Week No. · Explanation of switches, lamp holders, plugs and sockets. Developments of domestic...
Transcript of Week No. · Explanation of switches, lamp holders, plugs and sockets. Developments of domestic...
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(TRADE:ELECTRICIAN)Duration:SixMonth
FirstSemesterSemesterCode:EL:SEMIWeek
No.TradePractical TradeTheory
1 Implementationintheshopfloorofthevarioussafetymeasures.VisittothedifferentsectionsoftheInstitute.Demonstrationonelementaryfirstaid.ArtificialRespirationPracticeonuseoffireextinguishers.
OccupationalSafetyandHealthBasicsafetyintroduction,Personalprotection.Basicinjuryprevention,Basicfirstaid,Hazardidentificationandavoidance,safetysignsforDanger,Warning,cautionandpersonalsafetymessage.UseofFireextinguishers.Visitandobservationofsections.VarioussafetymeasuresinvolvedintheIndustry.ElementaryfirstAid.ConceptofStandard.
2 DemonstrationofTradehandtools.Identificationofsimpletypes-screws,nuts&bolts,chassis,clamps,rivetsetc.Use,careandmaintenanceofvarioushandtools.
IdentificationofTrade-Handtools-Specifications,Usesandtheircaremaintenance.
3 Practiceinusingcuttingpliers,screwdrivers,etc.skinningthecablesandjointingpracticeonsinglestrandandmultistrandedconductor.DemonstrationandPracticeonbareconductorsjoints--suchasBritannia,straight,T,WesternunionJoints
Fundamentalofelectricity.Electrontheory-freeelectron,Fundamentalterms,definitions,unitsandeffectsofelectriccurrentExplanation,Definitionandpropertiesofconductors,insulatorsandsemi-conductors.Wires/cable&itsspecification.Typesofwirejoints&uses.
4 Practiceonsoldering&Brazing.MeasurementofResistance.DeterminationofspecificResistance.
Solders,fluxandsolderingtechnique.Brazing.Types&propertiesofresistorsSpecificResistance.
5-6
Laws.Verificationoflawsofseries,parallelandcombinationcircuits.
-Simpleelectricalcircuitsandproblems.Resistors-LawsofResistance.Series,parallelandcombinationcircuits.
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Verificationofopencircuitandclosedcircuitnetwork.Measuringunknownresistanceusingdifferentmethods-a)UsingWheatstoneBridgeb)Byvoltagedropmethod.Experimenttodemonstratethevariationofresistanceofametalwiththechangeintemperature.
Lawsandapplications.Wheatstonebridgeprincipleanditsapplications.Effectofvariationoftemperatureonresistance.Differentmethodsofmeasuringthevaluesofresistance.
7 Demonstrationandidentificationoftypesofcables.Demonstrationandpracticeonusingstandardwiregaugeµmeter.Practiceoncrimpingthimbles,Lugs.
IntroductionofNationalElectricalCodeVoltagegradingofdifferenttypesofInsulators,Temp.Risepermissible.Typesofwiresandcablesstandardwiregauge.SpecificationofwiresandCables-insulationandvoltagegrades-Low,mediumandhighvoltagePrecautionsinusingvarioustypesofcables/Ferrules
8
IdentificationanduseofwiringaccessoriesPracticeoninstallationandoverhaulingcommonelectricalaccessories.Fixingofswitches,holderplugsetc.inwooden/PVC/Metallicboards.
CommonElectricalwiringAccessories,theirspecificationsinlinewithNEC-Explanationofswitches,lampholders,plugsandsockets.Developmentsofdomesticcircuits,Alarm&switches,Use&specificationofFirealarm,MCB,ELCB,MCCB.
9-11 GroupingofDrycellsforaspecifiedvoltageandcurrent.PracticeonBatteryCharging,Preparationofbatterycharging,Testingofcells,Installationofbatteries,Chargingofbatteriesbydifferentmethods.ChargingofaLeadacidcell,fillingofelectrolytes-Testingofcharging.checkingofdischargedandfullychargedbattery.CareandmaintenanceofBatteries
Chemicaleffectofelectriccurrent-Principleofelectrolysis.
BasicprinciplesofElectroplatingandElectrochemicalequivalents.ExplanationofAnodesandCathodes.Cells-Primary&SecondaryLeadacidcell-description,methodsofcharging-Precautionstobetaken&testingequipment,Ni-cadmium&Lithiumcell,Cathodicprotection.Electroplating,Anodising.Differenttypesofleadacidcells.Applicationofbattery/cellinInverter,BatteryCharger,UPS,etc.LeadAcidcell,generaldefectsandremedies.NickelAlkaliCell-descriptioncharging.Powerandcapacityofcells.Efficiencyofcells.Rechargeabledrycell,descriptionadvantagesanddisadvantages.Careandmaintenanceofcells
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Groupingofcellsofspecifiedvoltageandcurrent,SealedMaintenancefreeBatteries,Solarbattery.
12-13 ALLIEDTRADES:Markinguseofchiselsandhacksawonflats,sheetmetalfilingpractice,filingtruetoline.Sawingandplanningpractice.Practiceinusingfirmerchiselandpreparingsimplehalflapjoint.
Introductionoffittingtrade.SafetyprecautionstobeobservedDescriptionoffiles,hammers,chiselshacksawframesandblades-theirspecificationandgrades.Careandmaintenanceofsteelrule,trysquareandfiles.Markingtoolsdescriptionanduse.Descriptionof
planes,chiselsmalletclawhammer,marking,dividingandholdingtools-theircareandmaintenance.
