船舶电气英语课件

教学目的___________________________CompanyLogo“船舶电气专业英语”，是一门应用性很强的基础课程。它体现了船舶电气专业与英语的结合。是从事船舶电气行业技术研究必须具备的一项技能。前期应具备的学科基础：船舶电气设备、大学英语。南通理工学院教学目的__________________www.th1授课思路CompanyLogo结合船舶电气专业，讲解英语中的基本元素。——各项能力培养的基础南通理工学院授课思路Compan2CompanyLogo授课内容内容选择：

以船舶电气管理中涉及的电工工艺、电气控制、电子技术等为主线，主要选择以下7方面内容：

船舶电气安全知识常用测量仪表和工具船舶照明电路和船用电缆三相交流异步电机船舶电力拖动系统模拟电子技术数字电路南通理工学院CompanyLo3CompanyLogo教学目标与考核方式考核方式：平时成绩和期终考试相结合。平时成绩：出勤情况、课堂表现、作业。终期考试成绩：期末测验

教学目标：熟悉并掌握常用船舶电气专业英语词汇发音及含义。快速，准确理解船舶电气专业英语文献的含义。具备对普通船舶电气专业英语文献的翻译能力。南通理工学院专业词汇的掌握是第一位的没有专业词汇量，英语建筑就没有基石CompanyLo4CompanyLogoChapter5.MarineElectricMotorDrivenSystemsChapter4.ThreePhaseACInductionMotorChapter3.ShipboardElectricCable,LightingMotorChapter2.CommomMeasureDevicesandToolsChapter1.ElectricalSafetyContentsChapter6.AnalogElectronicsChapter7.DigitCircuit南通理工学院CompanyLo5CompanyLogo1ElectricalSafetyVocabularyvoltage电压current/ohm

corrosion腐蚀corrodedeterioration恶化deteriorateelaborate详尽的hazard危险precaution预防vulnerable易受伤害的energize

激励、通电(de-energize)threshold临界值resistance

阻力resistmomentarily随时地momentminimize

最小化maximum

最大化accidental意外的conductor导体terminal末端flammable可燃性的南通理工学院insulation绝缘insulatewire电线static静态的dynamicnavigational航行的accessory

附件/ek’seseri/discharge排放capacity容量capacitorcable电缆battery电池rotate旋转rotationreciprocate往复运动motor发动机install安装extinguisher灭火器OBA-oxygenbreathingapparatus氧气呼吸机spontaneous自发的CompanyLo6CompanyLogo1ElectricalSafetyPhrase/SentenceTheelectricalequipmentonboardashipissubjectedtoalotofmoreharshtreatment.遭受…Howtoprevent(Sb.)frombeingelectricshocked阻止某人做某事Manyworkersareunawareof意识不到…Whenpersonnelcomeincontactwithenergizedconductors接触innexttonotime很快circuitbreakers断路器radarandnavigationalequipment船舶雷达和导航设备insulateoneselffrom使隔离…depriveof失去南通理工学院CompanyLo7CompanyLogo1.1ElectricalHazardsandPrecautionMarineelectricalhazards:ElectricalshockArc-flashArc-blastvoltage//电压

moisture//潮湿electricshock//触电electricalfire//电气着火electricalhazards//电气危害Arc-flash//电弧灼伤Arc-blast//电弧击伤Allthesethreethingswillcausepersonnelinjury,whilethelattertwowillalsocauseelectricalfire.Thus,weneedtoknowhowtopreventfrombeingelectricshockedandbreakingoutofelectricalfire南通理工学院CompanyLo8CompanyLogo1.1.1ElectricShockWhenpersonnelcomeincontactwithenergizedconductorstheyreceiveashockwithcurrentflowingthroughtheirskin,musclesandorgans.Therearethreebasicpathwayselectriccurrenttravelsthroughbody:

