1. Key Laboratory of Smart Grid of Ministry of EducationTianjin UniversityTianjinPeople's Republic of China
2. State Grid Jiangsu Electric Power Co., Ltd., Maintenance Branch CompanyNanjingPeople's Republic of China
3. State Grid Jiangsu Electric Power Co., Ltd., Yangzhou Power Supply Branch CompanyYangzhouPeople's Republic of China
4. Digital Grid Research Institute of China Southern Power GridGuangzhouPeople's Republic of China