Syllabus of Written Examination for the post of Trainer on ... 2017.pdfPractice on preparing...

Post Code : CTS10Trade / Subject

: ELECTRICAL / ELECTRICIAN

Syllabus of Written Examination for the post of Trainer on Contract

2018

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ELECTRICIAN

SYLLABUS FOR ELECTRICAL / ELECTRICIAN

Week No.

Learning outcome Professional Skills

Professional Knowledge

1 Apply safeworkingpractices

1. Visit various sections of theinstitutes and location ofelectrical installations. (05hrs)

2. Identify safety symbols andhazards. (05 Hrs)

3. Preventive measures forelectrical accidents andpractice steps to be taken insuch accidents. (05 hrs)

4. Practice safe methods of firefighting in case of electricalfire. (05 hrs)

5. Use of fire extinguishers. (05Hrs)

Scope of the electrician trade. Safety rules and safety signs. Types and working of fire extinguishers.

2 Apply safeworkingpractices

Complyenvironmentregulation andhousekeeping

6. Practice elementary first aid.(05 hrs)

7. Rescue a person and practiceartificial respiration. (05 Hrs)

8. Disposal procedure of wastematerials. (05 Hrs)

9. Use of personal protectiveequipments. (05 hrs)

10. Practice on cleanliness andprocedure to maintain it. (05hrs)

First aid safety practice. Hazard identification and prevention. Personal safety and factory safety. Response to emergencies e.g. power failure, system failure and fire etc.

3 Prepare profilewith anappropriateaccuracy as perdrawing.

11. Identify trade tools andmachineries. (10 Hrs)

12. Practice safe methods oflifting and handling of tools& equipment. (05 Hrs)

13. Select proper tools foroperation and precautions inoperation. (05 Hrs)

14. Care & maintenance of trade

Concept of Standards and advantages of BIS/ISI. Trade tools specifications. Introduction to National Electrical Code-2011.

SYLLABUS

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tools. (05 Hrs)

4-5 Prepare profilewith anappropriateaccuracy as perdrawing.

15. Operations of allied tradetools. (05 Hrs)

16. Workshop practice on filingand hacksawing. (10 Hrs)

17. Prepare hand coil windingassembly. ( 5 Hrs)

18. Practice on preparing T-joint,straight joint and dovetailjoint on wooden blocks. (15Hrs)

19. Practice sawing, planing,drilling and assembling formaking a woodenswitchboard. (15 Hrs)

Allied trades: Introduction to fitting tools, safety precautions. Description of files, hammers, chisels hacksaw frames, blades, their specification and grades. Marking tools description and use. Types of drills, description & drilling machines. Various wooden joints.

6-7 Prepare profilewith anappropriateaccuracy as perdrawing.

20. Practice in marking andcutting of straight andcurved pieces in metalsheets, making holes,securing by screw andriveting. (10 Hrs)

21. Workshop practice ondrilling, chipping, internaland external threading ofdifferent sizes. (20 Hrs)

22. Practice of making squareholes in crank handle. (5 Hrs)

23. Prepare an open box frommetal sheet. (15 Hrs)

Marking tools; calipers Dividers, Surface plates, Angle plates, Scribers, punches, surface gauges Types, Uses, Care and maintenance. Sheet metal tools: Description of marking & cutting tools. Types of rivets and riveted joints. Use of thread gauge. Description of carpenter’s tools Care and maintenance of tools.

8 Prepareelectrical wirejoints, carry outsoldering,crimping andmeasureinsulationresistance ofundergroundcable.

24. Prepare terminations ofcable ends (02 hrs)

25. Practice on skinning, twistingand crimping. (15 Hrs)

26. Identify various types ofcables and measureconductor size using SWGand micrometer. (8 Hrs)

Fundamentals of electricity, definitions, units & effects of electric current. Conductors and insulators. Conducting materials and their comparison.

