1. School of Automation Guangdong University of Technology Guangzhou China
2. Department of Experiment Teaching Guangdong University of Technology Guangzhou China
3. CSG Power Generation Co., LTD Guangzhou China
4. School of Physics & Optoelectronic Engineering Guangdong University of Technology Guangzhou China
5. Power Grid Planning Research Center Guangxi Power Grid Co., LTD Nanning China