1. Department of Electrical and Electronics Engineering, Kazerun Branch, Islamic Azad University, Kazerun, Iran
2. Department of Electrical and Electronics Engineering, Shiraz University of Technology, Shiraz, Iran
3. Department of Electrical Engineering, Fasa University, Fasa, Fars, Iran
4. Cologne Institute for Renewable Energy (CIRE), Technische Hochschule Köln, University of Applied Sciences, Cologne, Germany