week no. · explanation of switches, lamp holders, plugs and sockets. developments of domestic...

of 27

(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.

of 27

Verificationofopencircuitandclosedcircuitnetwork.Measuringunknownresistanceusingdifferentmethods-a)UsingWheatstoneBridgeb)Byvoltagedropmethod.Experimenttodemonstratethevariationofresistanceofametalwiththechangeintemperature.

Lawsandapplications.Wheatstonebridgeprincipleanditsapplications.Effectofvariationoftemperatureonresistance.Differentmethodsofmeasuringthevaluesofresistance.

7 Demonstrationandidentificationoftypesofcables.Demonstrationandpracticeonusingstandardwiregauge&micrometer.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

of 27

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

of 27

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

of 27

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

of 27

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.

of 27

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.

of 27

FURNITURE:

Sl.No.


1 1No. Commonfor1to4

semesters

2 2Nos.3 MetalRack100cmx150cmx45cm 4Nos.4 Lockerswith16drawersstandardsize 2Nos.5 Almirah2.5mx1.20mx0.5m 1No.6 Blackboard/whiteboard 1No.

of 27

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.

of 27

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

of 27

(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.



26 SemesterGap

of 27

CTSSecondSemester:Electrician

SHOPTOOLS,INSTRUMENTSandMACHINERY

Sl.No.


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

of 27

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.

of 27

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.

of 27

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.

of 27

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.



26 SemesterGap

of 27

CTSThirdSemester:Electrician

SHOPTOOLS,INSTRUMENTSandMACHINERY

Sl.No.


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.


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.



26 SemesterGap

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CTSFourthSemester:ElectricianSHOPTOOLS,INSTRUMENTSandMACHINERY

Sl.No.


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

week no. · explanation of switches, lamp holders, plugs and sockets. developments of domestic...

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