1. Key Laboratory of Modern Power System Simulation and Control & Renewable Energy Technology Ministry of Education (Northeast Electric Power University) Jilin China
2. Zhongshan Power Supply Bureau of Guangdong Power Grid Co. Ltd. of China Southern Power Grid Company Limited Zhongshan China
3. Pingdingshan Power Supply Company State Grid Henan Power Company No. 6, South Section of Xinhua Road Shareholding Pingdingshan China