电气工程专业英语 课件.ppt

《电气工程专业英语 课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、电气工程及其自动化专业英语主编杨勇邓秋玲Unit3ElectricalMachines3.1Introduction3.2InductionMachines3.3SynchronousMachines3.4DCMachines3.1IntroductionNewWordsandExpressionssynonymous.同步的generatorn.发电机,发生器；electro-mechanical机电rotate旋转；使转动；utilize利用；使用electromagnetic[物]电磁的phenomena现象approximately近似地；Virtua

2、llyadv.实际上；实质上；ubiquitousadj.无所不在的；普遍存在的integraladj.完整的；积分的n.整体；积分infrastructuren.基础设施；基础建设crucial关键性的commutator换向器；3.1IntroductionNewWordsandExpressionsTurbine涡轮机,汽轮机；drill钻床；钻头；钻（孔）locomotives火车头,机车vibrating振荡（使）振动oscillating振荡grinders研磨机，碾磨机spinvi.快速旋转；使延伸n.眩晕humanoid有人的特点的；Robot

3、ic机器人的；自动的robotn.机器人；Hydraulic水力的,水压的；Cylinder圆柱；汽缸；Militaryadj.军事的；sawn.锯；v.往复移动；blade刀片；剑Blender掺和器，搅拌机tray盘子；托盘；3.1Introductiontext3.1.1ElementaryConceptsofElectricalMachinesVarioustypesofelectricalmachinesarewidelyem-ployedinindustries,powerstations,domesticandcom-mercialapplian

4、ces,etc.Theacademicstudy①ofelectricalmachinesistheuniversalstudyofelectricalmotorsandelectricalgenerators.Note：①：academicstudy学术研究3.1IntroductiontextBytheclassicdefinition①,electricalmachineissyn-onymouswith②electricalmotororelectricalgenerator,allofwhichareelectromechanicalenergyco

5、nverters:convertingelectricitytomechanicalpower(i.e.,electricalmotor)ormechanicalpowertoelectricity(i.e.,electricalgenerator).Themovementinvolvedinthemechanicalpowercanberotatingorlinear③.Note：①：Bytheclassicdefinition按照传统的定义.②：issynonymouswith与...同义。Note：③：电机既可以作旋转运动，也可以作直线运动。3.1Int

6、roductiontextAlthoughtransformersdonotcontainanymov-ingparts,theyarealsoincludedinthefamilyofelectricalmachinesbecausetheyutilizeelectro-magneticpheno-mena.Electricalmachines(i.e.,electricalmotors)con-sumeapproximately60%ofallelectricityproduced.Electricalmachines(i.e.,electricalgen

7、erators)pro-ducevirtuallyallelectricityconsumed.Note：①：familyofelectricalmachines电机的家族。尽管变压器不含旋转部件，但由于它们也是利用电磁感应现象来传递能量，所以也属于电机。3.1IntroductiontextElectricalmachineshavebecomesoubiquitousthattheyarevirtuallyoverlookedas①anintegralcompon-entoftheentireelectricityinfrastructure②.Devel

8、opingevermoreeffici