[1] Wuhan Univ, Sch Elect Engn & Automat, State Key Lab Power Grid Environm Protect, Wuhan, Peoples R China
[2] Wuhan Univ, Sch Elect Engn & Automat, Wuhan, Peoples R China
[3] State Grid Shanghai Municipal Elect Power Co, Shanghai, Peoples R China
[4] Imperial Coll London, Resource Geophys Acad, London, England
[5] Imperial Coll London, Dept Earth Sci & Engn, London, England