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1、m1APFCmPSpiceMBoostqye_#LC孙立萌, 孟颖悟, 但星亭(中国航空计算技术研究所, 陕西西安 710068)K1:对以UC1854B为核心组成的有源功率因数校正(APFC)电路进行分析,在 PSpice平台基础上建立了 UC1854B电压环路、电流环路的数学模型,经仿真模型与实验结果的对比, PF值的误差约为 0. 1%,畸变总失真 THD的误差约为 2%,从而验证了仿真模型的正确。采用该控制方式的电路能有效降低电流谐波干扰、降低电源模块的电磁干扰(EM I)。1oM:有源功率因数校正;PSpice;UC1854Bms|:TP391. 9DSM:AcI|:1671-654
2、X(2007)02-0073-04qyn(APFC)AC /DCMAV。APFCVzSz/T,o、vH(EMI)。APFCH!?,qy1H,。rS, APFCQed。Q,4;=e,YVqb1P6?o。oo,co,ze#z+,A9m,z,M,i71.2?。,UC1854Bqyey,s、,PSpice_qy,i_TL=1s。1APFCeYVAPFCeZTs1V:(eTHDEMIl、.2、71q%。7UC1854BBqyne,c(e?,+:eBoost6PWMMqyr0. 99;Kl5%;e;bvz。m1Boost,UC1854BAPFCm。T:1oIACbvVAOUT,#-VRMSEM,3|IMO
3、, IMOERMO3Mo,iLYVERS,3VS,RMOMhFbv。yN,RMORS,P6o?o。BTLCLPWM71,bvBoPWM113BPWM(?,zqMOSFET,z716LT/_4?。l:2006-11-21:2007-04-02Te:(1978-),3,2,V,CVY9VTHD =2. 341%,M9ITHD =8. 625%。YV_TM1,WPF0. 1%,M9THD2%,7OVm11m121,VAAPFC/,MA。4VL:PSpiceUC1854BqyeyVL,_+L=zB,APFC!9,Bil。ID: 1 PHLIP C. TODD, UC3854 Controlled Po
4、werFactorCorrec-tion CircuitDesignM. Unitrode Application Note, U -134. 2 张占松,蔡宣三. 开关电源的原理及设计(第一版)M.北京:电子工业出版社, 1998, 6. 3 Abraham I. Pressman. Switching Power SupplyDesign(Sec-ondEdition)M. 北京:电子工业出版社, 2005, 9. 4 OscarGarcia, JoseA. Cobos. SinglePhasePowerFactorCor-rection:A Survey J. IEEE Transact
5、ion onPowerElectron-ics, 2003, 18(3):749-755.Smi ulationandRealizationofSingle-phaseBoostPFCControllerBasedonPSpiceSUN Li-meng, MENG Ying-wu, DANGXing-ting(Aeronautica lComputing Techn ique Research Institute, X ian 710068, Ch ina)Abstract:Analysed the circuitofAPFC in thekey ofUC1854B, and themodel
6、of thevoltage and current loops isestablishedBasedPSpice. Compared simulationmodelwith experimentresult, thePF error is0. 1% , and theTHD erroris2%.Asaresult, thesimulationmodelisproved righ.t Thecircuitwhich adoptsthiscontrolwaycandepress theinter-fere ofcurrentharmonicemission and reduceEMIofpower supplymodule.Keywords:APFC;PSpice;UC1854B76 tb9/372
