一种高效实用配网无功规划三次优化解析算法-an efficient and practical three-time optimization and analysis algorithm for reactive power planning in distribution network.docxVIP

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一种高效实用配网无功规划三次优化解析算法-an efficient and practical three-time optimization and analysis algorithm for reactive power planning in distribution network.docx

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一种高效实用配网无功规划三次优化解析算法-an efficient and practical three-time optimization and analysis algorithm for reactive power planning in distribution network

optimization takes into account the mutual influence of selected capacitors’ sizes and locations to make an iterative correction calculation: based on the node compensation ordering of first-phase optimization, the location and size of only one node is optimized every time with the locations and sizes of the other nodes being fixed, until the location and size of any node cannot be further improved.Because of the approximate power flow analysis of first-phase and second-phase optimization, a third-phase optimization is used to further optimize the results of second-optimization with the ac power flow analysis being employed.The propose algorithm and some other ones are applied to the an IEEE33 node test system, an IEEE33 node test system with distribution transformers being added, an actual 133 nodes feeder system, an IEEE33 node test system with distribution transformers, OLTC and DG being added, and a test system of integrated functions. The results show the effectiveness, stability and practicality of the proposed algorithm.Keywords: reactive power planning optimization; medium/low voltage distribution networks; economic net benefits ； three-phase analytical algorithm;large-scale systems目录摘要 ......................................................................................................IABSTRACT............................................................................................. II1绪论................................................................................................... 11.1研究背景及意义 ........................................................................................................... 11.2国内外研究现状 ........................................................................................................... 21.2.1 无功规划模型 ........................................................................................................... 21.2.2 无功规划方法 ...................................................................................