9-10 Prepareelectrical wirejoints, carry outsoldering,crimping and

27. Make simple twist, married,Tee and western unionjoints. (18 Hrs)

28. Make britannia straight,britannia Tee and rat tail

Joints in electrical conductors. Techniques of soldering. Types of solders and flux.

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measure insulation resistance of underground cable.

joints. (18 Hrs) 29. Practice in Soldering of joints

/ lugs. (14 Hrs)

11-12 Prepareelectrical wirejoints, carry outsoldering,crimping andmeasureinsulationresistance ofundergroundcable.

30. Identify various parts,skinning and dressing ofunderground cable. (15 Hrs)

31. Make straight joint ofdifferent types ofunderground cable. (15 Hrs)

32. Test insulation resistance ofunderground cable usingmegger. (05 hrs)

33. Test underground cables forfaults and remove the fault.(15 Hrs)

Underground cables: Description, types, various joints and testing procedure. Cable insulation & voltage grades Precautions in using various types of cables.

13-14 Verifycharacteristics ofelectrical andmagneticcircuits.

34. Practice on measurement ofparameters in combinationalelectrical circuit by applyingOhm’s Law for differentresistor values and voltagesources and analyse bydrawing graphs. (15 Hrs)

35. Measure current and voltagein electrical circuits to verifyKirchhoff’s Law (10 Hrs)

36. Verify laws of series andparallel circuits with voltagesource in differentcombinations. (05Hrs)

37. Measure voltage and currentagainst individual resistancein electrical circuit (10 hrs)

38. Measure current and voltageand analyse the effects ofshorts and opens in seriescircuit. (05 Hrs)

39. Measure current and voltageand analyse the effects ofshorts and opens in parallelcircuit. (05 Hrs)

Ohm’s Law; Simple electrical circuits and problems. Kirchoff’s Laws and applications. Series and parallel circuits. Open and short circuits in series and parallel networks.

15 Verifycharacteristics of

40. Measure resistance usingvoltage drop method. (5 Hrs)

Laws of Resistance and various types of resistors.

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electrical and magnetic circuits.

41. Measure resistance usingwheatstone bridge. (5 Hrs)

42. Determine the thermaleffect of electric current. (5Hrs)

43. Determine the change inresistance due totemperature. (5 Hrs)

44. Verify the characteristics ofseries parallel combinationof resistors. (5 Hrs)

Wheatstone bridge; principle and its applications. Effect of variation of temperature on resistance. Different methods of measuring the values of resistance. Series and parallel combinations of resistors.


45. Determine the poles andplot the field of a magnetbar. (08 Hrs)

46. Wind a solenoid anddetermine the magneticeffect of electric current. (06Hrs)

47. Measure induced emf due tochange in magnetic field. (06hrs)

48. Determine direction ofinduced emf and current. (06hrs)

49. Practice on generation ofmutually induced emf. (08hrs)

50. Measure the resistance,impedance and determineinductance of choke coils indifferent combinations. (06Hrs)

51. Identify various types ofcapacitors, charging /discharging and testing. (05Hrs)

52. Group the given capacitorsto get the required capacityand voltage rating. (05 Hrs)

Magnetic terms, magnetic materials and properties of magnet. Principles and laws of electro-magnetism. Self and mutually induced EMFs. Electrostatics: Capacitor- Different types, functions, grouping and uses. Inductive and capacitive reactance, their effect on AC circuit and related vector concepts.


53. Measure current, voltageand PF and determine thecharacteristics of RL, RC andRLC in AC series circuits. (08Hrs)

Comparison and Advantages of DC and AC systems. Related terms frequency, Instantaneous value, R.M.S. value Average value, Peak factor, form

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54. Measure the resonancefrequency in AC series circuitand determine its effect onthe circuit. (07 hrs)

55. Measure current, voltageand PF and determine thecharacteristics of RL, RC andRLC in AC parallel circuits.(08 Hrs)

56. Measure the resonancefrequency in AC parallelcircuit and determine itseffects on the circuit. (07hrs)

57. Measure power, energy forlagging and leading powerfactors in single phasecircuits and comparecharacteristic graphically.(08 Hrs)

58. Measure Current, voltage,power, energy and powerfactor in three phase circuits.(07 hrs)

59. Practice improvement of PFby use of capacitor in threephase circuit.(05 Hrs)

factor, power factor and Impedance etc. Sine wave, phase and phase difference. Active and Reactive power. Single Phase and three-phase system. Problems on A.C. circuits.


