8WANG Ming-jun.The development of our country's electrical network dispatch-from SCADA to EMS[J].Power System Technology,2006,30(18):85-88.
9DOBSON I,LU L M.Voltage collapse precipitated by the immediatechange in stability when generator reactive power limits are encountered[J].IEEE Trans on Circuits and Systems:Fundamental Theory and Applications,1992,39(9):762-766.
10ZHAO J,CHIANG H D,LI H.Enhanced look-ahead load margin estimation for voltage security assessment[C]//Proceedings of IEEE PES General Meeting.Vol 4,Jul 23-27,2003,Toronto,Canada.Piscataway,NJ,USA:IEEE,2003:2640-2645.