1. Department of Electrical and Electronic EngineeringThe University of Hong KongHong KongPeople's Republic of China
2. School of Electric PowerSouth China University of TechnologyGuangzhouPeople's Republic of China
3. Department of Forward OperationsMidwest Independent Transmission System Operator, Inc.CarmelINUSA
4. State Key Laboratory of Advanced Electromagnetic Engineering and TechnologyHuazhong University of Science and TechnologyWuhanPeople's Republic of China