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Study on Power Loss Reduction Considering Load Variation with Large Penetration of Distributed Generation in Smart Grid

Chang LiuXiangyu LvLi GuoLixia CaiJinxing JieKuo Su

State grid Jilin Province Power Research Institute

摘要:With the increasing of penetration of distributed in the smart grid, the problems that the power loss increasing and short circuit capacity beyond the rated capicity of circuit breaker will become more serious. In this paper, a methodology(Modified BPSO) is presented for network reconfiguration which is based on hybrid approach of Tabu Search and BPSO algorithms to prevent the local convergence and to decrease the calculation time using double fitnesses to consider the constraints. Moreover, an average load simulated method(ALS method) load variation considered is proposed that the average load value is used to instead of the actual load to calculation. Finally, from a case study, the results of simulation certify the approaches will decrease drastically the losses and improve the voltage profiles obviously, at the same time, the short circuit capacity is also decreased into less the shut-off capacity of circuit breaker. The power losses won’t be increased too much even if the short circuit capacity constraint is considered; voltage profiles are better with the constraint of short circuit capacity considering. The ALS method is simple and calculated time is speed.
会议名称:

2017 2nd Asia Conference on Power and Electrical Engineering (ACPEE2017)

会议时间:

2017-03-24

会议地点:

中国上海

  • 专辑:

    工程科技Ⅱ辑; 信息科技

  • 专题:

    电力工业; 自动化技术

  • 分类号:

    TM76

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