基于改进最小生成树算法并考虑负荷不确定性的配电网架最优规划OPTIMAL DISTRIBUTION NETWORK PLANNING BASED ON IMPROVED MINIMAL COST SPANNING TREE ALGORITHM AND CONSIDERING INDETERMINACY OF POWER LOADS
刘健,杨文宇,余健明,燕飞
摘要(Abstract)：
为在规划过程中考虑负荷的不确定性,提出了一种新的配电网规划优化方法。将不确定性负荷分为单条件负荷和多条件负荷两类。对于所有负荷都是单条件负荷的情形,根据流过各条边的电流的二阶原点矩确定各条边的权,在此基础上利用改进最小生成树算法获得最优规划方案。对于规划区域中存在多条件负荷的情形,将各个多条件负荷的各种可能性进行组合构成场景,对于每一个场景采用单条件负荷规划方法获得初步网架和初始费用,并分别计算该初步网架在各个场景下的补偿费用,选取初始费用与补偿费用之和的数学期望最小的方案为最优规划方案。算例分析表明了该配电网规划方法的可行性。
关键词(KeyWords)： 配电网规划;不确定规划;多场景,改进最小生成树算法;输配电工程;电力系统
基金项目(Foundation): 全国优秀博士学位论文作者专项基金资助(200137)。~~
作者(Author): 刘健,杨文宇,余健明,燕飞
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