1. Department of Electrical Engineering (ESAT), Division ELECTA & EnergyvilleUniversity of Leuven (KU Leuven)HeverleeBelgium
2. Department of Energy Systems SINTEF Energy ResearchTrondheimNorway
3. Department of Electric Power EngineeringNorwegian University of Science and Technology (NTNU)TrondheimNorway