铁道机车运用与维护专业英语（第2版）课件：电力机车

电力机车electriclocomotive电力机车以外部电力作为原动力，通过接触网或第三轨供电。Theelectriclocomotiveissuppliedexternallywithelectricpower,eitherthroughanoverheadpickuporthroughathird-rail.electriclocomotive电力机车由来/TheInventionoftheelectriclocomotive01电力机车工作原理/Workingprincipleofelectriclocomotive0203电力机车的优缺点/electriclocomotive’sadvantagesanddisadvantages

04相关术语/relatedterms电力机车由来TheInventionoftheelectriclocomotive01电力机车/electriclocomotive1866年，德国工程师冯•西门子发明发电机。In1866,theGermanengineervonSiemensinventedthegenerator.1879年在柏林博览会上展出世界上第一台电力机车。In1879,theworld'sfirstelectriclocomotivewasexhibitedattheBerlinExposition.generator.发电机电力机车/electriclocomotive1914年，东北的抚顺煤矿和一些工厂开始使用DC1500V电力机车In1914,theFushunCoalmineandsomefactoriesinnortheastChinabegantouseDC1500Velectriclocomotives1958年12月28日我国第一台电力机车6Y1试制成功。OnDecember28,1958,China'sfirstelectriclocomotive6y1wassuccessfullytrial-produced.electriclocomotive

6y1电力机车6y1电力机车工作原理Workingprincipleofelectriclocomotive02电力机车/electriclocomotive发电厂

高压输电线（输送电能）

牵引变电所

馈电线（输送电能）

接触网

电力机车Powerstation

high-voltagetransmissionline(transportingelectricenergy)

traction

substation

feederline(transportingelectricenergy)

overhead

pickup

electriclocomotive电力机车供电系统流程：Theflowofelectriclocomotivepowersupplysystem

：PowerstationHigh-tensiontransmissionlineoverheadpickuptraction

substationfeederlineSchematicdiagramofelectriclocomotivepowersupplysystem电力机车/electriclocomotive电力机车电气回路流程：Electricalcircuitflowofelectriclocomotive：接触网

受电弓

主断路器

主变压器

牵引绕组

硅机组（整流装置）

牵引电动机（供应直流电）

牵引电动机产生转矩)

齿轮箱（电能转变为机械能）

驱动机车动轮转动。overheadpickup

pantograph

maincircuitbreaker

maintransformer

siliconunit(rectifier)

tractionmotorsupply(dc)tractionmotorproducetorque)

gearbox

(electricalenergyintomechanicalenergy)

drivelocomotivetractionwheelrotation.25kVAC电力机车电气回路示意图Electriclocomotiveelectricalcircuitdiagram1、受电弓pantograph2、主断路器

maincircuitbreaker3、主变压器

maintransformer

4、转换硅机组Siliconconversionunit5、调压开关Voltageregulatingswitch6、硅机组

Siliconunit7、主回路柜Maincircuitcabinet8、平波电击器Flatwavedefibrillator9、牵引电动机Tractionmotor电力机车/electriclocomotive如何驾驶好一辆电力机车？Howtodriveanelectriclocomotivewell?也许我们可以从周国庆身上学到一些技能MaybewecanlearnsomeskillsfromZhouGuoqing周国庆，曾获“全国铁路青年岗位能手”“全国铁路优秀共青团员”等荣誉，6年安全值乘1200余趟。电力机车/electriclocomotive苦练，提高自身业务技能Workhardtoimproveyourbusinessskills工作中，周国庆始终严格要求自己，夯实业务基础，历经学员、副司机、司机岗位锻炼，已成长为一名业务技术过硬的预备指导司机。6年时间里，安全值乘1200余趟，实现安全零事故。Inhiswork,ZhouGuoqinghasalwaysbeenstrictwithhimself,consolidatedhisbusinessfoundation,andhasgrownintoapreparatoryguidedriverwithexcellentbusinessskillsaftertrainingasatrainee,co-driveranddriver.In6years,thesafetyvaluehasbeenmultipliedbymorethan1,200trips,andzerosafetyaccidentshavebeenachieved.电力机车/electriclocomotive奉献，彰显青年责任担当Dedication,highlightingtheresponsibilityofyoungpeople面对急难险重工作任务，他率先垂范，勇于奉献，2020年和2021年的疫情中，他连续两次主动坚守岗位20多天，带头开展志愿服务，为乘务员出退勤创造安全环境。Intheepidemicin2020and2021,hetooktheinitiativetosticktohispostformorethan20daystwiceinarow,takingtheleadincarryingoutvolunteerservicestocreateasafeenvironmentforflightattendantstogooutandwork.欣赏一下Enjoyit电力机车/electriclocomotiverelatedterms相关术语03架空接触网/overheadpickupOverheadpickupisahigh-voltagetransmissionlinesetupabovetherailinanelectrifiedrailwayforthepantographtotakethecurrent.货运机车/freight

locomotivesFreightlocomotivesarelocomotivesspeciallydesignedforhaulingfreighttrains再生制动/regenerativebrakingItisabrakingtechnologyusedinelectricvehicles.Thekineticenergyofthevehicleisconvertedandstoredduringbraking调车场/yardItisarailwaystationthatcentrallyhandlesalargenumberoftrainoperationssuchastrainarrival,disintegration,formationanddeparture电力机车/electriclocomotive电力机车的优缺点electriclocomotive’sadvantagesanddisadvantages04电力机车/electriclocomotive优势advantages0201输出功率高/Highpoweroutput加速性能好/Goodaccelerationperformancetheycanproduceevenhighershort-termsurgepowerforfastacceleration.他们可以产生更高的短期浪涌功率用来快速加速。Powerplantcapacityisfargreaterthananyindividuallocomotiveuses,soelectriclocomotivescanhaveahigherpoweroutputthandiesellocomotives.发电厂的容量远远大于任何机车的单独使用，因此电力机车可以比柴油机车具有更高的功率输出。电力机车/electriclocomotive劣势disadvantages0201依赖供电系统/Dependentpowersupplysystem维护成本高/Highmaintenancecost

Electriclocomotivesneedtoobtainelectricenergyfromthepowersupplynetworkorthepowersupplyrail,so