1. Key Laboratory of Environmental Protection of Guangdong Power Grid Co., Ltd., Electric Power Research Institute of Guangdong Power Grid Co., Ltd., Guangdong, Guangzhou, China
2. Xuefeng Mountain Energy Equipment Safety National Observation and Research Station, Chongqing University, Chongqing, China
3. Guangdong Power Grid Company Ltd., Guangdong, Guangzhou, China
4. Guangzhou Power Supply Bureau, Guangdong Power Grid Company Ltd., China Southern Power Grid, Guangzhou, China