1. Center of Excellence for Power Systems Automation and OperationElectrical Engineering DepartmentIran University of Science and Technology (IUST)NarmakTehran16846 13114Iran
2. Department of Electrical Engineering and Computer ScienceUniversity of KansasLawrenceKansas66045USA
3. Departamento de ElectrónicaUniversidad Andres BelloSantiago de ChileChile