. 北京:中國電力出版社,2005.
    [2] 張琦雪,席康慶,陳佳勝,王翔,沈全榮. 大型發電機注入式定子接地保護的現場應用及分析[J].電力系統自動化,2007,31(11):103-105.
    [3] 高赫,邵琴. 故障錄波器在電力系統中的應用[J].江蘇電機工程,2009,28(4):22-24.
     
     

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