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

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    配電變壓器標識容量小于真實容量的判斷方法

    來源:電工電氣發布時間:2016-03-14 15:14 瀏覽次數:9

    配電變壓器標識容量小于真實容量的判斷方法 

    周國良1,李特1,謝成1,章錫明2 
    1 國網浙江省電力科學研究院,浙江 杭州 310014; 2 國網浙江省電力公司杭州供電公司,浙江 杭州 310009 
     

    摘 要:針對配電變壓器大容量標成小容量問題,對累積的抽檢試驗數據進行了分析,闡述了配電變壓器直流電阻、空載損耗、負載損耗與配電變壓器容量的關系,并提出了配電變壓器容量錯標的綜合判斷方法。試驗結果表明,綜合利用直流電阻、空載損耗、負載損耗試驗數據可較為可靠地判斷配電變壓器標示容量是否小于實際容量。
    關鍵詞:配電變壓器;容量錯標;直流電阻;空載損耗;負載損耗
    中圖分類號:TM421 文獻標識碼:B 文章編號:1007-3175(2015)04-0031-04


    Judge Method for Wrong-Labeled Capacity of Distribution Transformer 

    ZHOU Guo-liang1, LI Te1, XIE Cheng1, ZHANG Xi-ming2 
    1 State Grid Zhejiang Electric Power Research Institute , Hangzhou 310014, China; 2 State Grid Hangzhou Electric Power Supply Company, Hangzhou 310009, China 
     

    Abstract: For the problem of large capacity distribution transformer marked as a small capacity, this paper analyzed the accumulated sampling test data, described the relationship among DC resistance, no-load loss, load loss and variable capacitor of distribution transformer, and put forward a comprehensive judgment method of distribution wrong-labeled capacity. The test result shows that the comprehensive utilization of DC resistance, no-load loss and load loss test data can more reliably determine whether the distribution transformer capacity labeled is less than the actual capacity.
    Key words: distribution transformer; wrong-labeled capacity; DC resistance; no-load loss; load loss


    參考文獻
    [1] 吳遠利,夏小飛,朱時陽.配電變壓器損耗與容量型號關系的分析及判斷[J].廣西電力,2009(4):13-15.
    [2] 王明偉,左繼剛.標準比對法確認配電變壓器容量[J].農村電氣化,2013(7):27-28.
    [3] 劉華勇,杜蜀薇,舒永生.阻抗電壓比較法在配變容量測試中的應用研究[C]//重慶市電機工程學會2006年學術會議論文集,2006.
    [4] 劉道生,金立軍,韓露.SCB9與SCBH15系列變壓器空載損耗與容量關系的研究[J].變壓器,2009,46(8):43-46.
     

     

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