电动汽车蓄电池充电对电力系统的影响及对策

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,233011):,(),,:;;:(19562),,,:MT714:A:100129529(2010)0120109205InfluenceandCountermeasureofElectricVehicleBatteryChargingtoPowerSystemsLIE2shou,WUWen2min(Equipmenttechnologydepartment,Peoplesliberationarmyautomobilemanagementcollege,Bengbu,Anhui233011)Abstract:Alargeamountofelectricvehiclebatteriesaccessingpowernetworknotonlyincreasetheloadofpowersupplysystem(electricitypeak),butalsocauseharmonicpollution.Theformercanberesolvedbydistributedcoor2dinationandpointcoordination;thelattercanberesolvedbychoosingnewchargingdevices,installingfiltersinthepowersystems,aswellasdealingwithcoordinatingnumberofchargersineverychargingstation.Keywords:electricvehicle;battery;powersystem,,,;,(),;,11.1,+,+DC/DC()+,,,560%69%,740%49%,111310%13%,86.2%,,11+DC/DC(),DC/DC,2,DC/DC,,©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1)(30%)3,26.5%,,571113GB/Z17625.622003[1]231.2(1),,5060Hz,(2),,(3)3,,(),,,(4),,1.31.3.1PWMDC/DC,4PWM,,,5%,,,,,,,4PWM1.3.2[2](1)(),,,,LC571113,,(2),,,,S=KS(1)K,1.051.20;;;S57,,(4.5%6%)©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[3],,5k,,A(SOC),123k,,,,(),,SOC(),(218300V),656I:I={1n[sin(n2)-sin(n1)-sin(n4)+sin(n3)]cos(nt)}+{1n[cos(n2)+cos(n1)+cos(n4)-cos(n3)]sin(nt)}(2)1,2,3,4;n(2)I=cncos(nt+n)cn=a2n+b2nn=tan-1a(bn/an)cnn;nn,1234,k,cnn,,E=[THD]=1NNj=1{1kki=1f(i,j)g(i,j)}(3)N;i,jij;f(i,j)g(i,j)THD7,N(),(),N=100,THD,,THD,10,THD,10(VRLA,),,22.1(1),,,©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1)7(2),,(20%),,,(3),,,,,,,,,,,2.2(),,,,(1),,,,,(ECFS),,,,(2)[3],(8),,(SOC),,,,,,8(9),,(),,9Ic,1Ic1,,2©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:Id1,TLIc1,R2:Id2SOCIc2,Id1;Id2;TL;SOCId1Id2Ic1Ic2(NB)(NM)(NS)(Z)(PS)(PM)(PB),TLNBNMNSSOCIcIc=Ic1Ic2,,Ic(t)=Ic(t1)+Ic(t)10,12,SOC,(0.10.5h),10,,11,,,720A,,,,1h0.10.20.30.40.5EV13.83.63.63.63.6EV23.83.63.63.63.6EV34.03.63.63.63.6EV44.23.73.63.63.6EV54.44.03.73.73.6EV64.64.34.03.93.8EV74.84.64.44.23.9EV85.05.04.84.33.9EV95.35.14.74.23.8EV105.55.04.54.13.8EV115.74.94.44.13.8EV125.64.84.24.03.84.7254.3504.0923.9083.733/A6025995975485103(),,,,,,,:[1]GB/Z17625.622003,16A[S].[2],,.[J].,2008(9):34.[3].[M].:,2007.:2009204216: