1. Department of Mechanical Engineering, Ecole de Technologie Superieure, 1100 Rue Notre Dame O, Montreal, QC H3C 1K3, Canada
2. Institut de Recherche D’Hydro-Québec, 1800 Bd Lionel-Boulet, Varennes, QC J3X 1S1, Canada
3. Power Factors, 7005 Boulevard Taschereau, Brossard, QC J4Z 1A7, Canada