采用单片机实现两相异步电机的SVPWM控制

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1、采用单片枕实现鼹摆异步电机的SVPWM控镱4摘餮本文研究了～嵇新型电压空间矢量控制两棚遒变器～异步电动机的变颡调遽系统，该系统可班广泛斑用于小功率、宽调速运行的场合。本项研究完成两相逆变器的设计；并组或了试验薅戆鼹耱逆炎嚣一舅步电动撬系统。系统是～令转速开环的燮频调遗系统，由单片机机控制电路、功率驱动电路、逆液器主电路、僚护毫爨缀残。埝文逶避辩迄橇蓥奉方程游孬Kren变换鞠黠黎分鬣变换，分囊建立了系统完整的数学模型，编制了动态和稳态仿真程序，并对系统进行了协真，对系统翁韵态、稔杰整藐遴行分析。据霹予方渡等箕它粪奄方式翡

2、控裁，采霈窀臌空间矢爆技术擞小功率鼹相异步电动机的变频谰速控制上的应用可使转矩脉霸减少，效率提离，箕有一定静经济性稻实用往。关键塌：嚣糕逆变器，巍提异步电机，空闼矢爨控艇，潺铡比，载波攀，转矩脉动。UseSinglechiptoRealizeVoltageVectorControlofTowPhaseAsynchronismMotorAB黜RAeTTh／spaPel"study矗two-phaseinverter-hdinduction—motordrive,whichearbewidetyusedforlow-pow

3、er、variablespeeddrivesystem曩hestudyhascompleterthedesignoftwo-phaseinverterandmadeupofthetwo-phaseinverter-motorsystemforexperimentalUSe．1tisavariablefrequencyadjustablespeedsystemwithaopen-loopcontrolofratatiOnalspeed,whi瘫consistsofsingleehipcontrollebpowerdriv

4、edevice，Inverter-FeddeviceIaLowPowerTowPhaseinductionmotorandsafeguarddfruit．AecuratemathematicalmadelissetbasedOnthewholesystem，andsimulatorprogramofdynamicandsteadyconditionisestablished,whichiSUSetocalculatethedynamicandsteadyperformancebyKronandsymmetricaleo

5、ordin曩熏ecollverter．鼢simulatorcalenlatiOilandexperimentalresearchwithspecificparameterofthesystem．acompariseismadebetweenpredictedandexperimentalcharacteristics。experimentalmeasuremen鼍sareshown如comparecloselywithcorrespondingtheoreticalresult．ItiScomparedwithsqua

6、rewavepowersupp眵andothersystemfromsystemeffieiency,torquepulasatioaandtheeffe琏菇two-phaseinvertcrcapaeitance．ThoseilluminatethatVoltageVectorControlofaLOWPowerTowPhaseInverter-FedinducfionmotorDriverasaPulseWidthModulafioncontrolofatwo-phaseinverter-fedinductionm

7、otordriversystemcabeffectirelycancelledthelowharmonicandireprovethesystemperformance．Kcywords：two-phaseinverter-fed，two-phaseinduction—motor,modulateratio，carrierwaveratio,torquepulasation独谶谶声鹾漆A声鞲掰慧交辩帮德谵黉蕊零轰密簿耢添簿下麓褥蕊舔露繁鬻瀵袋器辫鬻蠢捺撩。鬟溪黪露。涎了囊警褥囊懿辍撂蠡蕊毁瓣瓣媳嚣努，谂裳巾举瓴窘菇他人

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