專業(yè)英語-chapter11課件

電氣工程與自動化專業(yè)英語

EnglishForElectricalEngineeringandAutomation

第十一章直流電機Chapter11Direct-CurrentMachine

編制黃偉雄ByHuangWeixiong1Chapter11----TermsandExpressions(1)electricmachine電機/rotating(electric)machine(electric)generator/(electric)motor*alternatorn.交流發(fā)電機*dynamon.(直流)發(fā)電機(2)alternating-currentmachine/ACmachine交流電機synchronousmachine同步電機synchronousspeed同步轉速synchronismn.同步,同步性▲synchro-表示“同步”e.g.synchroclockn.同步時鐘synchrometern.同步計，同步指示器asynchronousmachine異步電機inductionmachine感應電機

2Chapter11----TermsandExpressions(3)direct-currentmachine/DCmachine直流電機separately-excited它勵的permanent-magnetDCmachineself-excited自勵的self-excitationprocessshunt-excited并勵的/shuntwound▲shuntn.分路(器)，分流(器)inshuntwith與…并聯(lián)/inserieswithseries-excited串勵的compoundgenerator復勵發(fā)電機*cumulatively-compoundedmotor積復勵電動機(4)stator定子/rotor轉子/airgap氣隙3Chapter11----TermsandExpressions(7)brushgear電刷裝置(8)armature電樞armaturecore/slotn.槽(9)commutator換向器commutatorsegment換向片*mican.云母*polymern.多聚物，聚合物*dovetailn.鳩尾，燕尾槽(10)winding繞組/automaticwinder自動繞線機excitationwinding/statorwinding/armaturewindingsingle-layerwindingdouble-layerwinding/two-layerwinding☆layern.層5Chapter11----TermsandExpressionssimplexlapwinding單疊繞組*duplexlapwinding雙疊繞組simplexwavewinding單波繞組☆simplexa.單一的；單工的☆lapn.v.部分重疊，搭接(11)pitchn.間隙；節(jié)距，螺距，齒距，孔距polepitch極距commutatorpitch換向器節(jié)距fullpitchcoilshortpitchcoil(12)spann.跨度，跨距；全長coilspan線圈跨距/coilpitch6Chapter11----TermsandExpressions(13)electricaldegree電角度mechanicaldegree機械角度(14)directaxis直軸quadratureaxis交軸☆quadraturen.[物]90度相位差，90度相移e.g.(be)inquadraturewith與…在相位上相差90度(15)cross-magnetizingarmaturereaction交磁電樞反應(16)instantaneouspower瞬時功率activepower有功功率/averagepower/realpowerreactivepower無功功率apparentpower視在功率thepowertriangle功率三角形powerfactor7Chapter11----TermsandExpressions(22)rheostatn.變阻器，電阻箱(23)permeabilityn.磁導率(24)saturationn.飽和(25)nonlinearityn.非線性(26)dynamica.動力(學)的，動態(tài)的steady-state穩(wěn)態(tài)的(27)time-varying時變的time-invariant時不變的，定常的(28)ordinaten.縱坐標/verticalcoordinateabscissan.橫坐標/horizontalcoordinate☆coordinaten.同等者，同等物；[復]坐標a.e.g.originofcoordinates坐標原點(29)afunctionofxx的一個函數(shù)9Chapter11----NotestotheText(1)convert…into把…變成/轉換成…(2)underlievt.位于…下面；構成…的基礎(3)conversea.顛倒的，逆的，反的n.轉換；[邏]反題；[數(shù)]逆，反(4)classify…as把…分類為(5)equationn.方程，等式*導數(shù)的讀法：dy/dx讀作(thefirst)derivativeofywithrespectof/tox▲withrespectof/to關于，相對于，就…而論(6)cyclicala.周期的，循環(huán)的(7)electromechanicala.機電的

(8)shapev.使具有某種形狀，塑造，成型

10Chapter11----NotestotheText(9)Operationofthesemachinesdependsonthenonuniformityofair-gapreluctanceassociatedwith(與…相聯(lián)系，與…有關)variationsinrotorpositioninconjunctionwith(與…配合)time-varyingcurrentsappliedtotheirstatorwindings.▲nonuniforma.不均勻的，不一致的▲uni-pref.單，一e.g.unibusn.單總線unicontroln.單向控制unidirectionalcurrent單方向電流(10)besubjectedto使遭受到(11