1. Department of Electrical, Electronic and Control EngineeringRenewable Energy Research InstituteEIIAb Universidad de Castilla‐La ManchaAlbacete02071Spain
2. Department of Applied Mathematics and StatisticsUniversidad Politécnica de CartagenaCartagena, Murcia30202Spain
3. Department of Electrical EngineeringUniversidad Politécnica de CartagenaCartagena,Murcia30202Spain