1. Electrification and Energy Infrastructures Division, Oak Ridge National Laboratory, Knoxville, TN, USA
2. Aalborg University, Aalborg, Denmark
3. Fronius International GmbH, Thalheim bei Wels, Austria
4. College of Electrical Engineering, Zhejiang University, Hangzhou, China
5. Energy Systems and Infrastructure Analysis Division, Argonne National Laboratory, Lemont, IL, USA