铁道机车运用与维护专业英语（第2版）课件：HXD3型电力机车电动机

HXD3型电力机车电动机theelectricalmotoroftheHXD3electriclocomotiveYJ85A型电动机安装在HXD3型120km/h货运电力机车上，该机车轴式为C0-C0，即每台机车装用6台牵引电动机。

TheYJ85AmotorisinstalledontheHXD3120km/hfreightelectriclocomotive,whichhastheaxletypeofC0-C0,meaningthateachlocomotiveisequippedwith6setsoftractionmotors.前言/IntroductionYJ85A型电动机的介绍/introductionoftheYJ85Amotor01YJ85A型电动机的结构/structureoftheYJ85Amotor02introductionoftheYJ85AmotorYJ85A型电动机的介绍01YJ85A型牵引电动机是引进日本东芝公司的图纸和制造技术，进行国产化的电机。

TheYJ85AtractionmotorisamotorlocalizedbyintroducingdrawingsandmanufacturingtechnologyfromToshibaofJapan.YJ85A型电动机的介绍/introductionoftheYJ85AmotorYJ85A电机是逆变器供电的三相鼠笼式异步牵引电动机，由定子和转子两部分构成。

TheYJ85Amotorisaninverter-poweredthree-phasesquirrel-cageasynchronoustractionmotorconsistingoftwoparts,thestatorandrotorYJ85A型电动机的介绍/introductionoftheYJ85AmotorstructureoftheYJ85AmotorYJ85A型电动机的结构02Thepictureshowsthestatorstructure定子结构YJ85A型电动机的结构/structureoftheYJ85Amotorstatorstructure定子结构1-subleadhead;2-subguardring;3-subcoil;4-slotwedge;5-slotinsulation;6-slotinsulation;7-sub-core;8-subguardringThepictureshowsthestructureofthestatorcore定子铁心结构YJ85A型电动机的结构/structureoftheYJ85Amotorstatorstructure定子结构1-driveendpressurering;2-subendplate;3-sublargeslotpunch;4-subpunch;5-non-driveendpressurering;6-lowerventilationchannelplate;7-lowerhangingassembly;8-upperhangingassembly;9-upperventilationchannelplate;10-safetypallet;11-smallhangingassemblyThepictureshowsthestatorpunchingandEnlargeddiagramofgrooveshape定子冲片及槽型放大图YJ85A型电动机的结构/structureoftheYJ85Amotorstatorstructure定子结构ThepictureshowstheStatorcoilsandcoilends定子线圈及线圈端部YJ85A型电动机的结构/structureoftheYJ85Amotorstatorstructure定子结构Therotorisofthesquirrelcagetype,whichisformedbyweldingaguidebarofspecialcopperalloytotheendringofspecialcopperalloy.转子为鼠笼式，由专用铜合金的导条与专用铜合金的端环焊接形成鼠笼。转子结构/rotorstructureYJ85A型电动机的结构/structureoftheYJ85AmotorThepictureshowstherotorstructure转子结构YJ85A型电动机的结构/structureoftheYJ85Amotorrotorstructure转子结构1-guidebar;2-guardring;3-endring;4-balanceblock;5-balanceblockscrew;6-rotorcoreThepictureshowstherotorstructure转子铁心YJ85A型电动机的结构/structureoftheYJ85Amotorrotorstructure转子结构1-rotorshaft;2-key;3-rotordriveendpressureplate;4-rotorendplate;5-rotorpunch;6-rotornon-driveendpressureplateThepictureshowsRotorbarandbarendstructure转子导条及导条端部结构YJ85A型电动机的结构/structureoftheYJ85Amotorrotorstructure转子结构Thepictureshowstherotorpunchingandsemi-closedgrooveshape转子冲片及半闭口槽形YJ85A型电动机的结构/structureoftheYJ85Amotor