基于MATLAB的三相半波可控整流電路仿真實(shí)驗(yàn)報(bào)告

1、基于MATLAB的三相半波可控整流電路仿真實(shí)驗(yàn)報(bào)告一、實(shí)驗(yàn)名稱(chēng)基于MATLAB的三相半波可控整流電路仿真實(shí)驗(yàn)報(bào)告二、實(shí)驗(yàn)?zāi)康膶?duì)三相半波可控整流電路進(jìn)行參數(shù)設(shè)計(jì)，并運(yùn)用simplorer7.0進(jìn)行仿真，學(xué)習(xí)Matlab的動(dòng)態(tài)分析。掌握的三相半波可控整流電路工作原理及特點(diǎn)，改變脈沖移向角，觀察輸出電壓、電流和晶閘管的電壓、電流的變化情況。觀察在電阻負(fù)載和阻感負(fù)載時(shí)，輸出電壓、電流和晶閘管的電壓、電流的變化情況。三、實(shí)驗(yàn)平臺(tái)Matlab/simulink/simpowersystem四、實(shí)驗(yàn)原理三相半波可控整流電路(電阻負(fù)載)原理圖VT,VT,VT3圖1一和平謖川揑整流電路障理圏公式原理)er30R

2、.負(fù)載電療連續(xù).鬲217.s.iniutd(ajt)=1.17tAcosa畑時(shí),比為聶從6=%=中5知L-2(2)a3庚載電療斷給胡帕管導(dǎo)通角統(tǒng)Islit討百:77-Lr42U2=0,675C7-j1+cott(/6a)Z7T/J礙p屮心=150時(shí)U,=0負(fù)載吐漩的:比山打?yàn)闉橛诰чl管是交替工作的流過(guò)晶閘竹的平均電沛為(3)變壓器二次線電壓峰值:Urm6U2=2-45U2變壓器二次相電壓峰值：Ufm2U2三相半波可控整流電路（阻感負(fù)載）原理圖三相半波可控整流電路（阻感負(fù)載）公式原理：l.a小于等于30時(shí)整流電壓波形與電阻負(fù)載相同。2.A大于30時(shí)，Ud=1.17U2COSa13.I2=IVT=

3、i3Id=0.557Id4.1=JL=0.368IdVT(AV)1.57仿真原理圖powergui.ScopeV1vAACXRLoVGe+v+i心Scope3PulseThyristorlGeneratorScopelScope2-QPulseinnr；erator-aThyristorContinuousrS+V2AC1PulseGenerator2lakThyristor2AC2+v+v五、實(shí)驗(yàn)內(nèi)容仿真參數(shù)設(shè)計(jì)電源參數(shù)，頻率50Hz，電壓100v,其相限角度分別為0、120、-120。如圖1、2、3所示圖3脈沖參數(shù)振幅3用期0.02?|7空比跖時(shí)相延遲分別為5U0)/3150*0.0：(a

4、+120430)八帖帥0(；趴(n4240+30)/360+0.023即圏：;.圏九圏5所示endPulsetypedeterminesthecomputationaltechniqueused.Time-based,is工亡匚ojuniendedforuseUFithavariablestepsolverjvh.ileSample-tasedisxecamm.endedforusewithafisedstepsolwerorlthrn.adiscreteportionofajtlodeusingavariablestepsolder.ParajuetersPulsetype:Timebase

5、drrrOK|Cancel|Help呂SourceElo匚kParameteirs-：PulseGen&ratorlendPulsetypedeterminesthecomputational丈已匚hniqueused.Time一baE&disrecsnunendedforusewithavariable呂tepsolver;vfIiileSample-basedisreccunmendedforusewithafisedstepsolverorvithinadiscreteportionofanodeusingavariablestepsolver.ParajnetersPulsetype:

6、Tim.ebasedTime(t):UseslmulatxontlmeAmplitude:FulseWidth(掘ofperiod:10Phasedelay(secs):(30+120)+0.02/360JInterpretvectorpatam&tersas1-DrrrOK|Cancel|旦亡endPulsetypedeterminestheccmpLitationaltechniqueusedTine-basedisrecommended,foruseurithavariablestepsolverwhileSajnple-basedisrecommendedforuseurithafis

7、edstepsolverorwithiriadiscreteportionofa.modeusingavariablesi:epsolver.FarametermPulsetype:TimebasedTime(t):Usesimulation丈imeAjn.plitude:3Period(secs):.02PulseWidth(%ofperiod):10Fhasedelay(secs):(30+240)*0.O2/3fiO/Iriterpretvectorparajnetersas1DrrrrIOKCstle&IHelp電感負(fù)載參數(shù)阻感負(fù)載參數(shù)4BlockParam&ters:RC_-S3-S

8、eriesELCBranch(mask)(link)Imp1ementeaseriesbranchofRLCelejnente.UsetheJBranchtypeJparameturtoaddorremoveelementsfromthebrancli.ParauietersBranchtype:RLResistance(Ohuis):MeasurejieiAtsNoneOKCancelHelpApply示波器參數(shù)MS匚ope-parametersGeneralDat目Higtarylip:tryrijhtclickingonaxesLimitdatapointstolast:Savedata

9、tow?rks-pace;Variablftname:ScdpeDataFormat;StrudurewithtimuOKC-ane&lHalpApplyG&neral氏加HistoryTip:tryrightclickingonaxesAxe-shJumberofaxes:3floatingscopeTimerange:autoTicklabels:b-ottorriaxisonlySamplingSampile-timeQ.02/1000KCancelHelpApplySimulationtime設(shè)計(jì)三相半波可控電路（電阻負(fù)載）0,波形圖uaTimeoffset:dTimeoffset:d

10、Timeo-ffset:dTimeoffset:dTimeoffset:didTimsonset:&三相半波可控電路（電阻負(fù)載）30,波形圖uaTimeo-ffset:dTimeo-ffset:dud三相半波可控電路（電阻負(fù)載）60,波形圖U3IieoffsetGTimeo-ffset:dTimeo-ffset:dTimeoffset:didid、九1、廠、11廠、r1JfV.X1.1.-y:IvX:.1.1.1V、ii11ii,i1110Q005OJ：I1Q015Q02Q025D.C60.0350.04D.O45D.C6Timsonset:&三相半波可控電路（電阻負(fù)載）90,波形圖ieoff

11、setGTimeo-ffset:dTimeo-ffset:divt1uvt1Timeoffset:dudididTimeoffset:dTimeoffset:dIDTimsQlTset:&三相半波可控電路（電阻負(fù)載）150,波形圖uaidugivt1Timeoffset:CindTimeoffset:CiTimsDlTset:&三相半波可控電路（阻感負(fù)載）0,波形圖uaieoffsetGTimeo-ffset:didIDidID三相半波可控電路（阻感負(fù)載）30,波形圖14己ieoffset:GTimeo-ffset:dTimeo-ffset:dTimeoffset:dndidID三相半波可控電路（阻感負(fù)載）60,波形圖U3IieoffsetGTimeoffset:dndI0.0050.010.0150.020.0250.030.0350.040.0450.05Timeci-ffset:Cl三相半波可控電路（阻感負(fù)載）90,波形圖uaieoffsetGTimeoffset:dndTimeoffset:d五、實(shí)驗(yàn)總結(jié)阻感負(fù)載：aU，整流電壓波形勺電附貸載時(shí)和【譏a30時(shí)丁u2過(guò)零時(shí),TI不關(guān)斷，肚到E的脈沖判來(lái)才換流.VT2導(dǎo)通問(wèn)奴載供電,同時(shí)IbJVT1施加反爪使其關(guān)斷*閑此直堿形中會(huì)出現(xiàn)如I勺部分。kl波形仃一定的脈動(dòng).門(mén)為簡(jiǎn)化分析及厲計(jì)算，可將胡近似為一條水平線