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    题名: A new method for calculating loss coefficients [of power systems]
    其它题名: 損失係數計算新法
    作者: Chang, Yung-chung;楊維楨;Yang, Wei-tzen;Liu, Chun-chang
    贡献者: 淡江大學經營決策學系
    关键词: digital simulation;electrical faults;load flow;losses;power system analysis computing
    日期: 1994-08-01
    上传时间: 2009-11-30 12:32:01 (UTC+8)
    出版者: Piscataway: Institute of Electrical and Electronics Engineers (IEEE)
    摘要: A method is proposed which avoids many limitations associated with traditional B-coefficient loss coefficient calculation. The proposed method, unlike the traditional B-coefficient method, is very fast and can handle line outages. The method utilizes network sensitivity factors which are established from DC load flow solutions, Line outage distribution factors (ODFs) are formulated using changes in network power generations to simulate the outaged line from the network. The method avoids the use of complicated reference frame transformations based upon Kron's tenser analysis. The necessity of data normalization used in least squares and the evaluation of the slope of θj versus PGn is not necessary with the proposed method. Using IEEE standard 14-bus and 30-bus systems, the method's results are compared against results obtained from an AC load flow program (LFED). The method's solution speed is compared to that of the LFED method, the base case database method and the conventional B-coefficient method based on Ajn-factor. The proposed method is easy to implement and, when compared to other methods, has exhibited good accuracy and rapid execution times. The method is well suited to online dispatch applications.
    關聯: IEEE transactions on power systems 9(3), pp.1665-1671
    DOI: 10.1109/59.336090
    显示于类别:[管理科學學系暨研究所] 期刊論文


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