《印刷工艺》实验指导书

21066277312513910014893Email:[e-mail](IntroductionofPowerSystemFaultAnalysis)1312345?1••••••918jjjwjUeUUtUtu=∠=↔+=&)cos(2)(dttdiLtu)()(=ILjLIUIIii&&&wpjwj=+∠=⇒∠=)2(UIjjiw)cos(2)(itItijw+=)2cos(2)sin(2)(pjwwjww++=+-=⇒iitLItLItu1SteadyStateTransientProcessOtU,I,j,wPMUPMUPhasorMeasurementUnitGPS2003.8.14.--NewarkNewJersey7002003.8.14.NewarkNewJersey2•••••!•cSteadyState)Disturbance)ShortCircuitFault•\\3••••500kV20043252005••••1996.1.19•50002004122620032920MvarSTATCOM20029620038142003814500kV80kW•I2RF=BLI•200ms3078••500kV•(EDT)200381416:118154:11•:•822003814•6180•5000•-8141930134-81423002130-81511004860•209•300/50“”!•••••2015500kV60kA,500kVBreaker•line-to-linefault•symmetricalthree-phasefault•singlelinetogroundfault•doubleline-to-groundfault•110kV78.0•600kW7.5•110kV6.5•110kV8.0•5•4•8•834••••t1235•••••)0()sin(2)(≥+=ttEtejwEwjE&•RLE&RL)sin(2)(jw+=tUtuS0)(0=-tiSS)()sin(2)()()(0tttUtudttdiLtRi≥+==+jw0)(0=-tiS0)()(00==-+titi)sin(2000qjw-+⋅+=⋅-tZUCetLR)sin(200qjw-+⋅-=⋅tZUeCtLRC)()]sin()[sin(2)(00)(0tttetZUtittLR≥-+--+=--qjwqjwRLT=22)(LRZw+=)(1RLtgwq-=04tTt+≥)4()sin(2)(0tTttZUti+≥-+≈qjw)()]sin()[sin(2)(00)(0tttetZUtittLR≥-+--+=--qjwqjwUZ)(0qjw-+tp/2p-p/20)(0=-+qjwtpqjw=-+)(0t2)(0pqjw±=-+t)4()sin(2)(0tTttZUti+≥-+≈qjw))sin(2/())sin(2()(qjwjwqjqjq-+↔-===+↔-==--tZUZjUeIZUeZUtUjUeUeZUIjjjj&&&&&&t0)sin(2)(qjw-+=tZUtiZUI&&=t0001u(t)ta0RLHLR05.0,2=Ω=(a)ai(t)Matlab080ms0.01ms(b)ai(t)Matlab080ms0.01ms120022HadiSaadat,PowerSystemAnalysis.McGraw-Hill,1999,USA.TM711FS11;319984AllenJ.Wood,BruceF.Wollenberg,PowerGeneration,OperationandControl.51991