1. Guangzhou Power Supply Bureau of Guangdong Power Grid Co., Ltd., Guangzhou 510620, China
2. China Southern Power Grid Big Data Services Co., Ltd., Guangzhou 510620, China
3. Hubei Key Laboratory of Multi-Media Pollution Cooperative Control in Yangtze Basin, School of Environmental Science & Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China