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

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    UNITROL6800勵磁系統故障引起跳機原因分析及改進

    來源:電工電氣發布時間:2016-10-19 10:19 瀏覽次數:8
    UNITROL6800勵磁系統故障引起跳機原因分析及改進
     
    賀永剛1,趙鐵英2
    (1 華潤電力焦作有限公司,河南 焦作 454001;
    2 河南理工大學 電氣工程與自動化學院,河南 焦作 454000)
     
        摘 要:介紹了一起UNITROL6800 勵磁系統故障引起的機組跳閘事故,對事故原因進行了分析與勵磁系統試驗驗證,給出相應的整改方案,并進行了抗干擾改造。實際運行情況表明,該方案提高了UNITROL6800 系統的可靠性,且有效杜絕了系統誤動作引起跳機的不良后果。
        關鍵詞:勵磁故障;誤動;脈沖閉鎖;可靠性
        中圖分類號:TM611     文獻標識碼:B     文章編號:1007-3175(2016)10-0031-0005
     
    Reason Analysis of Unit Trip Caused by UNITROL6800 Excitation
    System Fault and Improvement
     
    HE Yong-gang1, ZHAO Tie-ying2
    (1 China Resources Power Jiaozuo Co., Ltd, Jiaozuo 454001, China;
    2 School of Electrical Engineering and Automation, Henan Polytechnic University, Jiaozuo 454000, China)
     
        Abstract: Introduction was made to the unit trip accident caused by the UNITROL6800 excitation system fault. The accident cause was analyzed and the excitation system was verified. This paper gave the corresponding rectification and reform program and carried out anti-interference reform. The actual operation shows that this scheme raises the reliability of UNITROL6800 system and can eliminate adverse consequences caused by the system misoperation effectively.
        Key words: excitation system; maloperation; pulse blocking; reliability
     
    參考文獻
    [1] 楊維平,雷立超,趙海峰. UNITROL6800勵磁系統勵磁電流異常分析及處理[J]. 水電廠自動化,2014,35(3):53-54.
    [2] 潘道明. UNITROL6800勵磁系統在隔河巖水電廠中的應用[J]. 水電與新能源,2013(1):26-29.
    [3] 許其品,許其質. 勵磁系統的起勵問題[J]. 水電廠自動化,2004,25(3):63-66.
    [4] DL/T 1166—2012 大型發電機勵磁系統現場試驗導則[S].
    [5] DL/T 843—2010 大型汽輪發電機勵磁系統技術條件[S].

     

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