1. Department of Electrical Engineering, Universidad Técnica Federico Santa María, Valparaíso, Chile
2. Department of Electrical Engineering, Universidad de Chile, Santiago, Chile
3. Department of Electrical Engineering and the UC Energy Research Center, Pontificia Universidad Católica de Chile, Santiago, Chile
4. School of Electrical and Data Engineering, at the University of Technology Sydney, Broadway, NSW, Australia
5. Department of Industrial Technologies, University of Santiago of Chile, Estación Central, Chile