•Touchpotential

•Steppotential

•Touch/Steppotential50mA--thesafetycurrent36V--thesafetyvoltage12V–theabsolutesafetyvoltagecurrentintensity//电流强度threshold//临界值

resistance//

阻力ohm

//电阻humidorfoggysituation潮湿有雾的环境energizedconductor//通电导体南通理工学院CompanyLo9CompanyLogoreviewreview南通理工学院Question1Whatdomarineelectricalhazardsinclude?Question2Whatissafetyvoltagewhenpeopledirectlycontactwith?Question3Howmanypathwaysarethereelectriccurrenttravelingthroughthebody?CompanyLo10CompanyLogo1.1.2.Arc-flashandArcBlastsThehazardsofArc-FlashandArcBlast:Thirddegreeburn,possibleblindness,shockandsoonReleasetoxicgasesPotentialdamagetoelectricalequipmentconductor导体terminal端点electricalequipment电气设备raceway电缆circuit电路insulator绝缘体beresponsiblefor对…负责南通理工学院CompanyLo11CompanyLogo1.1.2.Arc-flashandArcBlastsThereasonofelectricalsafetyhazards:wornorbrokenconductorinsulationExposedlivepartsLoosewireconnectionsimproperlymaintainedswitchesandcircuitWaterorliquidnearelectricalequipmenthighvoltagecablestaticelectricitydamagedtoolsandequipment南通理工学院CompanyLo12CompanyLogo1.1.3SafetyPrecautionsforPreventingElectricShockThesafetyprecautionswhenworkingonelectricalequipment：StandclearofoperatingradarandnavigationalequipmentneverworkaloneThepowersourceshouldbetaggedoutkeepcoverscloseddischargecapacitorsandinsulateyourselfremaincalmandconsiderpossibleconsequencesRadarandnavigationalequipment船舶雷达和导航设备maintain

维修/管理discharge

排放capacitor电容器component电气元件

reciprocate往复运动南通理工学院CompanyLo13CompanyLogoreviewreview南通理工学院Question1WhatwillanArc-flashandArc-blastsleadifpersonneldirectlyexposedtoit?Question2WhatisthemostcommoncauseofArc-flashandotherelectricalaccidents?CompanyLo14CompanyLogo1.2ElectricalFirePreventionandHandling

EveryoneontheshipshouldknowhowtousethefireextinguishersCarbondioxideisthechoiceforfightingelectricalfiresmisuse//误用maintenance//维护extinguisher//灭火器electricalfires//电气火灾secure//停止cutoffthepower//切断电源apparatus//设备南通理工学院CompanyLo15CompanyLogo1.3FirstAidforElectricalShockTheproceduresasfollowed:RemovevictimfromelectricalcontactwithanynonconductorofelectricityDeterminethecardiopulmonarystatusofcasualty，startCPRotherphysicalinjuriesshouldbetreatedkeepthevictimwarm南通理工学院CompanyLo16CompanyLogo1.3FirstAidforElectricalShockshock//

休克、震动treatment

//

处理、治疗firstaid//急救护理be/comeincontactwith//和…接触energize---de-energize//通电/不通电energizedconductors/circuit//通电导体/通电电路endanger//使遭到危险endangeroneself//使某人遭到危险exposure//暴露

南通理工学院单词达人CompanyLo17CompanyLogoAssignmentAssignment单词、词组中英文互译危害（）临界值（）电气（）

通电（）绝缘层（）导体（）预防（）设备（）电流（）电压（）电阻（）导体（）resistance（）flammable（）arc-flash（）material（）motor（）wire（）cable（）injury（）南通理工学院CompanyLo18CompanyLogoAssignmentAssignment单词、词组中英文互译Arc-blasts（）threshold（）personnelinjury（）minimize（）electricshock（）electricalfire（）onboard（）currentintensity（）radarandnavigationalequipment（）南通理工学院CompanyLo19CompanyLogoAssignmentAssignment中英文互译在日常生活中，我们必须要懂得基本的安全用电知识。电气危害容易造成人员伤亡和引发设备着火。在进行电气设备的维护时，工作人员务必要做好预防措施。Oncepersonnelcomeincontactwithenergizedconductors,theyareeasytogetshocked.Theworkerswhoareunawareofthepotentialelectricalhazardswillbevulnerabletogetinjured.Whenelectricalfirehappensonboard,weshouldcalmdownandhandlecorrectly.南通理工学院CompanyLo20CompanyLogoChapter5.MarineElectricMotorDrivenSystemsChapter4.ThreePhaseACInductionMotorChapter3.ShipboardElectricCable,LightingMotorChapter2.CommomMeasureDevicesandToolsChapter1.ElectricalSafetyContentsChapter6.AnalogElectronicsChapter7.DigitCircuit南通理工学院CompanyLo21CompanyLogo2.1Multi-meterVocabularymeasure测量device设备meter米、仪表multi-meter万用表ammeter电流表voltmeter电压表ohmmeter电阻表troubleshoot故障排解quantity数据capacitance电容conductance导电率inductance电感diode二极管南通理工学院transistor三极管digitalmulti-meters数字式万用表analogmulti-meters指针式万用表amplifier放大器Portable便携的，手提的needle指针overload过载install安装range范围optimize调整、优化deflection偏差(deflect)CompanyLo22CompanyLogo2.1Multi-meterPhrase/SentenceDigitalmulti-metergenerallytakemeasurementwithaccuracysuperiortoanalogcounter-parts比…好的Standardportabledigitalmulti-metersclaimto

