1. Economic and Technological Research Institute, State Grid Anhui Electric Power Co., Ltd.,Hefei,China
2. State Grid Anhui Electric Power Co., Ltd.,Hefei,China
3. Xi'an XD Switchgear Electric Co., Ltd.,Xi'an,China
4. China Electric Power Research Institute,Beijing,China
5. Xi'an XD Switchgear Electric Co., Ltd.,Hefei,China