Electrician_Trade Practical_Second Year

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Course Overview

Schedule of Classes

Course Curriculum

1 Subject

ELECTRICIAN_TRADE_PRACTICAL_SECOND_YEAR_2022

112 Learning Materials

MODULE 1 - D.C. MACHINES

Exercise 107(A) - Identify terminals, parts and connections of different types of DC machines

Exercise 107(B) - Identify terminals, parts and connections of different types of DC machines

Exercise 108(A) - Measure field and armature resistance of DC machines

Exercise 108(B) - Measure field and armature resistance of DC machines

Exercise 109 - Determine build up voltage of DC shunt generator with varying field excitation

Exercise 110 - Test for continuity and insulation resistance of DC machine

Exercise 111(A) - Start, run and reverse direction of rotation of DC series, shunt

Exercise 111(B) - Start, run and reverse direction of rotation of DC series, shunt

Exercise 111(C) - Start, run and reverse direction of rotation of DC series, shunt

MODULE 2 - ARMATURE REACTION AND COMMUTATION

Exercise 112(A) - Perform no load and load test and determine characteristics of series

Exercise 112(B) - Perform no load and load test and determine characteristics of series

Exercise 113 - Perform no load and load test and determine characteristics of compound generators

Exercise 114 - Practice dismantling and assembling in DC shunt motor

Exercise 115 - Practice dismantling and assembling in DC compound generator

MODULE 3 - D.C. MOTOR

Exercise 116(A) - Conduct performance analysis of DC series, shunt and compound motors

Exercise 116(B) - Conduct performance analysis of DC series, shunt and compound motors

Exercise 116(C) - Conduct performance analysis of DC series, shunt and compound motors

Exercise 117 - Dismantle and identify parts of three point and four-point DC motor starters

Exercise 118 - Assemble, Service and repair three point and four-point DC motor starters

Exercise 119 - Practice maintenance of carbon brushes, brush holders, Commutator and sliprings.

MODULE 4 - METHODS OF SPEED CONTROL AND WINDING TERMS

Exercise 120(A) - Perform speed control of DC motors - field and armature control method

Exercise 120(B) - Perform speed control of DC motors - field and armature control method.

Exercise 121 - Carry out overhauling of DC machines

Exercise 122 - Perform DC machine winding by developing connection diagram, test on growler

MODULE 5 - THREE PHASE INDUCTION MOTOR

Exercise 123 - Identify parts and terminals of three phase AC motors

Exercise 124 - Make an internal connection of automatic star-delta starter with three contactors

Exercise 125 - Connect, start and run three phase induction motors by using DOL, star-delta

Exercise 126 - Connect, start, run and reverse direction of rotation of slip-ring motor

MODULE 6 - METHODS OF SPEED CONTROL

Exercise 127 - Determine the efficiency of squirrel cage induction motor by brake test

Exercise 128 - Determine the efficiency of three phase squirrel cage induction motor by no load test

Exercise 129 - Measure slip and power factor to draw speed-torque (slip/torque) characteristics

Exercise 130 - Test for continuity and insulation resistance of three phase induction motors

Exercise 131 - Perform speed control of three phase induction motors by various methods

MODULE 7 - THREE PHASE WINDING IN A.C. MACHINES

Exercise 132 - Perform winding of three phase AC motor by developing connection diagram, test

Exercise 133 - Maintain, service and troubleshoot the AC motor starter

MODULE 8 - SINGLE PHASE AC MOTORS

Exercise 134 - Identify parts and terminals of different types of single-phase AC motors

Exercise 135 - Install, connect and determine performance of single-phase AC motors

Exercise 136 - Start, run and reverse the direction of rotation of single-phase AC motors

Exercise 137 - Practice on speed control of single-phase AC motors

Exercise 138 - Compare starting and running winding currents of a capacitor run motor

MODULE 9 - TROUBLESHOOTING OF SINGLE PHASE A.C. INDUCTION MOTORS

Exercise 139 - Carry out maintenance, service and repair of single-phase AC motors

Exercise 140 - Practice on single/double layer and concentric winding for AC motors, testing

Exercise 141 - Connect, start, run and reverse the direction of rotation of universal motor

Exercise 142 - Carry out maintenance and servicing of universal motor

MODULE 10 - ALTERNATOR

Exercise 143 - Install an alternator, identify parts and terminals of alternator

Exercise 144 - Test for continuity and insulation resistance of alternator

Exercise 145 - Connect, start and run an alternator and build up the voltage

Exercise 146 - Determine the load performance and voltage regulation of three phase alternator

Exercise 147 - Parallel operation and synchronization of three phase alternators

MODULE 11 - SYNCHRONOUS MOTOR

Exercise 148 - Install a synchronous motor, identify its parts and terminals

Exercise 149 - Connect, start and plot V-curves for synchronous motor under different excitation

MODULE 12 - ROTARY CONVERTER AND MG SET

Exercise 150 - Identify parts and terminals of MG set

Exercise 151 - Start and load MG set with 3 phase induction motor coupled to DC shunt generator

MODULE 13 - ELECTRONIC COMPONENT

Exercise 152 - Determine the value of resistance by colour code and identify types