60. Ascertain use of neutral byidentifying wires of a 3-phase 4 wire system and findthe phase sequence usingphase sequence meter. (10Hrs)

61. Determine effect of brokenneutral wire in three phasefour wire system.(05 hrs)

62. Determine the relationshipbetween Line and Phasevalues for star and deltaconnections. (10Hrs)

63. Measure the Power of threephase circuit for balancedand unbalanced loads. (15Hrs)

Advantages of AC poly-phase system. Concept of three-phase Star and Delta connection. Line and phase voltage, current and power in a 3 phase circuits with balanced and unbalanced load. Phase sequence meter.

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64. Measure current and voltageof two phases in case of onephase is short-circuited inthree phase four wire systemand compare with healthysystem.(10 hrs)

22-23Broad Areas:

a) Prepare and assemble a test board with switches, plug socket, lamp holder etc.b) Temperature controlled system for switching ‘ON’ and ‘OFF’ of any circuit using bi-

metallic strip.c) Series/ parallel combinational circuits

24-25

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Week No.

Learning outcome Reference

Professional Skills Professional Knowledge

27-28 Install, test andmaintenance ofbatteries andsolar cell.

65. Use of various types ofcells. (08 Hrs)

66. Practice on grouping ofcells for specified voltageand current underdifferent conditions andcare. (12 Hrs)

67. Prepare and practice onbattery charging anddetails of charging circuit.(12 Hrs)

68. Practice on routine, care/maintenance and testing ofbatteries. (08 Hrs)

69. Determine the number ofsolar cells in series /parallel for given powerrequirement. (10 Hrs)

Chemical effect of electric current and Laws of electrolysis. Explanation of Anodes and cathodes. Types of cells, advantages / disadvantages and their applications. Lead acid cell; Principle of operation and components. Types of battery charging, Safety precautions, test equipment and maintenance. Basic principles of Electro-plating and cathodic protection Grouping of cells for specified voltage and current. Principle and operation of solar cell.

29-30 Estimate,Assemble, installand test wiringsystem.

70. Identify various conduitsand different electricalaccessories. (8 Hrs)

71. Practice cutting, threadingof different sizes & layingInstallations. (17 Hrs)

72. Prepare test boards /extension boards andmount accessories likelamp holders, variousswitches, sockets, fuses,relays, MCB, ELCB, MCCBetc. (25 Hrs)

I.E. rules on electrical wiring.Types of domestic and industrialwirings.Study of wiring accessories e.g.switches, fuses, relays, MCB,ELCB, MCCB etc.Grading of cables and currentratings.Principle of laying out ofdomestic wiring.Voltage drop concept.


73. Draw layouts and practicein PVC Casing-capping,Conduit wiring withminimum to more numberof points of minimum 15mtr length. (15 Hrs)

PVC conduit and Casing-capping wiring system. Different types of wiring - Power, control, Communication and entertainment wiring. Wiring circuits planning,


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74. Wire up PVC conduit wiringto control one lamp fromtwo different places. (10Hrs)

75. Wire up PVC conduit wiringto control one lamp fromthree different places. (10Hrs)

76. Wire up PVC conduit wiringand practice control ofsockets and lamps indifferent combinationsusing switching concepts.(15 Hrs)

permissible load in sub-circuit and main circuit.


77. Wire up the consumersmain board with ICDPswitch and distributionfuse box. (10 Hrs)

78. Prepare and mount theenergy meter board. (10Hrs)

79. Estimate the cost/bill ofmaterial for wiring ofhostel/ residential buildingand workshop. (10 Hrs)

80. Practice wiring of hosteland residential building asper IE rules. (15 Hrs)

81. Practice wiring of instituteand workshop as per IErules. (15 Hrs)

82. Practice testing / faultdetection of domestic andindustrial wiringinstallation and repair. (15Hrs)

Estimation of load, cable size, bill of material and cost. Inspection and testing of wiring installations. Special wiring circuit e.g. godown, tunnel and workshop etc.

