《电子电气员英语》-Lesson 27

课文解析：难点：1.主机遥控系统常见故障现象；2.预防性维护工作。重点：1.掌握DPU更换操作；2.掌握遥控系统的常规保养内容。VocabularyLearning1词汇学习1anchor[ˈæŋkə(r)]n.锚v.抛锚blockage[ˈblɒkɪdʒ]n.阻塞物;堵塞;阻塞channel[ˈtʃænl]n.通道check[tʃek]v.检查；审查；核查communication[kəˌmjuːnɪˈkeɪʃn]n.(尤指依靠电或无线电波的)通信系统；通信criteria[kraɪ'tɪəriə]n.(评判或作决定的)标准；准则；原则damp[dæmp]a.潮湿的disconnect[ˌdɪskəˈnekt]v.使分离；使脱离disengage[ˌdɪsɪnˈɡeɪdʒ]v.(使)脱离；松开encounter[ɪnˈkaʊntə(r)]v.遭遇，遇到initial[ɪˈnɪʃl]a.最初的；开始的interlock[ˌɪntəˈlɒk]v.(使)连锁VocabularyLearning2词汇学习2investigation[ɪnˌvestɪˈɡeɪʃn]n.(正式的)调查locate[ləʊˈkeɪt]v.找出…的准确位置；确定…的准确地点malfunction[ˌmælˈfʌŋkʃn]n.失灵；故障maneuver[məˈnuːvə]v.(机动)操纵manifold[ˈmænɪfəʊld]n.总管polarity[pəˈlærəti]n.极性re-calibrate[reɪˈkælɪbreɪt]v.重新校正recommend[ˌrekəˈmend]v.推荐；介绍replacement[rɪˈpleɪsmənt]n.替换；更换替代品；替换物reverse[rɪˈvɜːs]v.使反转;使次序颠倒 VocabularyLearning3词汇学习3specification[ˌspesɪfɪˈkeɪʃn]n.规格；规范；明细单；说明书spirit[ˈspɪrɪt]n.(威士忌、杜松子酒等)烈性酒stick[stɪk]v.粘贴；粘住symptom[ˈsɪmptəm]n.症状；征候；征兆tow[təʊ]v.(用绳索)拖，拉，牵引，拽PhrasesLearning1

短语学习1airdistributor空气分配器airreceivers空气瓶builtinself-test内置自检COMMerror（communicationerror）通讯错误ETO(ElectroTechnologicalOfficer)电子电气员servomotor伺服电机（马达）terminationbracket终端支架PhrasesLearning2

短语学习2theairstartvalve空气启动阀theClassificationSocieties船级社theShip’sMaintenancePlan船舶保养计划theturninggear盘车机

SampleoftheText课文样本

NotStarting:Therearevariousinterlocksinplacetopreventtheenginebeingstarteduntilcertaincriteriaaremet.Iftheenginewon’tturnoveronair,thebridgeshouldbeinformedthenthefollowingchecksshouldbecarriedout.Checkairstartsupplyvalvesfromairreceiversareopenandthatthepressureis30bar.CheckthattheturninggearisdisengagedCheckthattheturninggearandtelegraphsolenoidvalveshaveactuated.Thiswillsupplyairtotheautomaticvalve,airdistributor,theairmanifold,andairstartvalve.无法起动：在满足某些起动条件之前，有各种联锁装置防止主机起动。如果主机在压缩空气作用下无法起动，应通知驾驶台，然后进行以下检查：检查空气瓶上的主起动阀是否打开，压力是否为30bar；检查盘车装置是否脱开；检查盘车装置和车钟电磁阀是否已启动。这将向自动阀、空气分配器、空气总管和起动空气阀提供压缩空气。CommontroubleSymptomsandAvoidanceMeasuresforM.ERemoteControlSystem主机遥控系统常见故障及防护措施DPUscommunicationerrors:WhenacommunicationerroroccursforoneoftheDistributedProcessingUnits,locatetheDistributedProcessingUnit,andcheckLEDpowerandstatus.Greencolorindicatesthatpowerisavailableandredmeansthepowerhaswrongpolarity.TherearefourLEDsontheDPUstoindicatethesituationsaboutRun,Info.,EndInit.andPower.DPU通信错误：当其中一个分布式处理单元发生通信错误时，要找到该分布式处理单元，并检查LED电源和状态。绿色表示电源可用，红色表示电源极性错误。DPU上有四个指示灯，指示有关运行、信息、结束初始化的情况和电源。

SampleoftheText课文样本Yearly:Checkandifnecessarycalibratetheinputsensorsandoutputactuatorsaccordingtothemanufacturer’sinstructions[7].Ingeneral,itisnotnecessarytore-calibratesensorsiftheinputsignaliscorrect.Comparetheinputsignaltothissystem,withtheinputsignalsonothersystemsorlocalgauges.Inparticularforthefuelrack,checkmax.fuelpositiononthefuelpumps,andadjustmax.fuelingovernorparameter,whileengineisstopped[8].RefertotheClassificationSocietiesand/ortheShip’sMaintenancePlan(orSite’sMaintenancePlan)forobtainingarecommendedpreventivemaintenanceschedulefortestofmeasuring-pointsandthealarm-system.Thesocietiesnormallyrecommenda3-monthlyto6-monthlysche