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《Journal of Shanghai Jiaotong University》 2005-S1
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The Application of Parameter Control Variable Based Optimal Power Flow Algorithm in Distribution Network Reactive Power Optimization

LI Hong-zhong, WANG Cheng-min, CHENG Hao-zhong(Dept. of Electrical Eng., Shanghai Jiaotong Univ., Shanghai 200030, China)  
The traditional reactive power optimization based on equal wastage ration method can not obtain a preferable scheme. And when the voltage offset is biggish it is difficult to apply equal wastage ration method because the regulation of OLTC (On-Load Tap Changer) will be applied as a voltage adjustment measure.A novel method for reactive power optimization was presented. The optimal power flow algorithm based on parameter control variable is the main measure in this method. The objective function is the minimum of the inject power on slack bus which is regarded as the real power loss. The susceptance of the capacitor and the ration of the OLTC are regarded as control variables in the reactive power optimization to overcome the disadvantages in application of equal wastage ration method in distribution network. This method also takes the change of network parameter during the reactive power optimization into account, which can improve precision and convergence. An application example on IEEE-30 system was presented at last.
【CateGory Index】: TM714
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