1. Anhui University,School of Electrical Engineering and Automation Anhui Key Laboratory of Industrial Energy-Saving and Safety,Hefei,China
2. Ministry of Education Anhui University,School of Electrical Engineering and Automation Engineering Research Center of Power Quality,Hefei,China
3. Anhui Power Exchange Center Co., Ltd,Transaction Department,Hefei,China
4. Anhui University,Anhui Collaborative Innovation Center of Industrial Energy-Saving and Power Quality Control,Hefei,China