14 Drillingpracticeinhanddrillingandpowerdrillingmachines.GrindingpracticePracticeinusingtapsanddies,threadinghexagonalandsquarenutsetc.cuttingexternalthreadsonstudandonpipes,rivetingpractice.
Typesofdrillsdescriptionanddrillingmachines,properuse,careandmaintenance.Descriptionoftapsanddies,typesofrivetsandrivetedjoints.Useofthreadgauge.
15 Practiceinusingsnips,markingandcuttingofstraightandcurvedpiecesinsheetmetals.Bendingtheedgesofsheetsmetals.Rivetingpracticeinsheetmetal.Practiceinmakingdifferentjointsinsheetmetalinsolderingthejoints.
Descriptionofmarkingandcuttingtoolssuchassnubsshearspunchesandothertoolslikehammers,mallets,etc.usedbysheetmetalworkers.Differenttypessolderingmaterials,fluxesandprocess.Typesofdifferentsolderingironsandtheirproperuses.Useofdifferentbenchtoolsusedbysheetmetalworker.
16-17 Tracethemagneticfield.Assembly/windingofasimpleelectromagnet.Useofmagneticcompass.IdentificationofdifferenttypesofCapacitors.Charginganddischargingofcapacitor,TestingofCapacitorsusingDCvoltageandlamp.
Magnetism-classificationofmagnets,methodsofmagnetising,magneticmaterials.Properties,careandmaintenance.ParaandDiamagnetismandFerromagneticmaterials.Principleofelectro-
rules,Magneticfieldofcurrentcarryingconductors,loopandsolenoid.MMF,Fluxdensity,reluctance.B.H.curve,Hysteresis,Eddycurrent.Principleofelectro-
Electrostatics:Capacitor-Differenttypes,functionsanduses.
18-19 DeterminethecharacteristicsofRL,RCand
AlternatingCurrent-ComparisonandAdvantagesD.CandA.C.Relatedterms
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RLCinA.C.Circuitsbothinseriesandparallel.Experimentonpolyphasecircuits.Current,voltage,powerandpowerfacormeasurementinsingle&poly-phasecircuits.Measurementofenergyinsingleandpoly-phasecircuits.-Useofphasesequencemeter.
frequencyInstantaneousvalue,R.M.S.valueAveragevalue,Peakfactor,formfactor.Generationofsinewave,phaseandphasedifference.InductiveandCapacitivereactanceImpedance(Z),powerfactor(p.f).ActiveandReactivepower,SimpleproblemsonA.C.circuits,singlephaseandthree-phasesystemetc.ProblemsonA.C.circuits.Powerconsumptioninseriesandparallel,P.F.etc.Conceptthree-phaseStarandDeltaconnection.Lineandphasevoltage,currentandpowerina3phasecircuitswithbalancedandunbalancedload.
20 PracticeonEarthing-differentmethodsofearthing.MeasurementofEarthresistancebyearthtester.TestingofEarthLeakagebyELCBandrelay.
Earthing-Principleofdifferentmethodsofearthing.i.e.Pipe,Plate,etcImportanceofEarthing.ImprovingofearthresistanceEarthLeakagecircuitbreaker(ELCB).InabsenceoflatestrevisioninrespectiveBISprovisionforEarthingitisrecommendedtofollowIECguidelines.
21 DeterminetheresistancebyColourcodingIdentificationofactive/passivecomponents.Diodes-symbol-Tests-Construct&TestHalfwaverectifierckt.Fullwaverectifierckt.Bridgerectifierckt.
Basicelectronics-Semiconductorenergylevel,
Typeofmaterials P-N-junction.ClassificationofDiodes ReverseandForwardBias,Heatsink.SpecificationofDiodePIVrating.ExplanationandimportanceofD.C.rectifiercircuit.Halfwave,FullwaveandBridgecircuit.Filtercircuits-passivefilter.
22-23 Industrialvisit/projectwork
24-25 NCVTEXAMINATION
26 SemesterGap
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CTSFirstSemester:(Electrician,Wireman,Electroplater,Lift&EscalatorMech.)LISTOFTOOLSandEQUIPMENT
A. TRAINEESTOOLKITFOR16TRAINEES+1INSTRUCTOR
TOOLKITSl.No.
Nameoftheitems Quantity Remarks
1 SteelTape,15mlength 17Nos. Sr.No.1to18toolkitstobeCommonfor1to4semesters.
2 PlierInsulated,150mm 17Nos.3 PlierSideCutting,150mm 17Nos.4 ScrewDriver,100mm 17Nos.5 ScrewDriver,150mm 17Nos.
6ElectricianConnector,screwdriverinsulatedhandlethinstem,100mm 17Nos.
7 HeavyDutyScrewDriver,200mm 17Nos.
8ElectricianScrewDriverthinsteminsulatedhandle,250mm 17Nos.
9 PunchCentre,150mmX9mm 17Nos.10 KnifeDoubleBladedElectrician 17Nos.11 NeonTester 17Nos.12 SteelRule300mm 17Nos.13 Hammer,crosspeenwithhandle 17Nos.14 Hammer,ballpeenWithhandle 17Nos.15 Gimlet6mm. 17Nos.16 Bradawl 17Nos.17 Scriber(Knurledcentreposition) 17Nos.18 Pincer150mm 17Nos.NOTE:For2ndUnitoftheTrade,onlyTraineesToolKit(fromSlNo-1to18)isrequiredadditionally.
