PSS对电力系统暂态稳定的影响分析

PSS(,215123):MATLAB,PSS,PSS:;;MATLAB:TM761:B:1006-8996(2006)01-0042-02TheinfluenceofPSSontransientpowersystemstabilityWANGGong2heng(WuchengPowerCompany,JiangsuProvince,Suzhou215123,China)Abstract:ThispapersimulatesthetransientprocessofasinglemachineinfinitebussysteminMATLABandintroducesthebasicfunctionofPSSaswellasitsinfluenceonpowersystem.Keywords:powersystemstability;transientstability;MATLABsimulation1PSS[1,2](PSS),,PSS,,PSS,PSS,11PSS22[1,35]211,,2,110s2F,111sMATLABPSS212::2005-09-01:(1967),,,24120062()JournalofQinghaiUniversity(NatureScience)Vol124No11Feb12006ÛEq=1Tdo[Efd-(1+)Eq-(Xd-Xd)Id]ÛEq=1Tdo[-Eq-(Xd-Xd)Id+Eq+Xd-X1Xd-X1TdoÛEq]ÛEd=1Tqo[-Ed+(Xq-Xq)Iq]Û=0Û=12H(Pm-Pe):Xd=1181,Xq=1176,Xd=0130,Xq=0165,Xd=0123,Xq=0125,X1=0115,Ra=01003,Td0=810S,Tq0=110s,Td0=0103s,Tq0=0107s,H=315,KD=03213(3),,(AVR)(PSS),PSS:KA=200,TR=01015s,EFmax=710,EFmin=-614,KSTAB=915,TW=1141,T1=01154,T2=01033,vsmax=012,vsmin=-0123PSS311PSSPSSAVR,:pv1=1TR(Et-v1),Ejd=KA[Vref-v1+vs],EFmaxEEfdEEFmin4,AVR,,,312PSSPSSAVR,:(51)341:PSS,71007180/hm2,450180510.40kg/hm2,265110290111kg/hm2,60000kg/hm2(2),,,,:[1].[J].,1990,(4):10-14.[2].[J].,2002,(9):1-3.[3].[M].:,1982.[4].[M].:,2003.[5].[M].:,2004.[6].[M].:,1979.[7].[M].:,2000.[8].[M].,2001.()(43)Ûv1=1TR(Vt-v1),v.2=KSTAB.r-1TWv2,v.3=1T2[T1v.2+v2-v3],Efd=KA(Vref-v1+v3)5PSS,,AVRPSS,AVRPSS4PSS,,PSSPSS,,AVR,:[1]PrabhaKundur.[M].:,2002.5782588.[2].(PSS)[J].,1998,(10):23226.[3],,.PSS[J].,1997,30(12):729.[4],.PSSSVC[J].,2005,10(1):124.[5],.[J].,1998,22(3):4210.()151: