轮机英语（二三管轮）Lesson 26 Electricity Distribution.pptx

MarineEngineeringEnglish《轮机英语》APracticalCourseforEngineersWorkingonBoardShips

MarineElectricalSystemandAutomatizationLesson26MarineElectricityDistributionSystem第26课船用电力分配系统

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

4part1NewWordsandExpressions

5part2TextAnalysis

L26ElectricityDistributionThecontrolanddistributionoftheelectricalenergygeneratedbygeneratorsareeffectedbypowerdistributionequipment,i.e.switchboards.#发电机产生的电能的控制和分配受配电设备(即配电盘)的影响。

L26ElectricityDistributionSwitchboardsareeither(a)Mainswitchboards,(b)Emergencyswitchboards,(c)Sectionboards(orsub-boards),or(d)Distributionboards.#配电盘可以是(a)主配电盘、(b)应急配电盘、(c)区域配电盘(或子配电盘)或(d)分配电盘。

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Introduction(Backgroundknowledge)

L26ElectricityDistributionAmainswitchboardconsistsofthegeneratorcontrolpanel,theloadpanelandthepaneloftheparalleloperationofthegenerator.#主配电盘由发电机控制屏、负荷屏和发电机并车屏组成。

Introduction(Backgroundknowledge)

Introduction(Backgroundknowledge)

Introduction(Backgroundknowledge)

L26ElectricityDistributionItsmainfunctionisto(1)switchonoroffthecurrentcircuitaccordingtotherequirement(manuallyorautomatically);其主要功能是(1)根据需要(手动或自动)接通或断开电流回路；

L26ElectricityDistribution(2)maketheprotectiondeviceenergizetodisconnecttheelectricalequipmentwiththecircuit,givingthealarmsignalwhenthereissomethingwrongwiththeelectricalpowersupplysystem;使保护装置通电，以断开电气设备与电路的连接，当供电系统出现故障时发出报警信号；

L26ElectricityDistribution(3)measureorindicateeveryelectricalparameterssuchasvoltage,current,watt,powerfactoretc.duringtheoperation;测量或指示运行中的电压、电流、瓦特、功率因数等各项电气参数；

L26ElectricityDistribution(4)adjustthedistributionofthepowerofthegeneratorinparalleloperationorthevoltage,fr