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毕业论文:单绕组多速电动机的研究.doc

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毕业论文:单绕组多速电动机的研究.doc

ORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMSELECTIONPARAGRAPHFORMAAAAAAAAAAAAAAAAAAAAAAAAAAAAATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELCTIONPARAGRAPHFAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMSELECTIONPARAGRAPHFORMAAAAAAAAAAAAAAAAAAAAAAAAAAAAATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELCTIONPARAGRAPHFAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHF第1页共74页ELEC下载需知SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTSELECTIONPARBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBAGRAPHFOLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSE11111111111111111111111111111111LECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACI2222222222222222222222NGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINE★本站上传的文档资源均来自互联网,以分享为目的,为有需要者提供学习与参考,版权为原作者所有,若侵犯到原作者的权益,请提出指正,及时与网站客服联系,并提供必要的证据,如属实,网站会在第一时间进行处理,立即删除相应下载链接页面并将文档删除。SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTSELECTIONPARBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBAGRAPHFOLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSE11111111111111111111111111111111LECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACI2222222222222222222222NGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINES★本站上传的文档,在文档排版上进行过整理,并未对内容进行增加或删除,因此,本站并不保证文档质量,因此下载之前,务必先预览一番,因为预览与下载的内容完全一样,所以如果发现内容有问题,请不要下载。ELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTSELECTIONPARBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBAGRAPHFOLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSE11111111111111111111111111111111LECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACI2222222222222222222222NGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLIN★下载后的WORD文档均可进行复制、编辑,没有密码保护,PDF格式均可转换成WORD,PPT文档可直接进行修改。因上传需要对文档进行转换,转换过程中有可能不能正常阅读或是下载后不能编辑,遇到这种问题,可以留言,留下邮箱地址,我们会把原始文档发送到你的邮箱。ELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTSELECTIONPARBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBAGRAPHFOLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSE11111111111111111111111111111111LECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACI2222222222222222222222NGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCORMATLINESPACINGLINESTOPOINTSSELECTIONPARAGRAPHFORMATLINESPACINGLINORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMSELECTIONPARAGRAPHFORMAAAAAAAAAAAAAAAAAAAAAAAAAAAAATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELCTIONPARAGRAPHFAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMSELECTIONPARAGRAPHFORMAAAAAAAAAAAAAAAAAAAAAAAAAAAAATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELCTIONPARAGRAPHFAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHF第2页共74页单绕组多速电动机的研究摘要单绕组多速电动机,其转子为笼型绕组,通过改变定子绕组的接法,从而改变其极对数,达到调速的目的。具有结构简单、运行可靠、成本低廉等优点而被广泛应用。在恒定的频率下,改变电机定子绕组的极对数,就可以改变旋转磁场和转子的转速。通过利用改变绕组接法,使定子单绕组具备二种或三种极对数而得到二个或三个同步旋转磁场的转速。关键字电动机变极调速单绕组多速ITISSINGLETOROUNDAMANYSOONTHERESEARCHOFTHEELECTRICMOTORABSTRACTITISSINGLETOROUNDAMANYSOONELECTRICMOTOR,ITSCHANGESTHESONINTOTHECAGETYPETOROUNDAPURPOSEFOR,PASSINGTHECHANGESSETTLESTHESONROUNDSSETCONNECTINGMETHOD,FROMBUTCHANGINGITSPOLELOGARITHMS,ATTAININGADJUSTINGSOONHAVETHECONSTRUCTIONSIMPLE,CIRCULATEDEPENDABLE,CHEAPETCINCOSTADVANTAGEBUTDRIVEEXTENSIVEAPPLICATIONUNDERTHEFIXEDFREQUENCY,CHANGETHEELECTRICALENGINEERINGSETTLETHESONROUNDSASETPOLELOGARITHMS,CANCHANGETOREVOLVETHEMAGNETICFIELDWITHTURNTHESONOFTURNSOONPASSINGTHEEXPLOITATIONCHANGESTOROUNDATHESETCONNECTSTHEMETHOD,MAKINGSETTLETHESONTHESINGLEROUNDINGTHESETHAVETWOKINDSOFORTHREEKINDSOFPOLESLOGARITHMSBUTGETTWOORTHREEREVOLVETHEMAGNETICFIELDSYNCHRONOUSLYOFTURNSOONKEYWORDSELECTRICMOTORCHANGINGTHEPOLEADJUSTSSOONITISSINGLETOROUNDTHESETISMANYSOONORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMSELECTIONPARAGRAPHFORMAAAAAAAAAAAAAAAAAAAAAAAAAAAAATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELCTIONPARAGRAPHFAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMSELECTIONPARAGRAPHFORMAAAAAAAAAAAAAAAAAAAAAAAAAAAAATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOCTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTS2SELCTIONPARAGRAPHFAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHF第3页共74页前言单绕组多速异步电动机是一种只有一套定子绕组,通过外部接线变换获得多种转速的电动机。它属与有级调速设备,具有间单、可靠、高效及易于绕制的优点,在许多工业领域的变速拖动中有着广泛应用。YD系列变极多速三相异步电动机是Y(IP44)三相异步电动机的派生产品是现代JDO2系列变极多速三相异步电动机的更新换代产品。全系列11个机座号,9种速比,共103个规格。目前已鉴定定型批量生产的机座号为80180七个机座号,共65个规格。YD系列电动机的安装尺寸及外型尺寸、绝缘等级、防护等级、冷却方法、结构及安装型式、使用条件、额定电压、额定功率等均与Y系列(IP44)电动机相同。机座号与速比、功率的关系以及力能指标均与国际同类产品的先进水平相近。变极多速三相异步电动机由于具有可随负载性质的要求而分级地变化转速,从而达到功率的合理匹配和间化变速系统的特点。电动机用于各式万能、组合、专用切削机床以及矿山冶金、纺织、印染、化工、农机等部门需要调速的各种传动机构。编著者2004611ORMATLINESPACINGLINESTOPOINTS2SELECTIONPARAGRAPHFORMATLINESPACINGLINESTOPOINTSELECTIONPARAGRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPHFORMATLINESPAC

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