becapableof(doing)要求能够benecessaryto对…有必要comparativelysimilar大同小异南通理工学院CompanyLo23CompanyLogo2.1Multi-meterPhrase/SentenceTherearetwocategoriesofdigitmulti-meters…therebe结构makecurrent/voltage/resistancemeasurement测量电流/电压/电阻As(soon/low/loudly形容词/副词/形容词+名词)aspossiblebeworthdoing/beworthyof值得做南通理工学院CompanyLo24CompanyLogo2.1Multi-meterThemulti-metercanmeasuremanyquantities:VoltageinvoltsCurrentinamperesResistanceinohmsDiodesandtransistors

南通理工学院Twocategoriesofmulti-metersdigitalmulti-meteranalogmulti-meterSwitchedrangemulti-metersAuto-rangemulti-metersmulti-meter万用表

ammeter

电流表voltmeter

电压表

ohmmeter电阻表capacitance

电容

conductance

导电率inductance

电感diode二极管Transistor

三极管needle指针CompanyLo25CompanyLogoreviewreview南通理工学院Question1Howmanyquantitiescanmulti-metercanmeasure?Question2Whatwillyouchoosebetweendigitmulti-meterandanalogmulti-meter?CompanyLo26CompanyLogoreviewreview南通理工学院multi-meterammetervoltmeterohmmetercurrentvoltageconductorenergizedigitalanalogyelectricalsafetyhazardresistancewirecircuitCompanyLo27CompanyLogo2.1.2OperateaDMMandananalogmulti-meterhowtooperateaDMMandananalogmulti-meterturnthemeteroninserttheprobesintothecorrectconnectionssetswitchtothecorrectmeasurementtypeoptimizetherangeforthebestreadingplacetheprobesintothevoltagemeasurementsocketsandturntherangetomaximumvoltage南通理工学院CompanyLo28CompanyLogoreviewreview南通理工学院Question1Howmanyquantitiescanmulti-metercanmeasure?Question2Whatwillyouchoosebetweendigitmulti-meterandanalogmulti-meter?CompanyLo29CompanyLogo2.1.3Makecurrent,voltageandresistancemeasurementVocabularyconnect连接diagram图表current电流voltage电压resistance电阻resistor电阻器socket插座、穴positive(terminal)正极的negative(terminal)负极的backward反向的acceptable可接受的(be#to)南通理工学院

alternating可交替的shortcircuits短路opencircuits开路calibration刻度parameter参数meterprobe表笔item参数checkfor检查connect…together把…连接起来

combinewith使结合CompanyLo30diagrambdiagramcdiagramdCompanyLogo2.1.3Makecurrent,voltageandresistancemeasurement南通理工学院Measuringvoltagewithamulti-meterMeasuringcurrentwithamulti-meterMeasuringresistancewithamulti-meter具体测量电流电压电阻的方法见书本diagramC31CompanyLogoreviewreview南通理工学院multi-meterammetervoltmeterohmmetercurrentvoltageconductorenergizedigitalanalogyelectricalsafetyhazardresistancewirecircuitCompanyLo32CompanyLogo2.1.3Howtotestdiodesandtransistorswithmulti-meterVocabulary

diode二极管transistor三极管detect探测perform执行cathode阴极anode阳极base基级collector集电极emitter发射极deflection偏差junction连接南通理工学院coil线圈capacitor电容器relay接替、继电器opencircuit开路shortcircuit短路CompanyLo33CompanyLogo2.1.3Howtotestdiodesandtransistorswithmulti-meter南通理工学院CompanyLo342.1.4Howtotestdiodesandtransistorswithmulti-meter南通理工学院