B.SHOPTOOLS,INSTRUMENTSandMACHINERY
1 C-Clamp200mm,150mmand100mm2Noseach
Commonfor1to4
semesters.2 SpannerAdjustable150mm,300mm
2Noseach
3 Blowlamp0.5ltr 1 4 MeltingPot 1 5 Ladel 1No 6 ChiselColdfirmer25mmX200mm 2 Common
for1to4semesters.
7 Chisel25mmand6mm
2Noseach
8 HandDrillMachine 19 PortableElectricDrillMachine6mmcapacity 1
10 PillarElectricDrillMachine12mmcapacity 111 AllenKey 1set12 OilCan0.12ltr 113 GreaseGun 1No14 OutSideMicrometer 2 Common
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for1to3semesters.
15 MotorisedBenchGrinder 1 Commonfor1to4
semesters.
16 Rawlplugtoolandbit 2set17 PullyPuller 218 BearingPuller 219 Pipevice 420 Thermometer0to100degCentigrade 1No.
21 Scissorsblade150mm 4Nos.
Commonfor1&3
semesters22 CrimpingTool 2sets Common
for1to4semesters.
23 Wirestripper20cm 2Nos.24 ChiselColdflat12mm 2Nos.25 Mallethardwood0.50kg 4Nos.26 HammerExtractortype0.40kg 4Nos.
27 Hacksawframe200mm300mmadjustable2Nos.each
28 TrySquare150mmblade 4Nos.
Commonfor1to3
semesters.
29 OutsideandInsideDividerCalliper2Nos.each
30 Pliersflatnose150mm 4Nos. Commonfor1to4
semesters.
31 Pliersroundnose100mm 4Nos.
32 Tweezers100mm 4Nos.
33 SnipStraightandBent150mm2Nos.each
Commonfor1,&3
semesters.
34 D.E.metricSpanner 2Nos. Commonfor1to4
semesters.
35 Drillhandbrace 4Nos.36 DrillS.S.Twistblock2mm,5mm6mmsetof3 4Set
37 Plane,smoothingcutters50mm2Nos.each
38 Gauge,wireimperial 2Nos.39 Fileflat200mm2ndcut 8Nos.40 Filehalfround200mm2ndcut 4Nos.41 Fileround200mm2ndcut 4Nos.42 Fileflat150mmrough 4Nos.43 Fileflat250mmbastard 4Nos.44 Fileflat250mmsmooth 4Nos. 45 FileRasp,halfround200mmbastard 4Nos.
46 SolderingIron25watt,65watt,125watt2Nos.each
47 Copperbitsolderingiron0.25kg. 2Nos. 48 DesolderingGun 4Nos. Common
for1to4semesters.
49 HandVice50mmjaw 4Nos. 50 TableVice100mmjaw 8Nos.
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51 PipeCuttertocutpipesupto5cm.dia 4Nos. Common
for1,to3semesters.
52 PipeCuttertocutpipesabove5cmdia 2Nos.53 StockandDiesetfor20mmto50mmG.I.pipe 1set54 StockandDiesconduit 1No.
55 OhmMeter;SeriesType&ShuntType2Nos.each
Commonfor1to4
semesters.56
MultiMeter(analog)0to1000MOhms,2.5to500V 2Nos.
57 DigitalMultiMeter 6Nos.58 A.C.VoltmeterM.I.0 500VA.C 1No. 59 MilliVoltmetercentrezero100 0 100mvolt 1No. 60 D.C.Milliammeter0-500mA 1No. 61 AmmeterMC0-5A,0-25A 1No.each 62 A.C.AmmeterM.I.0-5A,0-25A 1No.each 63 KiloWattmeter0-1-3kw 1No.
64A.C.EnergyMeter,Singlephase5amp.ThreePhase15amp
1No.each
65 PowerFactorMeter 1No. 66 FrequencyMeter 1No. 67 Fluxmeter 1No. 68 WheatStoneBridgewithgalvanometerandbattery 1No. 69 LaboratoryTypeInductionCoil 1No. 70 DCPowerSupply0-30V,2amp 1No. Common
for1,to3semesters.
71
Rheostat0-1Ohm,5Amp0-10Ohm,5Amp0-25Ohm,1Amp0-300Ohm,1Amp
1No.each
72 1PhaseVariableAutoTransformer
1No. Commonfor1to4
semesters.
73 BatteryCharger 1No. 74 Hydrometer 1No. 75 MiniatureBreaker16amp(RawMaterial) 1No. Common
for1to4semesters.
76 WorkingBench2.5mx1.20mx0.75m 4Nos. 77 FireExtinguisherCO2,2KG 2Nos. 78 FireBuckets 2Nos. Note:Theitemswhichareavailableinthemarketnearestofthespecificationasmentionedabovemaybeprocured.
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FURNITURE:
Sl.No.
Nameoftheitems Quantity Remarks
1 1No. Commonfor1to4
semesters
2 2Nos.3 MetalRack100cmx150cmx45cm 4Nos.4 Lockerswith16drawersstandardsize 2Nos.5 Almirah2.5mx1.20mx0.5m 1No.6 Blackboard/whiteboard 1No.
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Duration:SixMonth
SecondSemesterSemesterCode:ELE:SEMII
WeekNo.
