1. School of Electrical Engineering and AutomationKey Laboratory of Smart Grid of Ministry of Education (Tianjin University), Tianjin UniversityTianjin300072People's Republic of China
2. Department of Applied SciencesCanada Research Chair on Engineering of Power Network Atmospheric Icing (INGIVRE) (http://www.cigele.ca), Université du Québec à ChicoutimiChicoutimiQCCanada