Time-frequency atom decomposition has good analysis effects on power quality disturbance signals.However,commonly-used matching pursuit(MP) algorithm has several defects,such as the heavy burdern of computation,the impacts of spacial discretization on the performance,etc.An in-depth study is conducted on the evolutionary matching pursuit(EMP) of power quality disturbance signal atom decomposition based on differential evolution(DE) algorithm.The algorithm steps are presented in detail.For several typical po...
【基金】
国家自然科学基金(51307144)~~
【更新日期】
2015-09-07
【分类号】
TM711
【正文快照】
This work is supported by National Natural Science Foundation of China(No.51307144).0引言电力系统电能质量对生产、社会和经济影响很大,一直备受工程学术界、电力用户和电力公司的关注。随着电网中大量电力电子设备和非线性负荷的应用,使得电能质量问题日益突出,对电能?
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