Tradepractical TradeTheory
1-2 DifferentwaveshapesofrectifiersandtheirvaluesusingC.R.O.Identificationofterminals,construction&Testingoftransistor.AssemblyandtestingofasinglestageAmplifierandcheckingusinganoscilloscope.
Workingprincipleandusesofanoscilloscope.Explanationofprincipleofworkingofatransistor&configuration.Typesoftransistors&itsapplication.Specificationandratingoftransistors.ExplanationoftransistorAmplifiers,Amplifiers. classA,BandCPoweramplifier
3-4 MeasureVoltage,current&waveshapeofoscillatorusingCRO.SimplecircuitscontainingU.J.T.fortriggering,FETasanamplifierandPowercontrolcircuitsbyS.C.R.andDiac,triac,I.G.B.T.Logicgatesandcircuits.
Explanationofoscillator-workingprincipleExplanationofstagesandtypes.Multivibrator applications.IntroductionofbasicconceptofICs,U.J.T.,F.E.T.Basicconceptofpowerelectronicsdevicese.g.S.C.R.,Diac,Triac,powerMOSFET,G.T.OandI.G.B.T.DigitalElectronics-Binarynumbers,logicgatesandcombinationalcircuits,
5-6 Practiceincasing,Capping.Conduitwiringwithminimumtomorenumberofpoints.Useoftwowayswitches.Testingofwiringinstallationbymeggar.-Fixingofcallingbells/buzzers.-Makingoftestboards&extensionboardsIdentification&demonstrationonconduitsandaccessories&theiruses,cutting,threading&layingInstallation,Testing,MaintenanceandRepairingofwiring.
Electricwirings,I.E.rules.Typesofwiringsbothdomesticandindustrial.Specificationsforwiring.Gradingofcablesandcurrentratings.Principleoflayingoutindomesticwiring.Voltagedropconcept.Wiringsystem-P.V.C.,concealedsystem.MaintenanceandRepairingdatasheetpreparation.Specifications,standardsforconduitsandaccessories-PowerWiring-ControlWiring-InformationCommunication-EntertainmentWiring.Testingofwiringinstallationbymeggar.
7 Applicationoffuses,relay,MCB,ELCB.
StudyofFuses,Relays,Miniaturecircuitbreakers(MCB),ELCB,etc.
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8-9 IdentificationofthepartsofaD.C.machine.ConnectionofshuntGeneratorsVoltagesbuildupinDCShuntGenerator(OCC)Measurementofvoltages,Demonstrationonfieldexcitation.
D.C.Machines-GeneralconceptofElectricalMachines.
PrincipleofD.C.generator.UseofArmature,FieldCoil,Polarity,Yoke,CoolingFan,Commutator,slipringBrushes,Laminatedcore.
ExplanationofD.C.Generators-types,parts.E.M.F.equation-selfexcitationandseparatelyexcitedGenerators-Practicaluses.Briefdescriptionofseries,shuntandcompoundgenerators.
10-11 ConnectionofcompoundGenerator,Voltagemeasurement,cumulativeanddifferential NoLoadandLoadcharacteristicsofSeries,ShuntandCompoundGenerator.ControllingandprotectingDCGenerator.PracticingdismantlingandassemblinginD.C.Machine.
ExplanationofArmaturereaction,interpolesandtheiruses,connectionofinterpoles,Commutation.Losses&EfficiencyofD.C.Generator,ParallelOperationofD.C.Generator.ApplicationofD.C.generators.Care,Routine&preventivemaintenance.
12-13 IdentificationofpartsandterminalsofDCmotors.Connection,starting,runningofDCmotorsusingStarters.CharacteristicscurveofDCmotors.PracticalapplicationofD.C.motors.
DCMotors-TermsusedinD.C.motor-Torque,BrakeTorque,speed,Back-e.m.f.etc.andtheirrelations,TypesofD.C.Motor.StartersusedinD.C.motorsRelatedproblemsCharacteristicsofD.C.Motor,Losses&Efficiency,ApplicationofD.C.motors.Care,Routine&preventivemaintenance.
14 SpeedcontrolofDCmotorsbyvoltage,field,armature&Word-Leonardsystem.
TypesofspeedcontrolofDCmotorsinindustry.Controlsystem.AC-DC,DC-DCcontrol.
15-18 Identificationoftypesoftransformers.Connectionoftransformers,Transformationratio,OC(No-load)andSC(shortcircuit)tests,efficienciesoftransformers,testingoftransformer,paralleloperationoftransformer.UseofCurrentTransformer(C.T.)andPotential
WorkingprincipleofTransformer.classificationC.T.,P.T.InstrumentandAutoTransformer(Variac),Construction,SinglephaseandPolyphase.E.M.F.equation,paralleloperationoftransformer,theirconnections.Regulationandefficiency.TypeofCoolingfortransformer.Protectivedevices.Specifications,simpleproblemsone.m.f.Equation,turnratio,regulationsand
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(Voltage)transformer(P.T.)TestingofsinglephaseandThreePhaseTransformers-Cleaning,maintenance,testingandchangingofoil.Singleandthreephaseconnection.
efficiency.Specialtransformers.Transformer Classificationoftransformer.Components,Auxiliarypartsi.e.breather,Conservator,buchholzerelay,otherprotectivedevices.TransformeroiltestingandTapchanger(offloadandonload).Drytypetransformer.Bushingsandtermination.
19-21 IdentifythetypeofInstruments.Useof-PMMC,MImeter,Multi-meter(Digital/Analog),Wattmeter,PFmeter,Energymeter,Frequencymeter,Calibrationof-Multi-meterPhasesequencemeter,DigitalInstruments,etcCalibrationofEnergymeter.
