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ID:35397223
大小:60.60 KB
页数:4页
时间:2019-03-24
《电气工程及其自动化英语英译汉》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、1、、、Inthegeneratormode,it,soperatingspeedisslightlyhiggerthanit,ssynchronousspeedandieneedsmagnetizingrevctivepoverformthesymtemthatitisconnectedtoinordertosuuplypover.在发电方式下他的工作速度比同步转速稍高些,并了解供电力,他需要他所连接的系统吸收磁化无功功率。2sssinthebarkingmodeofoperyetion,athree-phaseindectionmotorru
2、nningatasteady-speedcanbebroughttoaquickstopbyinterchangingtwoofstatorleads感应电机运行电动状态时,其转速低于同步转速,运行在发电状态时,其转速高于同步转速,这就需要从与之间相连的系统电源提供励磁的无功功率。3、、'obviously,dcmachineapplicationsareverysignificant,buttheadvantagesofthedemachinemmustbeweighedagainstitsgreatrinitialinvestmentcost
3、andthemaintenanceproblemsassociatedwithitsbrush-commutatorsystem..同步是指状态运行时点击以恒定的转速和频率运行。4、、、withacylindyicalrotorthereluctanceofthemagneticcircuitofthefieldisindependentofitsactualdiretionandrelativetothedirectaxis.圆柱形转子的磁场磁路的磁阻与直轴有关,而与磁场的实际方向无关。5、、、obviously,demachineapplic
4、ationsareverysignificant,buttheadvantagesofthedemachinemustbeweighedagainstitsgreatrinitialinvestmentcostandthemaintenanceprobiemsassociatalwithitsbrush-commutatorsystem.显然,直流电机的应用非常有意义,但是也纯在初期成本投入提高、有电刷■换向器而来的维修困难,应用是一定要权衡其利弊。6、、"hetransferfunctionconsistsoftwoparts.oneparti
5、sthesizerelationshipbetweentheinputandtheoutput.一个元件的传递函数描述了和输出大小的实际关系。7s"feedbackistheactionofmeasuringthediffereneebetweentheactualresultandthedesiredresult,andusingthatdifferencetodrivetheactualresulttowardthedesiredresult・反馈就是测量实际结果之差,并且这个差去控制实际结果,达到期望的值。8、"repeatabilityi
6、sthemaximumdifferencebetweenseveralconsecutiveoutputsforthesameinputwhenapproachedfromthesamedirectioninfull-rangetraversals.重复查就超出相同的输入在下一阶段有的范围内重同一个方向接近的连续之间的最大之差。9xxsrepeatabilityandreproducibilitydealinslightlyaredifferentwayswiththedegreeofclosenessamongrepeatedmeasureme
7、ntsofthesamevalueofthemeasuredvariable重复性和在现性一大同小异的方式论述被测量在同一个值得重复测量屮的接近程度。二、英译汉LAcontrollerhastwointerfaceswiththeprocessitcontrols:oneistheinputtothecontroller,theotheristheoutputfromthecontroller.一个控制器在它控制过程屮有两个界面过程,一个是控制输入,另一个是输出。2.Mechanicalswitchesuseoneormorepairsofcon
8、tactstomakeorbreakanelectriccircuit.机械开关用一对或多对触电接通或断开电路。3・Overloadsw
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