36 Plan and prepareEarthinginstallation.

83. Prepare pipe earthing andmeasure earth resistanceby earth tester / megger.(10 Hrs)

84. Prepare plate earthing andmeasure earth resistanceby earth tester / megger.(10 Hrs)

Importance of Earthing. Plate earthing and pipe earthing methods and IEE regulations. Earth resistance and earth leakage circuit breaker.

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85. Test earth leakage by ELCBand relay. (5 Hrs)

37-38 Plan and executeelectricalilluminationsystem and test.

86. Install light fitting withreflectors for direct andindirect lighting. (10 Hrs)

87. Group different wattage oflamps in series forspecified voltage. (5 Hrs)

88. Practice installation ofvarious lamps e.g.fluorescent tube, HPmercury vapour, LPmercury vapour, HPsodium vapour, LP sodium vapour, metal halide etc. (18 Hrs)

89. Prepare decorative lampcircuit using drumswitches. (5 Hrs)

90. Prepare decorative lampcircuit to produce rotatinglight effect/running lighteffect. (6 Hrs)

91. Install light fitting for showcase lighting. (6 Hrs)

Laws of Illuminations. Types of illumination system. Illumination factors, intensity of light. Type of lamps, advantages/ disadvantages and their applications. Calculations of lumens and efficiency.

39-40 Select andperformmeasurementsusing analog /digitalinstruments

92. Practice on various analogand digital measuringInstruments. (5 Hrs)

93. Practice on measuringinstruments in single andthree phase circuits e.g.multi-meter, Wattmeter,Energy meter, Phasesequence meter andFrequency meter etc. (15Hrs)

94. Measure power in threephase circuit using twowattmeter methods. (8Hrs)

95. Measure power factor inthree phase circuit by usingpower factor meter andverify the same with

Classification of electrical instruments and essential forces required in indicating instruments. PMMC and Moving iron instruments. Measurement of various electrical parameters using different analog and digital instruments. Measurement of energy in three phase circuit.

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voltmeter, ammeter and wattmeter readings. (12 Hrs)

96. Measure electricalparameters using tongtester in three phasecircuits. (10 Hrs)

41 Perform testing,verify errors andcalibrateinstruments.

97. Practice for rangeextension and calibrationof various measuringinstruments. (10 Hrs)

98. Determine errors inresistance measurementby voltage drop method. (8Hrs)

99. Test single phase energymeter for its errors. (7 Hrs)

Errors and corrections in measurement. Loading effect of voltmeter and voltage drop effect of ammeter in circuits. Extension of range and calibration of measuring instruments.

42-44 Plan and carryout installation,fault detectionand repairing ofdomesticappliances.

100. Dismantle and assembleelectrical parts of variouselectrical appliances e.g.cooking range, geyser,washing machine andpump set. (25 Hrs)

101. Service and repair of bell/buzzer. (5 Hrs)

102. Service and repair ofelectric iron, electric kettle,cooking range and geyser.(12 Hrs)

103. Service and repair ofinduction heater and oven.(10 Hrs)

104. Service and repair of mixerand grinder. (10 Hrs)

105. Service and repair ofwashing machine. (13Hrs)

Working principles and circuits of common domestic equipment and appliances. Concept of Neutral and Earth.

45-46 Execute testing,evaluateperformance andmaintenance oftransformer.

