1. School of Electrical EngineeringSoutheast UniversityNo.2 SipailouNanjingPeople's Republic of China
2. Winston Chung Global Energy CenterUniversity of CaliforniaRiverside, 900 University AvenueRiversideCAUSA
3. Smart Grid Energy Research CenterUniversity of CaliforniaLos Angeles, 420 Westwood PlazaLos AngelesCAUSA
4. School of Engineering and Information TechnologyThe University of New South WalesPO Box 7916CanberraBCACT 2610Australia