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电网技术  2011 

间接预测法在母线负荷预测中的应用

, PP. 177-182

Keywords: 母线负荷预测,小电源,负荷转供,下网负荷,间接预测

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Abstract:

为避免220kV母线供电区域内负荷转供、停电以及小电源等因素对母线负荷预测的不利影响,提出了一种间接预测母线负荷的方法。首先把母线下网负荷转换成该母线供电区域内的理想用电负荷,再将该理想用电负荷作为历史负荷数据采用系统负荷预测的算法进行预测得到初步预测结果,同时获取待预测日各种影响因素的值,初步预测结果剔除各种影响因素间接预测出母线下网负荷值。实例证明了相对于以母线下网负荷值作为历史数据的直接预测法,该方法的应用对供电区域内含有小电源的母线负荷预测的准确率有着明显的提高。

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