106. Verify terminals, identifycomponents and calculatetransformation ratio ofsingle phase transformers.(8 Hrs)

107. Perform OC and SC test todetermine and efficiencyof single phase

Working principle, construction and classification of transformer. Single phase and three phase transformers. Turn ratio and e.m.f. equation. Series and parallel operation of transformer. Voltage Regulation and

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transformer. (12 Hrs) 108. Determine voltage

regulation of single phasetransformer at differentloads and power factors.(12 Hrs)

109. Perform series and paralleloperation of two singlephase transformers. (12Hrs)

110. Verify the terminals andaccessories of three phasetransformer HT and LTside. (6 Hrs)

efficiency. Auto Transformer and instrument transformers (CT & PT).

47 Execute testing,evaluateperformance andmaintenance oftransformer.

111. Perform 3 phase operation(i) delta-delta (ii) delta-star(iii) star-star (iv) star-delta,by use of three singlephase transformers. (6 Hrs)

112. Perform testing oftransformer oil. (6 Hrs)

113. Practice on winding ofsmall transformer. (8 Hrs)

114. Practice of generalmaintenance oftransformer. (5 Hrs)

Method of connecting three single phase transformers for three phase operation. Types of Cooling, protective devices, bushings and termination etc. Testing of transformer oil. Materials used for winding and winding wires in small transformer.

48-49 Project work / Industrial visit Broad Areas:

a) Overload protection of electrical equipmentb) Automatic control of street light/night lampc) Fuse and power failure indicator using relaysd) Door alarm/indicatore) Decorative light with electrical flasher

50-51

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Week No.



53-54 Plan, Executecommissioningand evaluateperformance ofDC machines.

115. Identify terminals, partsand connections ofdifferent types of DCmachines. (10 Hrs)

116. Measure field andarmature resistance of DCmachines. (10 Hrs)

117. Determine build up voltageof DC shunt generator withvarying field excitation andperformance analysis onload. (15 Hrs)

118. Test for continuity andinsulation resistance of DCmachine. (5 Hrs)

119. Start, run and reversedirection of rotation of DCseries, shunt andcompound motors. (10Hrs)

General concept of rotating electrical machines. Principle of DC generator. Use of Armature, Field Coil, Polarity, Yoke, Cooling Fan, Commutator, slip ring and Brushes, Laminated core etc. E.M.F. equationSeparately excited and selfexcited generators.Series, shunt and compoundgenerators.


Execute testing,andmaintenance ofDC machines andmotor starters.

120. Perform no load and loadtest and determinecharacteristics of seriesand shunt generators. (12Hrs)

121. Perform no load and loadtest and determinecharacteristics ofcompound generators(cumulative anddifferential). (13 Hrs)

122. Practice dismantling andassembling in DC shuntmotor. (12 Hrs)

123. Practice dismantling andassembling in DCcompound generator. (13

Armature reaction, Commutation, inter poles and connection of inter poles. Parallel Operation of DC Generators. Load characteristics of DC generators. Application, losses & efficiency of DC Generators. Routine & maintenance.


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Hrs)


Execute testing,andmaintenance ofDC machines andmotor starters.

124. Conduct performanceanalysis of DC series, shuntand compound motors. (15Hrs)

125. Dismantle and identifyparts of three point andfour point DC motorstarters. (10 Hrs)

126. Assemble, Service andrepair three point and fourpoint DC motor starters.(15 Hrs)

127. Practice maintenance ofcarbon brushes, brushholders, Commutator andslip-rings. (10 Hrs)

Principle and types of DC motor. Relation between applied voltage back e.m.f., armature voltage drop, speed and flux of DC motor. DC motor Starters, relation between torque, flux and armature current. Changing the direction of rotation. Characteristics, Losses & Efficiency of DC motors. Routine and maintenance.

59-60 Execute testing,andmaintenance ofDC machines andmotor starters.

Distinguish,organise andperform motorwinding.

128. Perform speed control ofDC motors - field andarmature control method.(10 Hrs)

129. Carry out overhauling ofDC machines. (15 Hrs)

130. Perform DC machinewinding by developingconnection diagram, teston growler and assemble.(25 Hrs)

Methods of speed control of DC motors. Lap and wave winding and related terms.

61-62 Plan, Executecommissioningand evaluateperformance ofAC motors.

Execute testing,andmaintenance ofAC motors andstarters.

131. Identify parts andterminals of three phaseAC motors. (5 Hrs)

132. Make an internalconnection of automaticstar-delta starter withthree contactors. (10 Hrs)

133. Connect, start and runthree phase inductionmotors by using DOL, star-delta and auto-transformerstarters. (20 Hrs)

134. Connect, start, run andreverse direction ofrotation of slip-ring motorthrough rotor resistance

Working principle of three phase induction motor. Squirrel Cage Induction motor, Slip-ring induction motor; construction, characteristics, Slip and Torque. Different types of starters for three phase induction motors, its necessity, basic contactor circuit, parts and their functions.

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starter and determine performance characteristic. (15 Hrs)



135. Determine the efficiency ofsquirrel cage inductionmotor by brake test. (8Hrs)

136. Determine the efficiency ofthree phase squirrel cageinduction motor by no loadtest and blocked rotor test.(8 Hrs)

137. Measure slip and powerfactor to draw speed-torque (slip/torque)characteristics. (14 Hrs)

138. Test for continuity andinsulation resistance ofthree phase inductionmotors. (5 Hrs)

139. Perform speed control ofthree phase inductionmotors by various methodslike rheostatic control,autotransformer etc. (15Hrs)

Single phasing prevention. No load test and blocked rotor test of induction motor. Losses & efficiency. Various methods of speed control. Braking system of motor. Maintenance and repair.

65 Distinguish,organise andperform motorwinding.

140. Perform winding of threephase AC motor bydeveloping connectiondiagram, test andassemble. (20 Hrs)

141. Maintain, service andtroubleshoot the AC motorstarter. (05 Hrs)

Concentric/ distributed, single/ double layer winding and related terms.



142. Identify parts andterminals of different typesof single phase AC motors.(5 Hrs)

143. Install, connect anddetermine performance ofsingle phase AC motors.(15 Hrs)

144. Start, run and reverse thedirection of rotation of

Working principle, different method of starting and running of various single phase AC motors. Domestic and industrial applications of different single phase AC motors. Characteristics, losses and efficiency.

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single phase AC motors. (10 Hrs)

145. Practice on speed controlof single phase AC motors.(10 Hrs)

146. Compare starting andrunning winding currentsof a capacitor run motor atvarious loads and measurethe speed. (10 Hrs)

68-69 Distinguish,organise andperform motorwinding.

147. Carry out maintenance,service and repair of singlephase AC motors. (10 Hrs)

148. Practice on single/doublelayer and concentricwinding for AC motors,testing and assembling. (25Hrs)

149. Connect, start, run andreverse the direction ofrotation of universalmotor. (10 Hrs)

150. Carry out maintenance andservicing of universalmotor. (05 Hrs)

Concentric/ distributed, single/ double layer winding and related terms. Troubleshooting of single phase AC induction motors and universal motor.

70-71 Plan, executetesting, evaluateperformance andcarry outmaintenance ofAlternator / MGset.

Execute paralleloperation ofalternators.

151. Install an alternator,identify parts andterminals of alternator. (10Hrs)

152. Test for continuity andinsulation resistance ofalternator. (5 Hrs)

153. Connect, start and run analternator and build up thevoltage. (10 Hrs)

154. Determine the loadperformance and voltageregulation of three phasealternator. (10 Hrs)

155. Parallel operation andsynchronization of threephase alternators. (15 Hrs)

Principle of alternator, e.m.f. equation, relation between poles, speed and frequency. Types and construction. Efficiency, characteristics, regulation, phase sequence and parallel operation. Effect of changing the field excitation and power factor correction.

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72 Plan, executetesting, evaluateperformance andcarry outmaintenance ofAlternator / MGset.

156. Install a synchronousmotor, identify its partsand terminals. (10 Hrs)

157. Connect, start and plot V-curves for synchronousmotor under differentexcitation and loadconditions. (15 Hrs)

Working principle of synchronous motor. Effect of change of excitation and load. V and anti V curve. Power factor improvement.

