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Method for the combination of power system operation mode based on genetic algorithm
Author(s): 
Pages: 51-55
Year: Issue:  10
Journal: Power System Protection and Control

Keyword:  relay protectionsetting calculationpower substation or plantsoperation mode combinationgenetic algorithm;
Abstract: 为了解决现有方法计算速度慢且准确度低的问题,提出了一种利用遗传算法求解运行方式组合的方法.首先,将厂站的运行方式反映到电网节点阻抗矩阵中,进而将整定计算所需的故障电流和分支系数用节点阻抗矩阵元素表示.然后,分别以最大、最小故障电流和分支系数为目标,建立了求解最优厂站运行方式组合的数学模型.最后,考虑到模型离散、非线性的特点,利用遗传算法进行求解,得到各种极端情况下的厂站运行方式组合.该方法能快速准确地找出整定计算所需的厂站运行方式组合.通过算例验证了该方法的正确性和实用性.
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