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《Proceedings of the Csee》 2003-01
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STUDY ON THE ALGORITHM FOR DYNAMIC REACTIVE POWER OPTIMIZATION OF DISTRIBUTION SYSTEMS

REN Xiao-juan,DENG You-man,ZHAO Chang-cheng,ZHAO Da-pu ( Dept. of Electrical Engineering , Tsinghua University, Beijing 100084, China)  
Load variation is taken into consideration in power system dynamic reactive power optimization. An algorithm for dynamic optimization of the whole medium-high voltage distribution network is presented in this paper. This algorithm simplifies the mathematical model of unknown control variables, determines the assumed switching time of control devices and then converts the dynamic optimization model into the same one as static optimization. Therefore, every method used to solve static optimization can be used to solve the dynamic model as a whole. This methodology is not only simple in modeling, but also easy in integrating into the existing static optimization module. The test results have shown that the presented algorithm can reduce daily energy loss and raise the ratio of qualified voltage under the constraint of maximal allowable daily operating times, as well as satisfy the needs of real-time operation.
【Fund】: 国家自然科学基金项目(50007006)。~
【CateGory Index】: TM714.4
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