73 Plan, executetesting, evaluateperformance andcarry outmaintenance ofAlternator / MGset.

158. Identify parts andterminals of MG set. (5Hrs)

159. Start and load MG set with3 phase induction motorcoupled to DC shuntgenerator. (20 Hrs)

Rotary Converter, MG Set description and Maintenance.

74-75 Project work/Industrial visit (optional) Broad Areas:

a) Phase sequence checker for 3 phase supplyb) Induction motor protection systemc) Motor starters with protectiond) Solar/wind power generation

76-77

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Week No.



79 Assemble simpleelectroniccircuits and testfor functioning.

160. Determine the value ofresistance by colour codeand identify types. (10 Hrs)

161. Test active and passiveelectronic components andits applications. (15 Hrs)

Resistors – colour code, types and characteristics. Active and passive components. Atomic structure and semiconductor theory.

80-81 Assemble simpleelectroniccircuits and testfor functioning.

162. Determine V-Icharacteristics ofsemiconductor diode. (10Hrs)

163. Construct half wave, fullwave and bridge rectifiersusing semiconductordiode. (10 Hrs)

164. Check transistors for theirfunctioning by identifyingits type and terminals. (10Hrs)

165. Bias the transistor anddetermine itscharacteristics. (10 Hrs)

166. Use transistor as anelectronic switch andseries voltage regulator.(10 Hrs)

P-N junction, classification,specifications, biasing andcharacteristics of diodes.Rectifier circuit - half wave, fullwave, bridge rectifiers and filters.Principle of operation, types,characteristics and variousconfiguration of transistor.Application of transistor as aswitch, voltage regulator andamplifier.


167. Operate and set therequired frequency usingfunction generator. (12Hrs)

168. Make a printed circuitboard for power supply.(10 Hrs)

169. Construct simple circuitscontaining UJT fortriggering and FET as anamplifier. (12 Hrs)

Basic concept of power electronics devices. IC voltage regulators Digital Electronics - Binary numbers, logic gates and combinational circuits.


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170. Troubleshoot defects insimple power supplies. (16Hrs)


171. Construct power controlcircuit by SCR, Diac, Triacand IGBT. (15 Hrs)

172. Construct variable DCstabilized power supplyusing IC. (10 Hrs)

173. Practice on various logicsby use of logic gates andcircuits. (15 Hrs)

174. Generate and demonstratewave shapes for voltageand current of rectifier,single stage amplifier andoscillator using CRO. (10Hrs)

Working principle and uses of oscilloscope. Construction and working of SCR, DIAC, TRIAC and IGBT. Principle, types and applications of various multivibrators.

86-87 Assembleaccessories andcarry out wiringof controlcabinets andequipment.

175. Design layout of controlcabinet, assemble controlelements and wiringaccessories for:

(i) Local and remote controlof induction motor. (15Hrs)

(ii) Forward and reverseoperation of inductionmotor. (10 Hrs)

(iii) Automatic star-deltastarter with change ofdirection of rotation. (15Hrs)

(iv) Sequential control ofthree motors. (10 Hrs)

Study and understand Layout drawing of control cabinet, power and control circuits. Various control elements: Isolators, pushbuttons, switches, indicators, MCB, fuses, relays, timers and limit switches etc.

88-89 Assembleaccessories andcarry out wiringof controlcabinets andequipment.

176. Carry out wiring of controlcabinet as per wiringdiagram, bunching of XLPEcables, channeling, tyingand checking etc. (15 Hrs)

177. Mount various controlelements e.g. circuitbreakers, relays,contactors and timers etc.(10 Hrs)

Wiring accessories: Race ways/ cable channel, DIN rail, terminal connectors, thimbles, lugs, ferrules, cable binding strap, buttons, cable ties, sleeves, gromats and clips etc. Testing of various control elements and circuits.

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178. Identify and installrequired measuringinstruments and sensors incontrol panel. (10 Hrs)

179. Test the control panel forits performance. (15 Hrs)

90-91 Perform speedcontrol of ACand DC motorsby using solidstate devices.