ElectricalMeasuringInstruments--types,indicatingtypes.Deflectingtorque,ControllingtorqueandDampingtorque,PMMC&MImeter(Ammeter,Voltmeter)-Rangeextension-Multimeter(Digital/Analog)-Wattmeter-P.F.meter-Energymeter(Digital/analog)InsulationTester(Megger),Earthtester.
-Frequencymeter-PhaseSequencemeter-Multimeter AnalogandDigital-Tongtester-Techometer.
22-23 Industrialvisit/projectwork
24-25 NCVTEXAMINATION
26 SemesterGap
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CTSSecondSemester:Electrician
SHOPTOOLS,INSTRUMENTSandMACHINERY
Sl.No.
Nameoftheitems Quantity Remarks
1 Tachometer
1No. Commonfor2to4
semesters
2CurrentTransformer415Volt,50Hz,CTRatio150/5Amp,5VA
1No.
3PotentialTransformer415Volt,50Hz,PTRatio11KV/110V,10VA
1No.
4 Growler 1No. Commonfor2to4
semesters5 TongTester/ClampMeter0 100amp.AC 1No. 6 Megger500volts 1No.
7Contactor&auxiliarycontacts3phase,440volt,16amp(RawMaterial)
1No.each
8Contactor&auxiliarycontacts3phase,440volt,32amp.(RawMaterial)
1No.each
9 LimitSwitch(RawMaterial) 1No. 10 RotarySwitch16A(RawMaterial) 1No. 11 LoadBank5KW(Lamp/heaterType) 1No.
12BrakeTestarrangementwithtwospringbalance0to25kgrating
1No. Commonfor2&3
semesters
13KnifeSwitchDPDTfittedwithfuseterminals16amp(RawMaterial)
4Nos. Commonfor2to4
semesters14
KnifeSwitchTPDTfittedwithfuseterminals16amp(RawMaterial)
4Nos.
15
VoltageStabiliserInput:150 230voltACOutput:220voltAC
1No.
16 3-pointD.C.Starter 1No. 17 4-pointD.C.Starter 1No.
18
ElectricalMachineTrainer SuitablefordemonstratingtheconstructionandfunctioningofdifferenttypesofDCmachinesandACmachines(singlephaseandthreephase).Shouldbefittedwithfrictionbrakearrangement,dynamometer,instrumentpanelandpowersupplyunit
1for8(4+4)Units
Commonfor2to4
semesters
19
Motor-Generator(ACtoDC)consistingof:SquirrelCageInductionMotorwithstardeltastarteranddirectlycoupledtoDCshuntgeneratorandswitchboardmountedwithregulator,airbreaker,ammeter,voltmeter,knifebladeswitchesandfuses,setcompletewithcaseironandplate,fixingbolts,foundationboltsandflexiblecoupling.InductionMotorrating:7HP,400V,50cycles,3phaseDCShuntGeneratorrating:5KW,440V
1No.
20 UsedDCGenerators-series,shuntandcompoundtype 1No.each
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foroverhaulingpractice21 D.C.ShuntGeneratorwithcontrolpanel,2.5KW,220V 1No.
22
D.C.CompoundGeneratorwithcontrolpanelincludingfittedrheostat,voltmeter,ammeterandbreaker,2.5KW,220V
1No.
23
DieselGeneratorSetwithchangeoverswitch,overcurrentbreakerandwater-cooledwitharmature,star-deltaconnectionsAC3phase,5KVA,240volt
1No. Commonfor2to4
semesters
24DCSeriesMotorcoupledwithmechanicalload0.5to2KW,220Volts
1No. Commonfor2&4
semesters25 DCShuntMotor2to2.5KW,220volts 1No.
26DCcompoundMotorwithstarterandswitch2to2.5KW,220volts
1No.
27SinglephaseTransformer,coretype,aircooled1KVA,240/415V,50Hz
1No.
28
Threephasetransformer,shelltypeoilcooledwithallmounting3KVA,415/240V,50Hz,(Delta/Star)
1No.
29 OscilloscopeDualTrace,30MHZ 1No. 30 FunctionGenerator 1No. 31 DiscreteComponentTrainer 1No. 32 LinearI.C.Trainer 1No. 33 DigitalI.C.Trainer 1No.
34
OilTestingKit 1No. Commonfor2&4
semestersNote:Theitemswhichareavailableinthemarketnearestofthespecificationasmentionedabovemaybeprocured.Slno.18,ElectricalMachinetrainerupto8(4+4)units-oneno.Slno.19to34for4(2+2)unitsnoadditionalitemsarerequired.
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Duration:SixMonth
ThirdSemesterSemesterCode:ELE:SEMIIIWeek
no.Tradepractical TradeTheory
1-3 IdentificationofpartsandterminalsofACmotors.Connection,starting,runningofACmotorsusingStarters.Measurementofslip,P.F.atvariousloads.PracticeonconnectionofD.O.LStarter,Star/Deltastarter,Autotransformerstarter,Rotorresistancestarter,etcSpeedcontrolofInductionmotorsbyvariousmethods.PracticalapplicationofA.C.motors.
