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《Proceedings of the Csee》 2002-08
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OUTLIERS' DETECTION AND ASSESSMENT IN POWER SYSTEM CONTINGENCY SELECTION

CAI Jian-zhuang , BAI Tong-shuo, HOU Zhi-jian (Electrical Power School, Shanghai Jiaotong University, Shanghai 200240, China)  
As an essential part in the power system security analysis, the whole process of contingency selection becomes more sensible by taking the probability aspect into consideration. However, due to the lack of the field data, the irregular change of the probability for the outages occurrence in certain situations could not be told for further assessment. In this paper, a method based on the Bouncing Function is proposed for discerning and calculating the outliers, which resulted in the irregular change. Calculation method is given out with the theoretical proof. By using the line outage as an example, the effect of the proposed method upon power system contingency selection is presented.
【CateGory Index】: TM732
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