Exercise 153 - Test active and passive electronic components and its applications

MODULE 14 - PN JUNCTION DIODE AND TRANSISTOR

Exercise 154 - Determine V-I characteristics of semiconductor diode

Exercise 155 - Construct half wave, full wave and bridge rectifiers using semiconductor diode

Exercise 156 - Check transistors for their functioning by identifying its type and terminals

Exercise 157 - Bias the transistor and determine its characteristics

Exercise 158 - Use transistor as an electronic switch and series voltage regulator

MODULE 15 - POWER ELECTRONIC DEVICES AND DIGITAL ELECTRONICS

Exercise 159 - Operate and set the required frequency using function generator

Exercise 160 - Make a printed circuit board for power supply

Exercise 161 - Construct simple circuits containing UJT for triggering and FET as an amplifier

Exercise 162 - Troubleshoot defects in simple power supplies

MODULE 16 - OSCILLOSCOPE AND POWER ELECTRONIC COMPONENTS

Exercise 163 - Construct power control circuit by SCR, Diac, Triac and IGBT

Exercise 164 - Construct variable DC stabilized power supply using IC

Exercise 165 - Practice on various logics by use of logic gates and circuits

Exercise 166 - Generate and demonstrate wave shapes for voltage and current of rectifier

MODULE 17 - PANEL AND CONTROL CIRCUIT

Exercise 167(A) - Identify the control elements and wiring accessories used in control panel wiring

Exercise 167(B) - Prepare the control panel for mounting the control elements and wiring accessories

Exercise 167(C)(i) - Prepare the control panel for mounting the control elements

Exercise 167(C)(ii) - Mount the control elements and accessories on the panel

Exercise 167(C)(iii) - Wire up the control panel as per the wiring diagram

Exercise 167(D)(i) - Prepare and mount the control panel for sequential control of three motors

Exercise 167(D)(ii) - Wireup and test the control panel for sequential control of three motors

MODULE 18 - WIRING ACCESSORIES

Exercise 168. Carry out wiring of control cabinet as per wiring diagram, bunching of XLPE cables

Exercise 169 - Mount various control elements e.g. circuit breakers, relays, contactors

Exercise 170 - Identify and install required measuring instruments and sensors in control panel

Exercise 171 - Test the control panel for its performance

MODULE 19 - AC/DC DRIVES

Exercise 172 - Perform speed control of DC motor using thyristors / DC drive

Exercise 173 - Perform speed control and reversing the direction of rotation

Exercise 174 - Construct and test a universal motor speed controller using SCR

MODULE 20 - VOLTAGE STABILIZER

Exercise 175 - Assemble circuits of voltage stabilizer and UPS

Exercise 176 - Prepare an emergency light

Exercise 177 - Assemble circuits of battery charger and inverter

Exercise 178 - Test, analyze defects and repair voltage stabilizer, emergency light and UPS

Exercise 179 - Maintain, service and troubleshoot battery charger and inverter

Exercise 180 - Install an Inverter with battery and connect it in domestic wiring for operation

MODULE 21 - THERMAL AND HYDRO ELECTRIC POWER STATION

Exercise 181 - Draw layout of thermal power plant and identify function of different layout elements

Exercise 182 - Draw layout of hydel power plant and identify functions of different layout elements

Exercise 183 - Visit to transmission / distribution substation

Exercise 184 - Draw actual circuit diagram of substation visited and indicate various components

MODULE 22 - NON-CONVENTIONAL SOURCES OF ENERGY

Exercise 185 - Prepare layout plan and Identify different elements of solar power system

Exercise 186 - Prepare layout plan and Identify different elements of wind power system

Exercise 187 - Assemble and connect solar panel for illumination

MODULE 23 - TRANSMISSION AND DISTRIBUTION

Exercise 188 - Practice installation of insulators used in HT/LT line for a given voltage range

Exercise 189 - Draw single line diagram of transmission and distribution system

Exercise 190 - Measure current carrying capacity of conductor for given power supply

Exercise 191(A) - Fasten jumper in pin type insulators

Exercise 191(B) - Fasten jumper in shackle type insulators

Exercise 191(C) - Fasten jumper in suspension type insulators

MODULE 24 - SAFETY PRECAUTIONS AND IE RULES PERTAINING TO DOMESTIC SERVICE CONNECTIONS

Exercise 192 - Erect an overhead service line pole for single phase 240V

Exercise 193 - Practice on laying of domestic service line

Exercise 194 - Install bus bar and bus coupler on LT line

MODULE 25 - RELAY AND CIRCUIT BREAKERS

Exercise 195 - Identify various parts of relay and ascertain the operation

Exercise 196 - Practice setting of pick up current and time setting multiplier for relay operation

Exercise 197 - Identify the parts of circuit breaker, check its operation

Exercise 198 - Test tripping characteristic of circuit breaker for over current and short

Exercise 199 - Practice on repair and maintenance of circuit breaker

Exercise 200 - Demonstrate different charger specifications

Exercise 201 - Perform installation of EV charging Station for Public places

Exercise 202 Perform installation of Home EV charging stations

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