ThreephaseInductionmotor Workingprinciple Productionofrotatingmagneticfield,SquirrelCageInductionmotor,Slip-ringinductionmotor.Construction,characteristicsandSpeedcontrol,Slip&Torque.Control&PowercircuitofstartersD.O.LStarter,Star/Deltastarter,Autotransformerstarter,Rotorresistancestarter,etcSinglephasingpreventer.Losses&efficiency.ApplicationofInductionMotorCare,Routine&preventivemaintenance.
4-5 Connectionofsinglephasemotor,identification,testing,runningandreversing.Identification,connection,testing,runningandreversingofuniversalmotor.Repulsionmotor,steppermotor.
Singlephaseinductionmotor-Workingprinciple,differentmethodofstartingandrunning(capacitorstart,permanentcapacitor,capacitorstart&run,shadedpoletechnique).FHPmotors,Repulsionmotor,steppermotor,Hysteresismotor,Reluctancemotor.ApplicationofSinglephaseinductionmotorUniversalmotor-advantages,Principle,characteristics,applicationsindomesticandindustrialappliances,FaultLocationandRectification.Brakingsystemofmotor.ApplicationofUniversalmotor.
6-7 IdentificationofpartsandterminalsofAlternator.Connection,starting,runningofAlternator.PracticalapplicationofAlternator.Practiceonalternators,voltageBuilding,loadcharacteristic,voltageregulation,Paralleloperation.Practiceoninstallation,runningandmaintenanceofAlternators.
AlternatorExplanationofalternator,typesofprimemover,efficiency,regulations,phasesequence,Paralleloperation.SpecificationofalternatorsandBrushlessalternator.VerifytheeffectofchangingthefieldexcitationandPowerfactorcorrectionofIndustrialload.
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8 IdentificationofpartsandterminalsofSynchronousmotor.Connection,starting,runningofSynchronousmotor.PlotVcurve.PracticalapplicationofSynchronousmotor.
SYNCHRONOUSMOTOR-Workingprinciple,effectofchangeofexcitationandload.VandantiVcurve.Causeoflowpowerfactor.Methodofpowerfactorimprovement.
9 Starting,running,buildingupvoltageandloadingofMotorGenerator(MG)set.MaintenanceofMGSets.SolidstatecontrollerandInvertors-OperationandUse
RotaryConverter-Inverter,M.G.Setdescription,Characteristics,specifications-runningandMaintenance.SolidstatecontrollerandInvertors.
10 PracticeonwindingofsmallTransformers.
TRANSFORMERWinding,SmallTransformerwindingtechniques
11-12 TestingofburntDCmachineforrewinding collectionofdata developeddiagramandconnection windingprocedureMakingframe(forma),coilinsulation,Slotinsulation,Insertionofcoilsinslots,coilconnection,Practiceonarmaturewinding,Growlertesting,Baking,ImpregnationandVarnishing&assembling.
DCmachineWinding--Armaturewindingterms,polepitch,coilpitch,backpitch,frontpitch,LapandWavewinding,ProgressiveandretrogressiveWinding,developeddiagram.Growlerconstruction,working&application.
13-15 Testingofburntmotorforrewinding collectionofdata developeddiagramandconnection windingprocedureMakingframe(forma),coilinsulation,Slotinsulation,Insertionofcoilsinslots,coilconnection,Practiceonsingle&doublelayer,concentricWinding,Windingoftable&ceilingfans,singlephaseandthreephasemotors testingofwoundmotorBaking,impregnatingandvarnishing&assembling.
ACmachineWinding Motorwindingterminology classificationofconductingandinsulatingmaterialsusedinwinding Typesandmethodsofwindinginsingleandthreephasemotors.Statorwindingterms,coilside,endcoilandgroupingofcoils.Connectiontoadjacentpoles,connectedstatorwinding,alternatepoleconnection,developeddiagram.
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16-17 Installationof-Mercury&Sodiumvapours(H.P.&L.P.)HalogenLampsSingleFLtubeandtwinFLtube.PracticeondecorationlightingPrincipleoflayoutoflightinginstallation.Practiceonphotocells.
Illumination,LawsofIlluminations,terminologyused,Illuminationfactors,intensityoflight importanceoflight,humaneyefactor,,units.TypesofilluminationTypeoflamps-NeonsignHalogen,Mercuryvapour,sodiumvapour,Fluorescenttube,CFL,LED,Solarlamp&photocellapplications,Decorationlighting,DrumSwitches,efficiencyinlumensperwatt,Calculationsoflumens.Estimatingplacementoflights,fansandratings.
18-19 Practiceonwiringofelectricmotor,controlpanel,etc.Trace/TestofdifferentcircuitBreakers.Protectiveandcontrolrelays,contactors,etc.OperationanduseofXLPEcables.
Industrialwiring.Codeofpracticeandrelevantspan.Wiringofelectricmotors,controlpanel,etc.Types,specifications,advantagesofdifferenttypesofcircuitbracketsconstructionandmaintenance.Workingprincipleandconstructionofdomesticandagriculturalappliances-theirmaintenance.
20-21 PracticeofwiringMaintenanceofinstitute,hostel,hotel,residentialbuilding.Layoutandrepairingofworkshopelectricalinstallation.Faultfindingpractice
CompleteHouse-wiringlayout.SplittingloadwireinaccordancewithNECI.E.E.Rules.Multi-storeyedsystem.Faultfindingandtroubleshooting.
22-23 Industrialvisit/projectwork
24-25 NCVTEXAMINATION
26 SemesterGap
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CTSThirdSemester:Electrician
SHOPTOOLS,INSTRUMENTSandMACHINERY
Sl.No.
