1. South China University of Technology,School of Electronic and Information Engineering,Guangzhou,P.R. China
2. Sun Yat-Sen University,School of Intelligent Systems Engineering,Guangzhou,P.R. China
3. Electric Power Research Institute,China Southern Power Grid Co., Ltd,Guangzhou,P.R. China
4. Guangdong Power Grid Co., Ltd,Electric Power Dispatch & Control Center,Guangzhou,P.R. China