180. Perform speed control ofDC motor using thyristors /DC drive. (18 Hrs)

181. Perform speed control andreversing the direction ofrotation of AC motors byusing thyristors / AC drive.(18 Hrs)

182. Construct and test auniversal motor speedcontroller using SCR. (14Hrs)

Working, parameters and applications of AC / DC drive. Speed control of 3 phase induction motor by using VVVF/AC Drive.

92-94 Detect the faultsandtroubleshootinverter,stabilizer,battery charger,emergency lightand UPS etc.

183. Assemble circuits ofvoltage stabilizer and UPS.(15Hrs)

184. Prepare an emergencylight. (10 Hrs)

185. Assemble circuits ofbattery charger andinverter. (15 Hrs)

186. Test, analyze defects andrepair voltage stabilizer,emergency light and UPS.(15 Hrs)

187. Maintain, service andtroubleshoot batterycharger and inverter. (10Hrs)

188. Install an Inverter withbattery and connect it indomestic wiring foroperation. (10 Hrs)

Basic concept, block diagram and working of voltage stabilizer, battery charger, emergency light, inverter and UPS. Preventive and breakdown maintenance.

95 Erect overheaddomestic serviceline and outlinevarious powerplant layout.

189. Draw layout of thermalpower plant and identifyfunction of different layoutelements. (5 Hrs)

190. Draw layout of hydelpower plant and identify

Conventional and non-conventional sources of energy and their comparison. Power generation by thermal and hydel power plants.

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functions of different layout elements. (5 Hrs)

191. Visit to transmission /distribution substation. (10Hrs)

192. Draw actual circuit diagramof substation visited andindicate variouscomponents. (5 Hrs)

96 Plan, assembleand install solarpanel.

Erect overheaddomestic serviceline and outlinevarious powerplant layout.

193. Prepare layout plan andIdentify different elementsof solar power system. (05Hrs)

194. Prepare layout plan andIdentify different elementsof wind power system. (05Hrs)

195. Assemble and connectsolar panel forillumination. (15 Hrs)

Various ways of electrical power generation by non-conventional methods. Power generation by solar and wind energy. Principle and operation of solar panel.


196. Practice installation ofinsulators used in HT/LTline for a given voltagerange. (5 hrs)

197. Draw single line diagram oftransmission anddistribution system. (5 Hrs)

198. Measure current carryingcapacity of conductor forgiven power supply. (5 hrs)

199. Fasten jumper in pin,shackle and suspensiontype insulators. (10 Hrs)

Transmission and distribution networks. Line insulators, overhead poles and method of joining aluminum conductors.


200. Erect an overhead serviceline pole for single phase230 V distribution systemin open space. (10 Hrs)

201. Practice on laying ofdomestic service line. (10Hrs)

202. Install bus bar and buscoupler on LT line. (5 Hrs)

Safety precautions and IE rules pertaining to domestic service connections. Various substations. Various terms like – maximum demand, average demand, load factor, diversity factor, plant utility factor etc.

99 Examine thefaults and carry

203. Identify various parts ofrelay and ascertain the

Types of relays and its operation. Types of circuit breakers, their

43

ELECTRICIAN

out repairing of circuit breakers.

operation. (5 Hrs) 204. Practice setting of pick up

current and time settingmultiplier for relayoperation. (5 hrs)

205. Identify the parts of circuitbreaker, check itsoperation. (5Hrs)

206. Test tripping characteristicof circuit breaker for overcurrent and short circuitcurrent. (5 hrs)

207. Practice on repair andmaintenance of circuitbreaker. (5 hrs)

applications and functioning. Production of arc and quenching.

100-101

Broad Areas: a) Battery charger/Emergency lightb) Control of motor pump with tank levelc) DC voltage converter using SCRsd) Logic control circuits using relayse) Alarm/indicator circuits using sensors

102-103

104

Syllabus of Written Examination for the post of Trainer on ... 2017.pdfPractice on preparing...

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