1. Sci-tech information branch Jinhua Bada Group Co. LTD,Jinhua,China
2. LTD. Jinhua Power Supply Company,Development Planning Department State Grid Zhejiang Electric Power Co.,Jinhua,China
3. State Grid Zhejiang Electric Power Co, LTD. Jinhua Power Supply Company,Development Planning Department,Jinhua,China
4. None State Grid Shanghai Electric Power Company Economic and Technological Research Institute,Shanghai,China
5. School of Electrical Engineering Zhejiang University,Hangzhou,China