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时间:2020-04-25
《两种快速的空间矢量脉宽调制算法比较-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第34卷第27期中国电机工程学报Vo1.34No.27Sep.25,20142014年9月25日ProceedingsoftheCSEE,~2014Chin.Soc.forElec.Eng.4613DOh10.13334~.0258—8013.pcsee.2014.27.008文章编号:0258—8013(2014)27—4613.08中图分类号:TM46两种快速的空间矢量脉宽调制算法比较范必双,谭冠政2,樊绍胜,王玉凤(1.长沙理工大学电气与信息工程学院,湖南省长沙市410004;2.中南大学信息科学与工程学院,湖南省长沙市410083)Compariso
2、nofTwoFastSpaceVectorPulseWidthModulationAlgorithmsFANBishuang,TANGuanzheng,FANShaosheng,WANGYufeng(1.SchoolofElectricalandInformationEngineering,ChangshaUniversityofScience&Technology,Changsha410004,HunanProvince,China;2.SchoolofInformationScienceandEngineering,CentralSouthUnivers
3、ity,Changsha410083,HunanProvince,China)ABSTRAC’I’:Acomparisonismadebetweentwofastspace结果表明,45o旋转坐标系SVPWM比60。非正交坐标系vectorpulsewidthmodulation(SVPWM)algorithms:the60。SVPWM更简单,计算量小,更适合于数字实现。两种算法non-orthogonalcoordinateSVPWMandthe45。rotating都以硬件的方式在FPGA上用VHDL语言编程实现,并对coordinateSVPWM.Ne
4、wgeneralmethodsofthe60。and45。实现的复杂度和逻辑资源占用这两方面进行比较。仿真结果algorithmsforanylevelSVPWMarealsoprovided,which表明,45。旋转坐标系下的SVPWM算法比60。坐标系下的needonlytheangleandthemodulationdepthtogenerateandSVPWM算法在简洁性和资源占用方面具有明显的优势。最arrangethefinalvectorsequence.Theanalysisshowsthelatter后,在一个三电平中点箝位型逆变器上对所
5、提的两种通用算ofersbetterflexibilitywithfewercalculationsandiswell法进行了实验验证。suitedfordigitalimplementation.Bothmethodsareimplementedinafieldprogrammablegatearray(FPGA)with关键词:空间矢量脉宽调制:现场可编程门阵列;60。非正veryhighspeedintegratedcircuithardwaredescription交坐标系;45o旋转坐标系;多电平逆变器language(VHDL)andcompar
6、edonthebasisof0INTRODUCTIONimplementationcomplexityandlogicresourcesrequired.SimulationresultsshowtheoverwhelminadvantagesoftheMultilevelconvertersarepopularforlargescale45。rotatingcoordinateSVPWMinbrevityandeficiency.andhighvoltageinductionmotors[1].SpacevectorFinally,theexperimen
7、taltestresultsforathree-levelPWM(SVPWM)isapopularstrategyformultilevelneutral-point·clamped(NPC)inverterarepresented.converters.whichiseconomicalonhardwareandwellKEYWORDS:spacevectorpulsewidthmodulationsuitedforimplementationondigitalprocessors.(SVPWM);fieldprogrammablegatearray(FP
8、GA);60。However,moreconvert
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