Projects(60425310,60974026) supported by the National Natural Science Foundation of China;Project(200805330004) supported by the Doctor Subject Foundation of China;Projects(NCET-06-0679) supported by Program for New Century Excellent Talents in University;Project(08JJ1010) supported by the Natural Science Foundation of Hunan Province,China
In order to analyze power system stability in environment of WAMS(wide area measurement system),a new steady state stability model with time-varying delay was proposed for power system.The factors of exciter and power...