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

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    絕緣柵雙極型晶體管串聯閥過流保護研究

    來源:電工電氣發布時間:2018-10-17 08:17 瀏覽次數:541
    絕緣柵雙極型晶體管串聯閥過流保護研究
     
    劉磊,陳赤漢,李海英
    (南京南瑞繼保電氣有限公司,江蘇 南京 211102)
     
        摘 要:高壓絕緣柵雙極型晶體管(IGBT)串聯閥有多種過電流保護方法,提出了一種新的IGBT串聯閥過流保護技術。該技術方案包括閥組控制單元、過流檢測單元及柔性羅氏線圈,過流檢測單元檢測流過串聯閥組電流情況,并將光脈沖回報給閥組控制單元,閥組控制單元根據回報的光脈沖改變閥組觸發脈沖,從而保護高壓串聯閥組。搭建了10 kV的IGBT直接串聯式靜止同步補償器(STACOM),試驗驗證了該方案可以滿足故障保護需要。
        關鍵詞:過流保護;羅氏線圈;IGBT 直接串聯
        中圖分類號:TN322+.8     文獻標識碼:A     文章編號:1007-3175(2018)10-0030-04
     
    Research on Overcurrent Protection of Insulated Gate Bipolar Translator Series Valve
     
    LIU Lei, CHEN Chi-han, LI Hai-ying
    (NR Electric Co., Ltd, Nanjing 2111 02, China)
     
        Abstract: There are a variety of overcurrent protection methods for high-voltage insulated gate bipolar translator (IGBT) series valves. This paper presented a new kind of IGBT series valves overcurrent protection technology, whose scheme comprised a valve group control unit, an overcurrent detection unit and a flexible Roche coil. The overcurrent detection unit detected the current flow through the series valve group and returned the light pulse to the valve group control unit. The unit changes the valve group trigger pulse according to the return light pulse, thus protecting the high pressure series valve group. 10 kV IGBT direct series STACOM is built, and the feasibility of this scheme is verified in STACOM test.
        Key words: over-current protection; Rogowski coil; directly series insulated gate bipolar translator
     
    參考文獻
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    [3] BRUCKMANN M, SOMMER R, FASCHING M, et al. Series connection of high voltage IGBT modules[C]//Industry Applications Conference,1998:1067-1072.
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