轮机英语（二三管轮）Lesson 28 Maintenance of Electrical Equipment.pptx

MarineEngineeringEnglish《轮机英语》APracticalCourseforEngineersWorkingonBoardShips

MarineElectricalSystemandAutomatizationLesson28MaintenanceofElectricalEquipment第28课电器设备的维修保养

LearningObjectives:1.Graspsomeusefulwordsandexpressionsinthewholetext.2.Afterstudyingthelesson,heorshewillhaveabetterunderstandingofMaintenanceofElectricalEquipment.3

4part1NewWordsandExpressions

5part2TextAnalysis

Lesson28MaintenanceofElectricalEquipmentWithalltypesofelectricalequipmentcleanlinessisessentialforgoodoperation.#保持各种电气设备的清洁对其正常运转是很必要的。

Lesson28MaintenanceofElectricalEquipmentElectricalconnectionsmustbesoundandanysignsofsparkingshouldbeinvestigated.#电气设备的连接必须检查而任何火花的痕迹都应该研究一下。

Lesson28MaintenanceofElectricalEquipmentPartssubjecttowearmustbeexaminedandreplacedwhennecessary.#任何部件被磨损的地方都应该检查，如果需要的话甚至是更换。

Lesson28MaintenanceofElectricalEquipmentThedangerfromACequipmentintermsofelectricshocksisfargreaterthanforsimilarDCvoltages.#就电击方面，交流设备的危险要远大于同样电压的直流电。

Lesson28MaintenanceofElectricalEquipmentAlsoACequipmentoftenoperatesatveryhighvoltages.#交流设备一般也工作于高电压。

Lesson28MaintenanceofElectricalEquipmentCaremustthereforebetakentoensureisolationofequipmentbeforeanyinspectionormaintenanceisundertaken.#因此，在着手进行维护保养前，要小心确认设备隔离。

Lesson28MaintenanceofElectricalEquipmentTheaccumulationofdirtonelectricalequipmentwillresultininsulationbreakdownandleakagecurrents,possiblyevenanearthFault.#电气设备上的污垢聚积会导致绝缘破坏和漏电流，甚至可能是接地。

Lesson28MaintenanceofElectricalEquipmentMoistureoroildepositswilllikewiseaffectinsulationresistance.#潮气和油的沉淀物同样能影响绝缘阻值。

Lesson28MaintenanceofElectricalEquipmentRegularinsulationresistancemeasurementandthecompilingofrecordswillindicatetheequipmentrequiringattention.#定期的测量绝缘和整理记录能表明设备需要注意（的地方）。

Lesson28MaintenanceofElectricalEquipmentVentilationpas