(1.College of Electrical Engineering,Guizhou University,Guiyang 550025;
2.Power China,Guizhou Engineering Co.,Ltd.,Guiyang 550025;
3.College of Agriculture,Guizhou University,Guiyang 550025;
4.Grid Planning and Research Center of Guizhou Power Grid Co.,Ltd.,Guiyang 550001;
5.Guizhou Provincial Key Laboratory of “Internet+” Collaborative Intelligent Manufacturing,Guiyang 550025,China)