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1、大学课件 高职高专船舶电气类专业教材 船舶电子电气专业英语(项目化教程)【 大学课件高职高专船舶电气类专业教材船舶电子电气专业英语(项目化教程)【王欣】Unit8Marine ElectricalMaintenance andTrouble ShootingContent Unit1Ships Bridgeand Engine Control RoomTask1Ships BridgeTask2EngineControlRoom Unit2Marine ElectricDrive System Task1Deck MachineryTask2Marine AuxiliarySystem Uni
2、t3Thre8phase AsynchronousMotors andElectrical ControlTask1Threephase AsynchronousMotors Task2Motor andElectrical ControlUnit4Marine PowerStation Task1Marine ElectricalSystem Task2Marine PowerManagement System（PMS）Unit5Marine ElectricInstallation Task1Introduction ofShipboard CablesTask2Shipping Elec
3、tricInstallation Unit6Marine SignalSystem Task1Marine AlarmSystem Task2Marine AutomationSystem Unit7Marine Communicationand NavigationSystemTask1GMDSS Task2Marine CommunicationSystem andNavigation EauiDmentContent Unit8Marine ElectricalMaintenance andTrouble ShootingTask1Marine ElectricalMaintenance
4、 Task2Electrical Trouble Shooting Unit9Marine ElectricalTest TaskMarine ElectricalTest Unit10Lists andDocumentls forElectrical Engineers ProfessionTask1Documents forRepairs Task2Certificates，Letters，Telegram&Telex Task3Business WritingRelating toElectrotechnical OfficerUnit EightUnit8Marine Electric
5、alMaintenance andTrouble Shooting Unit Goals1.Familiar withthe knowledge about marine electrical maintenance and trouble shooting.2.Students canintroduce theknowledgeabout marine electrical maintenanceandtroubleshootingto othersin Englishand talkto eachother aboutit fluently.Task1Marine ElectricalMa
6、intenance Task2Electrical TroubleShootingUnit8Marine ElectricalMaintenance andTroubleShootingUnit EightTask1Task1Marine ElectricalMaintenance?Section:Knowledge linking?Warm-up Questions?Section:Task Evaluation?Section:Task ImplementWarm-up questions:What do you thinkaboutmarineelectricalmaintenance?
7、Please lookat thefollowing picturescarefully andgrasp theknowledgeUnit Eight Section:Knowledge linkingarmoured powerand controlcable Screenedinstrumentation andtelemunication cableThis serviceoutlet wasreplaced bysome onewho didnt understand high voltagewiring andthis is the result.The breakerwas ve
8、ryold and the contactsfused closedand wouldno longertrip.This photowas takenduring asurvey whilethe woodbehind thepanel wasburning.The ownershowed noconcern aboutit,thought itwasnt serious.Unit Eight Section:Knowledge linkingarmoured powerand controlcable Screenedinstrumentation andtelemunication ca
9、bleHeres agood reasonwhy thisribbed plastionduit shouldnot beused onboats.Not onlyis ithighly flammable,but itspreads thefire.Unit Eight Section:Knowledge linkingarmoured powerand controlcable Screenedinstrumentation andtelemunication cableIf youhave electricalproblems andyour systemlooks somethingl
10、ike this,then youneednt lookmuch fartherfor thesource of the problem.Unit Eight Section:Knowledge linkingarmoured powerand controlcable Screenedinstrumentation andtelemunication cableNot everyelectrical systemis goingto bethis neat,but thisistheway itshould be.Unit EightSection:Knowledge linkingarmo
11、ured powerand controlcable Screenedinstrumentation andtelemunication cableCorrosion takesits tolleven on the interiorof the boat dueto leaks,salt airandhighhumidity.When tested,most of these connectionshad highresistance.This isthe propermethod tosplice wires.Unit EightSection:Knowledge linkingarmou
12、red powerand controlcable Screenedinstrumentation andtelemunication cableClose up of wirebundle above.These supposedlywater proofwire connectors,on closerexamination,are foundto befull ofwater.Unit Eight1.Therefore,there arelots ofadditional rulesabout thematerials andmethods ofinstallation thatyou
13、wont findon landbased vehiclesor structures.因此，有许多关于安装的材料和方法的附加规则，这些你不会在陆上的车辆或建筑物上发现。 Notes Unit Eight2.But weneed tounderstand thatsystems onboats aresubject tohigh G-forces dueto pounding,rolling andvibration.。 但我们需要了解船上系统易遭受由于撞击、滚动和振动所产生的高重力。 Notes Unit Eight3.The ACground andgrounding systemsare
14、free floating,meaning that they donot groundon thevessel,but onlyto shore.交流接地和接地系统是“自由浮动”，意味着他们不在船上做接地，但只到岸上做接地。 Notes Unit EightSection:Task ImplementPART AReading PracticeMain CircuitProtection andCircuit BreakersUnit Eight1.Circuit breakersshould NEVERbe installedon theexterior of theboat.Only g
15、asketed,water proofcartridge holdersshould beused.。 断路器不应安装在船外。 只应使用衬垫装配的，防水的盒夹。 Notes Unit Eight2.For example,dont turn the AC,refrigerator andicemaker allon atonce andnot expectthe breakerto pop.。 例如，不要期望把空调，冰箱，制冰机同时打开而断路器不跳闸。 Notes Unit EightSection:Task ImplementPART BRole Playing(A:cadet whoes
16、onboard for the firsttime;B:captain)A:How doyou arrangeoverhaul?Who makesthe decisionof theoverhaul?When doyou arrangeoverhaul？B:The arrangementof theoverhaul isbased on the reasons for themachinery problemor therunning timeof themachine.In general,1will check the symptomsof themachinery duringthe operationof themachine.All problemsare tobe recordedfor referencein the repair.When the main engineor otherengine hasrun exc
