欢迎来到天天文库
浏览记录
ID:54587606
大小:387.05 KB
页数:6页
时间:2020-05-02
《双分数槽集中绕组低速潜油电机的设计分析.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18卷第1期电机与控制学报V0l_18No。l2014年1月ElectriCMachinesandControlJan.2014双分数槽集中绕组低速潜油电机的设计分析孟大伟,刘智慧,徐永明,肖士勇(哈尔滨理工大学电气与电子工程学院,黑龙江哈尔滨150080)摘要:针对传统潜油电机需要配备减速器才能驱动潜油螺杆泵的不足,提出了一种驱动潜油螺杆泵的双分数槽集中绕组低速潜油电机,电机定子采用空间相距特定角度的两套分数槽集中绕组。根据特殊的绕组结构,对电机在不同时刻的磁势进行分析,表明电机能够产生恒定的电磁转矩。利用有限元法对电机进行
2、二维瞬态场分析,得到了电机在空载和额定负载条件下的磁场分布及相关特性,结果验证了电机在电磁设计上的合理性。所设计电机可实现在不增大电机定子外径的情况下增加电机的极数,降低同步转速,有望实现潜油电机直驱潜油螺杆泵,从而有效降低整个采油系统的成本,抽油质量大为提升,对整个系统的节能具有重要意义。关键词:低速潜油电机;双分数槽集中绕组;谐波分析;电机设计;有限元仿真中图分类号:TM343.3文献标志码:A文章编号:1007—449X(2014)O1一OO44—06Designandanalysisofdoublefractionals
3、lotconcentratedwindingforl’OoWw-speedsubmersiblemotorMENGDa—wei,LIUZhi—hui,XUYong—ming,XIAOShi—yong(CollegeofElectrical&ElectronicEngineering,HarbinUniversityofScienceandTechnology,Harbin150080,China)Abstract:Aimingatthedeficiencythattraditionalsubmersiblemotorequipp
4、ingwithspeedreducercandrivetheoilsubmersiblescrewpump,adoublefractionalslotconcentratedwindingforlow—speedsub—mersiblemotorwhichcandrivethesubmersiblescrewpumpwasproposed.Twosetsoffractionalslotcon—centratedwindingsconnectedinserieswasusedinthestatorofthissubmersible
5、motor,andthesecondwindingwasshiftedmechanicallyforaspecificanglereferredtothefirstwinding.Accordingtothespe-cialwindingtopology,themagneticmotiveforceofthismotorindifferenttimeswasanalyzed,andtheconstantelectromagnetictorqueproducedbythemachinewasverified.Themagnetic
6、fielddistributionindifferentloadconditionsandcorrelatedcharacteristicswereobtainedby2Dfiniteelementmethod(FEM).Theanalysisresultsnotonlyvalidatetherationalityofelectromagneticdesignofthemotor,butalsoindicatethatwithoutincreasingtheouterdiameterofthestatorandthenumber
7、ofstatorslot,whichiseasytoincreasethenumberofpolesofthismotor.Thesynchronousspeedwasreduced,andsubmersiblecavitypumpdirectlydrivenbysubmersiblemotorwaspossible.Thecostoftheentirepumpingsystemre—ducedeffectively,andpumpingoilqualitywasgreatlyimproved.Itissignificantto
8、theenergyefficiencyoftheentiresystem.Keywords:low-speedsubmersiblemotor;doublefractionalslotconcentratedwinding;harmonicanaly—sis;m
此文档下载收益归作者所有