1. State Grid Jiangsu Electric Power Company Economic Research Institute,Nanjing,China
2. Xinjiang University, State Key Laboratory of Control and Simulation of Power Systems and Generation Equipments of Electrical Engineering, (Tsinghua University),Urumqi and Beijing,China
3. State Key Laboratory of Control and Simulation of Power Systems and Generation Equipments of Electrical Engineering, Tsinghua University,Beijing,China
4. Xinjiang University,Department of Electrical Engineering,Urumqi,China