范文编号:ZD241 范文字数:19857,页数:49
Abstract On the basis of the BP modle of multi-layer feedforward neural network ,this paper presents a short-term load forecast method for power system. According to the variation characteristics of short-term system load, a day load model which not only reflects the continuity ,periodicity and variation trend of system load but also includes the effects of weather on the load is set up as the vector sample set for training the BP neural network. Practical examples indicate that the application of ANN to short-term load forecast is feasible and effective ,and can produce more accurate results than conventional method. Key words: nerve network;Electric power system; load forcasting; fault section diagnosis
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