Nameoftheitems Quantity Remarks
1 Hygrometer 1set
2
a.CutoutRelaysb.Reversecurrentc.Overcurrentd.Undervoltage
1No.each Commonfor3&4
semesters
3
Startersfor2to5H.P.A.CMotorsa.Resistancetypestarterb.DirectonlineStarterc.StarDeltaStarter-manual,semi-automaticandautomaticd.AutoTransformertype
1No.each
4
MotorGenerator(DCtoAC)setconsistingof-ShuntMotorwithstartingcompensatorandswitchdirectlycoupledtoACgeneratorwithexciterandswitchboardmountedwithregulator,breaker,ammeter,voltmeterfrequencymeter,knifebladeswitchandfusesetc.Setcompletewithcastironbedplate,fixingbolts,foundationboltsandflexiblecoupling.ShuntMotorrating:5HP,440VACGeneratorrating:3-Phase,4wire,3.5KVA,400/230Volts,0.8pf,50cycles
1No.
5
ACSquirrelCageMotorwithstardeltastarterandtriplepoleironcladswitchfuse.2to3HP,3-phase,400volts,50cycles
1No.
6ACphase-woundslipringMotorwithstarterandswitch5HP,400volts,3-phase,50cycles
1No.
7A.C.SeriestypeMotorwithmechanicalload¼HP,230V,50Hz
1No.
8SinglePhaseCapacitorMotorwithstarterswitch1HP230volt50cycles
1No.
9UniversalMotorwithstarter/switch230volt,50cycles¼HP
1No.
10 StepperMotorwithDigitalController 1No. 11 ShadedPoleMotor 1No. 12 BathImpregnating 1No. 13 OvenStove 1No.
Note:Theitemswhichareavailableinthemarketnearestofthespecificationasmentionedabovemaybeprocured.Slno.3to13for4(2+2)unitsnoadditionalitemsarerequired.
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TOOLSANDEQUIPMENTNEEDEDADDDITIONALTOEXISTINGTOOLSLIST
Sl.No.
Nameoftheitems Quantity Remarks
1Synchronousmotor3Phase,3HP,415V,50Hz,4Pole,withaccessories.
1no.
2 Luxmeter 1no.
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Duration:SixMonths
FourthSemesterSemesterCode:ELE:SEMIVWeek
No.TradePractical TradeTheory
1-3 Machinecontrolcabinet/ControlPanelLayout,Assembly&Wiring:
PracticeLayoutdrawingofcontrolcabinet,panel,power&controlcircuits
Preparingcontrolcabinet/panelwiringfor
1. Local&RemotecontrolofInductionmotor
2. Forward&ReverseoperationofInductionmotor
3. AutomaticStarDeltaStarter4. Automaticstardeltastarterwith
changeofdirectionofrotation5. Sequentialcontrolofthree
motors.
PreparationofControlcabinet&panel:Necessarymarking,cutting,filing,drilling,tappingetc.
Mountingofcontrolelements&wiringAccessories:Isolator,pushbuttonswitches,Indicatinglamps,meters,MCB,Fuse,Contactor,Relays,OverloadRelay,Timers,Rectifier,Limitswitches,controltransformers,Raceways/cablechannel,Terminalconnectorsetc.
Wiringofcontrolcabinet/panel:Asperwiringdiagram.
Bunchingofwires&cables,channelling,tyingetc.
Checking/buzzingthewiring.
Powerconnections&motorconnection&testing.
Machinecontrolcabinet/ControlPanelLayout,Assembly&Wiring:
LayoutofControlcabinet&controlpanel
Study&UnderstandLayoutdrawingofcontrolcabinet,panel,power&controlcircuits.
ControlElements:Isolator,pushbuttonswitches,Indicatinglamps,MCB,Fuse,Contactor,Relays,OverloadRelay,Timers,Rectifier,Limitswitches,controltransformers.
WiringAccessories:Raceways/cablechannel,DINRail,TerminalConnectors,Thimbles,Lugs,Ferrules,cablebindingstrap&buttons,nyloncableties,sleeves,Gromats&clips
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4-6 Repair&TestofCallingBell,Buzzer,Alarms,ElectricIron,Heater,Light.Maintenanceandrepairofdomesticequipments ElectricKettle,Heater/ImmersionHeater,HotPlate,Oven,Geyser,Cookingrange,Mixer,Washingmachine,,MotorPumpset,etc.
DomesticAppliances:Workingprinciplesandcircuitsofcommondomesticequipmentandappliances. CallingBell,Buzzer,Alarms,ElectricIron,Heater,LightElectricKettle,Heater/ImmersionHeater,HotPlate,Oven,Geyser,Cookingrange,Mixer,Washingmachine,,MotorPumpset,etc.ConceptofNeutralandEarth.
7 PracticeonThermalpowerplantsimulator(freeversion)orPlantvisit.
Topreparelayoutplan,singlelinediagramoftheThermalpowersystemofgeneration.
POWERGENERATION:Generationsourcesofenergy,Comparisonofenergyresources.Typesoffuels.Advantagesofliquidfuel&solidfuel.Variouswaysofelectricalpower
-ConventionalThermalCoalbased,dieselbased&GasbasedTurbine.Constituentsinsteampowerstation.
8 PracticeonHydropowerplantsimulator(freeversion)orPlantvisit.
Topreparelayoutplan,singlelinediagramoftheHydroelectricpowersystemofgeneration.
