1. School of Electrical Engineering, Xi'an University of Technology,Xi'an,China,710048
2. Shenzhen Power Supply Planning Design Institute Co.,LTD.,Shenzhen,China,518054
3. State Grid Xinjiang Electric Power Co., Ltd, Economic and Technical Research Institute Urumqi,Xinjiang,China,830002
4. Laboratoire des Sciences de l'Ingénieur Pour l'Energie (LabSIPE), Ecole Nationale des Sciences Appliquées,El Jadida,Morocco,24002
5. School of Mechanical, Electrical and Information Engineering, Shandong University,Weihai,China,264209