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电网技术  2010 

基于动态网损修正的改进交直流迭代算法

, PP. 119-122

Keywords: 有功经济调度,交直流迭代算法,动态网损修正,交流最优潮流算法,网损微增率

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Abstract:

应用于有功经济调度的交直流迭代算法无法在低发电成本条件下达到较低网损的目标。为此在直流最优潮流算法不考虑网损的基础上,借鉴经典经济调度的网损修正理论,并利用交流潮流模型计算网损及网损微增率,提出了动态网损修正方法,可对机组的边际成本参数进行修正。改进的交直流迭代算法在保证算法收敛的前提下,充分逼近了交流最优潮流算法的优化结果。IEEE30节点和IEEE118节点算例验证了该算法的可行性。

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