[Zhang, Yongxi;Meng, Ke;Dong, Zhao Yang] Univ Sydney, Sch Elect & Informat Engn, Sydney, NSW 2006, Australia.^[Luo, Fengji] Univ Sydney, Sch Civil Engn, Sydney, NSW 2006, Australia.^[Luo, Fengji] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing, Peoples R China.^[Yang, Hongming] Changsha Univ Sci & Technol, Int Coll, Hunan Prov Key Lab Smart Grids Operat & Control, Changsha, Hunan, Peoples R China.^[Wong, K. P.] Univ Western Australia, Sch Elect Elect & Comp Engn, Perth, WA, Australia.