基于二阶网损无功灵敏度矩阵的配电网无功补偿选点Optimal Location of Reactive Power Compensation for Distribution Network Based on Second Order Loss-Reactive Power Sensitivity Matrix
高慧敏;章坚民;江力;
摘要(Abstract):
目前配电网无功优化规划多采用灵敏度分析等方法来确定配电网无功补偿点。传统的灵敏度分析方法以补偿前节点灵敏度来选择补偿点,依赖补偿前网络潮流,选出的点容易集中在重负荷支路,导致补偿范围重叠,无功补偿可能并非最优。为此,提出了二阶网损无功灵敏度矩阵的计算方法,并基于此提出了配电网无功补偿选点方法,考虑了后选补偿节点补偿容量对先选补偿节点灵敏度的影响。算例结果验证了该方法的有效性。
关键词(KeyWords): 二阶网损无功灵敏度矩阵;灵敏度分析;配电网;无功补偿;无功补偿选点
基金项目(Foundation): 国家自然科学基金项目(51307038);; 浙江省自然科学基金项目(LZ12E07001)~~
作者(Author): 高慧敏;章坚民;江力;
Email:
DOI: 10.13335/j.1000-3673.pst.2014.07.040
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