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

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    一種針對屋頂光伏系統的電能質量評估方法研究

    來源:電工電氣發布時間:2019-11-19 14:19 瀏覽次數:582
    一種針對屋頂光伏系統的電能質量評估方法研究
     
    史恒逸
    (南京理工大學 自動化學院, 江蘇 南京 210094)
     
        摘 要:層次分析法(AHP)是電能質量評估的一種常用方法,但易受到主觀意志的干擾。研究了一種將層次分析法與熵權法結合形成主客觀結合的電能質量評估方法,通過引入熵權法將各指標的實際波動情況引入權重計算中,以此減小主觀因素對權重分配的干擾。介紹了電能質量的綜合評估流程,對電能各指標權重系數的計算進行了闡述,仿真實驗表明該種方法得出的電能質量更加符合實際情況。
        關鍵詞:光伏;電能質量;綜合評估;層次分析法;熵權法
        中圖分類號:TM714     文獻標識碼:A     文章編號:1007-3175(2019)11-0001-04
     
    Comprehensive Evaluation of Power Quality of Rooftop Photovoltaic Access System Based on
    Improved AHP and Entropy Weight Method
     
    SHI Heng-yi
    (School of Automation, Nanjing University of Science and Technology, Nanjing 210094, China)
     
        Abstract: The analytic hierarchy process (AHP) is a commonly used method for the power quality assessment, but it is easily disturbed by subjective will. This paper researched on a kind of power quality assessment method combined the AHP with the entropy weight method including subjective and objective elements. The entropy weight method was used to make the actual fluctuation of each index introduced to the weight calculation, so as to reduce the interference of small subjective factors on the weight distribution. Introduction was made to the comprehensive assessment process of power quality and expounded each index weight coefficient calculation. The simulation results show that the power quality obtained by this method is more in line with the actual situation.
        Key words: photovoltaic; power quality; comprehensive evaluation; analytic hierarchy process; entropy weight method
     
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