HydroElectric:SchematicarrangementofHydro-ElectricPowerStation.ConstituentsofHydroElectricPlant.TypesofHydroElectricPowerstation.Advantages&disadvantages.
9 PracticeonNuclearpowerplantsimulator(freeversion)orPlantvisit.
Topreparelayoutplan,singlelinediagramoftheNuclearpowersystemofgeneration.
Nuclear:SchematicarrangementofNuclearPowerStation.CompositionofanatomicNucleus.Advantages&disadvantages.ComparisonofabovePowerPlant.
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10-11 PracticeonNon-conventionalpowerplantsimulator(freeversion)orPlantvisit.Topreparelayoutplan,singlelinediagramofthenon-conventionalpowersystemofgeneration.
Non-Conventional AnintroductiontoPowergenerationthroughnon-conventionalpowergenerationsuchasSolar,Bio-Gas,WindenergyandMicro-hydel,Tidalwaves,etc.Basicprincipal,Advantages&disadvantagesofeach.
12 IdentificationandspecificationofdifferenttypeofinsulatorusedinHTline.
BindingofPintypeinsulator,shackletypeandsuspensiontypeinsulators.
Fixingofjumperbycrimpingtool.
TRANSMISSIONOFELECTRICALPOWER
ElectricalSupplySystem:
ComparisonofACandDCtransmission.AdvantagesofHightransmissionvoltage.
IntroductiontoSinglephase,threephase-3wiresystemintransmissionlines
OverheadLines:
Maincomponentsofoverheadlines-TypesofpowerlineLowvoltagelinemediumVoltageline&highvoltagelineVoltagestandardConductormaterials,linesupports,Insulators,typesofInsulators
13 Skinninganddressingofcables.
Straightjointofdifferenttypesofundergroundcables.
Test/checktheinsulationresistanceofcablesbyusingmegger.
Locatingthefaults(opencircuit,shortcircuit&leakage)incables.
UnderGroundCable:
Constructionofcables.Materialforcables,itsinsulation.Classificationofcables,cablesfor3-phaseservice,Layingofundergroundcable.Typesofcablefaultsandtheirlocation.
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14 Tovisit&preparelayoutplan,singlelinediagramofTransmission/distributionSubstation.
InstallationofbusbarandbuscoupleronLTline.
Replacementandtestingoftransformeroil.
DISTRIBUTIONOFPOWER
Functionandequipmentusedinsubstation.
Classificationofdistributionsystem-ACdistribution,Overheadv/sundergrounddistributionsystem.
Essentialfeaturesofswitchgears.Isolator,Switchgearequipments,bus-bararrangement,Shortcircuit,faultsinpowersystem.
Circuitbreakers Introduction&Classificationofcircuitbreakers
lighteningarrestorsusedinHTlines.
15-16 SpeedcontrolofDCmotor:Connection,parameterizationandspeedcontrolbyThyristor/DCDrive.
Introduction,Construction&Workingofpowertransistor,thyristor.Introduction,Construction,Working,Parameters&applicationofDCdrive.
17-18 SpeedcontrolofACmotor:-UsesofSCRandothermodernsemiconductordevicesincontrollingspeedofmotorsandinchangingthedirectionofrotationofmotors.Connection,parameterizationandspeedcontrolbyACDrive.
Speedcontrolof3phaseinductionmotorbyusingVVVF/ACDrive.Introduction,Construction,Working,Parameters&applicationofACdrive
19-21 Breakdown,Routine&PreventivemaintenanceofDC/ACmachines,Voltagestabilizer,Inverter,U.P.S.&Equipments.
Scheduleofelectricalpreventivemaintenance.Breakdown,Routine&PreventivemaintenanceofDC/ACmachines,Voltagestabilizer,U.P.S.&Equipments.
22-23 Industrialvisit/projectwork
24-25 NCVTEXAMINATION
26 SemesterGap
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CTSFourthSemester:ElectricianSHOPTOOLS,INSTRUMENTSandMACHINERY
Sl.No.
Nameoftheitems Quantity Remarks
1
Inverter-1KVAwith12VBatteryInput-12voltDC,Output-220voltAC
1No.
2
DomesticAppliances a.ElectricHotPlate1500wattb.ElectricKettle,1500wattsc.ElectricIron1500wattsd.ImmersionHeater1500watte.A.C.Fanf.Geyser(Storagetype)15ltrminimumg.Mixture&Grinder
1No.1No.1No.1No.1No.1No.1No.
3Thyristor/IGBTcontrolledD.C.motordrivewithtacho-generatorfeedbackarrangement1HP
1No.
4Thyristor/IGBTcontrolledA.C.motordrivewithVVVFcontrol3Phase,2HP
1No.
Note:Theitemswhichareavailableinthemarketnearestofthespecificationasmentionedabovemaybeprocured.Slno.1to4for4(2+2)unitsnoadditionalitemsarerequired.
TOOLSANDEQUIPMENTNEEDEDADDDITIONALTOEXISTINGTOOLSLIST
Sl.No.
Nameoftheitems Quantity
1 PentiumIVComputerorlatest(Server-Linux),2.8GHz&
Monitor,opticalscrollmouse,multimediakeyboard,32bitLANcardwithUPPport,necessaryDrivers,etc.
2Nos.
2 Inkjet/laserprinter 1No.
3 WashingMachine 1No.
4 MotorPumpset1HP,1Phase,240V 1No.
5 PinType,shackletype&suspensiontypeinsulators(RawMaterial)
2Nos.each