1. School of Electrical Engineering and the State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, China
2. School of Electrical Engineering, Chongqing University, Chongqing, China
3. Guiyang Power Supply Bureau of Guizhou Grid Company Ltd., Guiyang, China
4. School of Resources and Safety Engineering and the State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, China
5. School of Economics and Business Administration, Chongqing University, Chongqing, China