1Guizhou Power Grid Co., Ltd. Power Grid Planning and Research Center, Duyun Power Supply Bureau, Guiyang, Guizhou, 550003, China
2Guizhou Power Grid Co., Ltd. Power Grid Planning and Research Center, Tongren Power Supply Bureau, Guiyang, Guizhou, 550003, China
3Shanghai Jiao Tong University, Shanghai, 200240, China