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《Transactions of China Electrotechnical Society》 2008-02
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Integrated Optimization Algorithm of Dynamic Reactive Power for Distribution System

Wang Chun1, 2 Cheng Haozhong1 Chen Ken2 (1. Nanchang University Nanchang 330031 China 2. Shanghai Jiaotong University Shanghai 200240 China)  
A mixed integer dynamic reactive power optimization model, which adopts the entire system energy loss in a day as the objective function and considers the constraint of the permissible number of equipment switching, is presented. A plant growth simulation algorithm (PGSA) is used to optimize the objective function from both time and space synchronously, which avoids separating the optimization problem into two sub-problems of switching time optimization and capacity optimization. The constraints are smartly handled for improving the efficient of calculation. The proposed method is applied to IEEE 69 bus sample system and the optimal switching scheme of capacitors in a day is gained. The effect of different maximum switching number constraints on dynamic reactive power optimization results is also analyzed. Furthermore, the result based on the proposed method is compared with that based on the static optimization method. The obtained results indicate the correctness and effectiveness of the proposed method.
【Fund】: 国家自然科学基金(50747025);; 上海市重点科技攻关计划(041612012);; 中国博士后基金(20060400648)资助项目
【CateGory Index】: TM714.3
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