diodetest

setthemetertoitsohmsrangeconnectthecathodeterminalofthediodetotheterminalmarkedpositiveonthemulti-meter,andtheanodetothenegativeorcommonterminalsetthemetertoreadohms,and“lowish”readingshouldbeobtainedreversetheconnection2.1.4Howtotestdiodesandt35CompanyLogo2.1.4Howtotestdiodesandtransistorswithmulti-meter南通理工学院differentcategoriesoftransistorsCompanyLo362.1.4Howtotestdiodesandtransistorswithmulti-meter南通理工学院setthemetertoitsohmsrange(middleohmsrange)connectthebaseterminalofthetransistortotheterminalmarkedpositiveonthemulti-meter,connecttheterminalmarkednegativeorcommontocollector,itshouldreadopencircuitwiththeterminalmarkedpositivestillconnectedtobase,repeatmeasurementwithpositiveterminalconnectedtotheemittertransistortest2.1.4Howtotestdiodesandt372.1.4Howtotestdiodesandtransistorswithmulti-meter南通理工学院reversetheconnectionconnectthepositiveterminal,firsttothecollector,thentakeittotheemitter.themetershoulddeflect.connectthemeternegativeorcommontocollectorandmeterpositivetoemitter.checkmeterreadsopencircuit.reversetheconnectionIfthetransistorpassesallthetests,itisok.2.1.4Howtotestdiodesandt38CompanyLogo2.1.4Howtotestdiodesandtransistorswithmulti-meter南通理工学院ThestructureandsignoftransistorsUsemulti-metertodeterminetransistortypeandit’spole：Firstly,usemulti-meterdeterminethebaseandtypeofthetransistor;Then,itiseasytotelltheotherpolesofthetransistorusingthebook’smethod.CompanyLo39CompanyLogo2.2Meg-ohmmeter南通理工学院Vocabularymeg-ohmmeter（megger）兆欧表resistance阻力instrument仪器portable便携的coil线圈combination组合generator发电机current电流voltage电压measure测量energize(de-energize)通电circuit电路conductor导体clockwise顺时针

