柴玉华,李辰月,蒋祝巍.Coiflet小波和多目标优化在直流接地故障检测中的应用[J].电测与仪表,2016,53(2):. CHAI Yu-hua,LI Chen-yue,JIANG Zhu-wei.The application in the detection of DC system grounding fault based on coiflet wavelet and multi-target optimization[J].Electrical Measurement & Instrumentation,2016,53(2):.
Coiflet小波和多目标优化在直流接地故障检测中的应用
The application in the detection of DC system grounding fault based on coiflet wavelet and multi-target optimization
The low frequency signal injection method is one of the DC system grounding fault detection methods. The detection accuracy is high and easy to operate. But it also easy to be impacted by the large amount of ground capacitance. To avoid this interference, this text raise a method combined the data extraction based on coiflet wavelet transform and the data processing base on multi-target optimization. This method decrease the affect by the ground capacitance. With the simulation verification in matlab, the result prove the method has increase the accuracy in DC system grounding fault detection indeed.
