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

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    基于協調組合參數化的改進連續潮流計算方法

    來源:電工電氣發布時間:2021-10-21 13:21 瀏覽次數:461

    基于協調組合參數化的改進連續潮流計算方法

    陳寶平1,周思遠1,翟學2
    (1 中國電力工程顧問集團中南電力設計院有限公司,湖北 武漢 430071;
    2 湖北電力勘測設計院有限公司,湖北 武漢 430077)
     
        摘 要:基于連續潮流法對靜態電壓穩定性問題進行研究,提出了一種協調組合參數化法。在 PV 曲線的不同區域采用不同的參數化法,以當前預測次數來表征參數化切換斷點;以“接近校正不收斂”作為組合切換的判據;對切換判據的閾值進行動態設定,以使得組合切換更加合理有效?;?IEEE 標準節點系統進行仿真驗證,結果表明了所提協調組合參數化法的有效性與優越性。
        關鍵詞:連續潮流法;協調組合參數化法;參數化切換斷點;切換判據;動態切換
        中圖分類號:TM712     文獻標識碼:A     文章編號:1007-3175(2021)10-0017-05
     
    Improved Continuation Method with Coordinative
    Combination of Parameterization
     
    CHEN Bao-ping1, ZHOU Si-yuan1, ZHAI Xue2
    (1 Central Southern China Electric Power Design Institute Co., Ltd. of China Power Engineering Consulting Group, Wuhan 430071, China;
    2 POWERCHINA Hubei Electric Engineering Co., Ltd, Wuhan 430077, China)
     
        Abstract: This paper used the methodology of continuous power flow to study the static voltage stability problem and proposed a coordinated combination parameterization method. This research used different parametric methods in dissimilar parts of PV curve so that it could predict the number of times to characterize the breakpoint change of parameterization.Furthermore,“Close to Non-Convergent Correction”is used as a criterion for coordinative combination switching. At the same time, the threshold of the switching criteria is dynamically setting so that the combination switching is reasonable and efficient. Finally, based on the calculation results of the IEEE standard node system, the validity and superiority of the proposed coordinated combination of parameterization methods are verified. The results show the effectiveness and superiority of the proposed coordinated combination parameterization method.
        Key words: continuation power flow method; coordinated combination parameterization method; parameterized switching breakpoint;switching criterion; dynamic switching
     
    參考文獻
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    [2] 孫華,胡德文,李麗,等. 基于多項式回歸分析的連續潮流計算自適應步長控制策略[J] . 電力系統及其自動化學報,2020,32(11) :1-6.
    [3] CHIANG H D, FLUECK A J, SHAH K S, et al.CPFLOW: A Practical Tool for Tracing Power System Steady-State Stationary Behavior dueto Load and Generation Variations[J].IEEE Transactions on Power Systems,1995,10(2) :631-634.
    [4] LIU Chongru, Bose A, HAN Minxiao, et al.Improved continuation power flow method for AC/DC power system[C]//Electrical Power & Energy Conference,2011 :192-198.
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    [6] 張濤. 連續潮流計算中節點類型轉換預測與電壓穩定控制研究[D]. 長沙:湖南大學,2014.
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    [9] 彭寒梅,曹一家,黃小慶,等. 無平衡節點孤島運行微電網的連續潮流計算[J] . 中國電機工程學報,2016,36(8) :2057-2067.
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