counterclockwise逆时针dependon/upon依赖于connectwith连接…beindependentof…独立CompanyLo40CompanyLogo2.2Meg-ohmmeter南通理工学院Constructionofameg-ohmmeterahanddrivendcgeneratortheinstrumentportionTwocoilsCompanyLo41CompanyLogo2.2Meg-ohmmeter南通理工学院CompanyLo42CompanyLogo2.2Meg-ohmmeter南通理工学院InstructionsforusingameggerCutoffthepowerShortcircuittestandopencircuittestcleanthemeasuringsurfacekeptthehandcrankrotateevenlyusemulti-corewireIfthepointerreacheszero,stoprotatingthehandcranktheresistancevoltageofcapacitorshouldbehigherthantheratevoltageofmeggerCompanyLo43CompanyLogo2.3Clamp-onAmmeter南通理工学院Vocabularyclamp夹钳、螺丝钳ammeter电流表common普通digital数字的Analog指针的restrict限制wire电线transformer变压器winding线圈magnetic有磁性的range范围precautionconductorcurrentvoltageohmcableCompanyLo44CompanyLogo2.3Clamp-onAmmeter南通理工学院Characteristicofclamp-onammeterItisrestrictedtoACcircuitsAttopofitisasetofjawsItcanonlymeasureoneconductoratatimeTheinstructionsofusingclamp-onammeterhavebeendescribedinthebooks.Let’slookatthebooks.CompanyLo45CompanyLogo2.3Clamp-onAmmeter南通理工学院CompanyLo46CompanyLogo2.3Clamp-onAmmeter南通理工学院CompanyLo47CompanyLogo2.3Clamp-onAmmeter南通理工学院CompanyLo48CompanyLogo2.4SolderingIron南通理工学院Vocabularysolder焊接、焊料iron烙铁weld焊接inside内部outside外部wattage瓦数power电源、功率generate产生integrate使完整、集成solderingiron电烙铁pullout拔下CompanyLo49CompanyLogo2.4SolderingIron南通理工学院Twocategoriesofsolderingiron:InsideheatingtypeoutsideheatingtypeTellmewhichoneisinsideheatingtype?CompanyLo50CompanyLogo2.4SolderingIron南通理工学院CompanyLo51CompanyLogo2.4SolderingIron南通理工学院CompanyLo52CompanyLogo2.4SolderingIron南通理工学院InstructionsforsolderingironAnironisalwaystinnedpriortosolderingacomponentinacircuit;Payattentiontothenutsbeforeandduringtheoperation;Cleanlinessisnecessaryforefficient,effectivesoldering;Itemstobesolderedalsoshouldbetinned.CompanyLo53CompanyLogo2.5OtherCommonElectricTools南通理工学院Vocabularyelectrician电工plier钳子tool工具screw螺丝combinationpliers钢丝钳needle-nosepliers尖嘴钳wire-strippingpliers剥线钳diagonalpliers断线钳、斜口钳wirecrimpingpliers压线钳screwdriver螺丝刀electricaltestpen低压验电笔CompanyLo542.5OtherCommonElectricTools南通理工学院pliersCombinationpliersNeedle-noseplierswire-strippingpliersdiagonalplierswirecrimpingpliers2.5OtherCommonElectricTool55CompanyLogo2.5OtherCommonElectricTools南通理工学院Twocategoriesofscrewdriver:flatbladescrewdriverphillipsheadscrewdriverCompanyLo56CompanyLogo2.5OtherCommonElectricTools南通理工学院Anelectricaltesterpenortestpenisadeviceforquicklycheckingwhetheraconductorislive.Thedevicemayhavetheformofscrewdriver,showinfollowingfigure.CompanyLo57CompanyLogo2.5OtherCommonElectricTools南通理工学院CompanyLo58CompanyLogoChapter5.MarineElectricMotorDrivenSystemsChapter4.ThreePhaseACInductionMotorChapter3.ShipboardElectricCable,LightingMotorChapter2.CommomMeasureDevicesandToolsChapter1.ElectricalSafetyContentsChapter6.AnalogElectronicsChapter7.DigitCircuit南通理工学院CompanyLo59CompanyLogo3.1Semiconductor南通理工学院Vocabularysemiconductor半导体junction连接model型号specification规格polarity极性forward正向的reverse反向的commondiode普通管microwavediode微波管zenerdiode稳压管parametersdiode参量管CompanyLo60CompanyLogo3.1Semiconductor南通理工学院DiodesmodelnamingrulesNamingrulesofdiodesCompanyLo61CompanyLogo2.4SolderingIron南通理工学院CommondiodesLight-emittingdiodeszenerdiodesdiodesCompanyLo62CompanyLogo3.1Semiconductor南通理工学院CompanyLo63CompanyLogo3.2InstallationandWeldingofElectronicComponents南通理工学院Vocabularycurrentvoltageresistanceammetermulti-meterdigitalmulti-meteranalogmulti-metermeasuremeasurementdiodetransistormeg-ohmmeterclamp-onammetersolderingironCompanyLo64CompanyLogo3.1Semiconductor南通理工学院transistorCompanyLo65CompanyLogo3.1Semiconductor南通理工学院NamingrulesoftransistorsreviewCompanyLo66CompanyLogoreviewreview南通理工学院multi-meterammetervoltmeterohmmetercurrentvoltageconductorenergizemeg-ohmmeterclamp-onammetersolderingironscrewdriverdiodetransistormeasuretestpenCompanyLo67CompanyLogo3.2InstallationandWeldingofElectronicComponents南通理工学院Vocabularyinstallation安装weld焊接weldment焊件electronic电子的component元件solder焊接/焊料polarity极性measure测量debug调试power电源failure故障commonfailures常见故障CompanyLo68CompanyLogo3.2InstallationandWeldingofElectronicComponents南通理工学院Basicessentialsofweldingoperationscleanthesurfacewelding;controlweldingtimeandtemperature;theamountofcontrolsolders;masterthecorrectmethodofweldingCompanyLo69CompanyLogo3.2InstallationandWeldingofElectronicComponents南通理工学院CompanyLo70CompanyLogo3.2InstallationandWeldingofElectronicComponents南通理工学院TheinstallationofelectroniccomponentsWeldingDCpowersupplyandlightcontrolcircuitTheelectroniccircuitdebuggingFindoutthecomponentsmalfunctionCompanyLo71TheEnd南通理工学院TheEnd南通理工学院72CompanyLogo3.2InstallationandWeldingofElectronicComponents南通理工学院Vocabularycurrentvoltageresistanceammetermulti-meterdigitalmulti-meteranalogmulti-metermeasuremeasurementdiodetransistormeg-ohmmeterclamp-onammetersolderingironCompanyLo73CompanyLogo3.4Applicationexperiment-temperaturecontrolcircuit南通理工学院CompanyLo74CompanyLogo3.4Applicationexperiment-temperaturecontrolcircuit南通理工学院ExperimentcontentThecircuitshowninfigure;Systemperformancetesting;Measurementofvoltageamplificationgain;Temperaturecontrolprocessofdebuggingandtesting.CompanyLo75TheEnd南通理工学院TheEnd南通理工学院76教学目的___________________________CompanyLogo“船舶电气专业英语”，是一门应用性很强的基础课程。它体现了船舶电气专业与英语的结合。是从事船舶电气行业技术研究必须具备的一项技能。前期应具备的学科基础：船舶电气设备、大学英语。南通理工学院教学目的__________________www.th77授课思路CompanyLogo结合船舶电气专业，讲解英语中的基本元素。——各项能力培养的基础南通理工学院授课思路Compan78CompanyLogo授课内容内容选择：

以船舶电气管理中涉及的电工工艺、电气控制、电子技术等为主线，主要选择以下7方面内容：

船舶电气安全知识常用测量仪表和工具船舶照明电路和船用电缆三相交流异步电机船舶电力拖动系统模拟电子技术数字电路南通理工学院CompanyLo79CompanyLogo教学目标与考核方式考核方式：平时成绩和期终考试相结合。平时成绩：出勤情况、课堂表现、作业。终期考试成绩：期末测验

教学目标：熟悉并掌握常用船舶电气专业英语词汇发音及含义。快速，准确理解船舶电气专业英语文献的含义。具备对普通船舶电气专业英语文献的翻译能力。南通理工学院专业词汇的掌握是第一位的没有专业词汇量，英语建筑就没有基石CompanyLo80CompanyLogoChapter5.MarineElectricMotorDrivenSystemsChapter4.ThreePhaseACInductionMotorChapter3.ShipboardElectricCable,LightingMotorChapter2.CommomMeasureDevicesandToolsChapter1.ElectricalSafetyContentsChapter6.AnalogElectronicsChapter7.DigitCircuit南通理工学院CompanyLo81CompanyLogo1ElectricalSafetyVocabularyvoltage电压current/ohm

corrosion腐蚀corrodedeterioration恶化deteriorateelaborate详尽的hazard危险precaution预防vulnerable易受伤害的energize

激励、通电(de-energize)threshold临界值resistance

阻力resistmomentarily随时地momentminimize

最小化maximum

最大化accidental意外的conductor导体terminal末端flammable可燃性的南通理工学院insulation绝缘insulatewire电线static静态的dynamicnavigational航行的accessory

附件/ek’seseri/discharge排放capacity容量capacitorcable电缆battery电池rotate旋转rotationreciprocate往复运动motor发动机install安装extinguisher灭火器OBA-oxygenbreathingapparatus氧气呼吸机spontaneous自发的CompanyLo82CompanyLogo1ElectricalSafetyPhrase/SentenceTheelectricalequipmentonboardashipissubjectedtoalotofmoreharshtreatment.遭受…Howtoprevent(Sb.)frombeingelectricshocked阻止某人做某事Manyworkersareunawareof意识不到…Whenpersonnelcomeincontactwithenergizedconductors接触innexttonotime很快circuitbreakers断路器radarandnavigationalequipment船舶雷达和导航设备insulateoneselffrom使隔离…depriveof失去南通理工学院CompanyLo83CompanyLogo1.1ElectricalHazardsandPrecautionMarineelectricalhazards:ElectricalshockArc-flashArc-blastvoltage//电压

moisture//潮湿electricshock//触电electricalfire//电气着火electricalhazards//电气危害Arc-flash//电弧灼伤Arc-blast//电弧击伤Allthesethreethingswillcausepersonnelinjury,whilethelattertwowillalsocauseelectricalfire.Thus,weneedtoknowhowtopreventfrombeingelectricshockedandbreakingoutofelectricalfire南通理工学院CompanyLo84CompanyLogo1.1.1ElectricShockWhenpersonnelcomeincontactwithenergizedconductorstheyreceiveashockwithcurrentflowingthroughtheirskin,musclesandorgans.Therearethreebasicpathwayselectriccurrenttravelsthroughbody:

•Touchpotential

•Steppotential

•Touch/Steppotential50mA--thesafetycurrent36V--thesafetyvoltage12V–theabsolutesafetyvoltagecurrentintensity//电流强度threshold//临界值

resistance//

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维修/管理discharge

排放capacitor电容器component电气元件

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休克、震动treatment

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南通理工学院单词达人CompanyLo93CompanyLogoAssignmentAssignment单词、词组中英文互译危害（）临界值（）电气（）

通电（）绝缘层（）导体（）预防（）设备（）电流（）电压（）电阻（）导体（）resistance（）flammable（）arc-flash（）material（）motor（）wire（）cable（）injury（）南通理工学院CompanyLo94CompanyLogoAssignmentAssignment单词、词组中英文互译Arc-blasts（）threshold（）personnelinj