Course Content
Safety practice and hand tools
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1 Safety rules – Safety signs – Hazards – સુરક્ષા નિયમો, સુરક્ષાના સંકેતો અને જોખમો
2 Fire – Types – Extinguishers – આગ ટાઈપ – અગ્નિશામક ના પ્રકારો
3 Rescue operations (બચાવ કામગીરી) – First aid treatment (પ્રાથમિક સારવાર) – Artificial respiration (કૃત્રિમ શ્વાસોચ્છવાસ)
4 Disposal of waste material – વેસ્ટ મટીરીયલનો નિકાલ
5 Personal Protective Equipment & Occupational Safety
6 Guidelines for cleanliness of workshop and maintenance
7 Trade hand tools – specification – standards NEC code 2011- lifting of heavy loads
Wires, Joints – Soldering – U.G. Cables
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Fundamental of electricity – conductors – insulators – wire size measurement-crimping
Wire joints – Types – Soldering methods
Under ground (UG) cables – construction – materials – types – joints – testing
Basic Electrical Practice
0/8
Ohm’s law – simple electrical circuits and problems
Kirchhoff’s law and its applications
DC series and parallel circuits
Open and short circuit in series and parallel network
Laws of resistance and various types of resistors
Wheatstone bridge – principle and its application
Effect of variation of temperature on resistance
Series and parallel combination circuit
Magnetism and Capacitors
0/4
Magnetic terms, magnetic material and properties of magnet
Principles and laws of electro magnetism
The magnetic circuits – self and mutually induced emfs
Capacitors – types -functions, grouping and uses
AC Circuits
0/7
Alternating current-terms & definitions-vector diagrams
Series resonance circuit
R-L, R-C and R-L-C parallel circuits
Parallel resonance circuits
Power, energy and power factor in AC single phase system – Problems
Power factor – Improvement of powerfactor
3-Phase ACfundamentals
Cells and Batteries
0/5
Primary cells and secondary cells
Grouping of cells
Battery charging method – Battery charger
Care and maintenance of batteries
Solar cells
Basic wiring practice
0/4
B.I.S. Symbols used for electrical accessories
Principle of laying out of domestic wiring
Test board, Extension board and colour code of cables
Special wiring circuits – Tunnel, corridor, godown and hostel wiring
Wiring Installation and Earthing
0/5
Main board with MCB DB Switch and fuse box
NE code of practice and IE Rules for mounting energy meter board
Estimation of load, cable size, bill of material and cost for a wiring installation
Testing a domestic wiring installation – location of faults – Remedies
Earthing – Types – Terms – Megger – Earth resistance Tester
Illumination
0/5
Illumination terms – Laws
Low voltage lamps – different wattage lamps in series
Construction details of various lamps
Lighting for decoration – Serial set design – Flasher
Show case lights and fittings – calculation of lumens efficiency
Measuring Instruments
0/6
Instruments – Scales – Classfication – Forces – MC and MI meter
Wattmeters
3-phase Wattmeter
Tong- tester (clamp – on ammeter)
Smartmeters – Automaticmeter reading – supply requirements
Extension of range of MC voltmeters – loading effect -voltage drop effect
Domestic appliances
0/3
Concept of Neutral and Earth – Cooking range
Heating element, heater/immersion heater, electric stove and hot plate
Food mixer
Transformer
0/8
Transformer – Principle – Classification – EMF Equation
Transformer losses – OC and SC test – efficiency – Voltage Regulation
Parallel operation of two single phase transformers
Three Phase transformer-Connections
Cooling of transformer – Transformer oil and testing
Small transformer winding – Winding machine
General maintenance ofthree-phase transformers
Project work
DC Generator
0/5
DC generator – principle – parts – types – function – e.m.f. equation
Building up voltage of a DC shunt generator
Test a DC machine for continuity and insulation resistance
Start, run and reverse direction of DC motor
Characteristics of DC generator
DC motor
0/4
DC motor – principle and types
Speed control methods of a DC motor and their applications
Troubleshooting in DC machines
Materials used for winding – field coil winding
AC Three Phase Motor
0/3
Principle of induction motor
Fundamental terms used in AC winding
Maintenance, service and troubleshooting in AC 3 phase squirrel cage induction motor and starters
AC Single Phase Motor
0/1
Single phase motors – split phase induction motor – induction-start, induction-run motor
Alternator
0/1
Alternator – principle – relation between poles, speed and frequency
Synchronous Motor and MG Set
0/2
Synchronous motor
MG set and rotary converter
Electronic Practice
0/8
Resistors, Colour code, types and characteristics
Semiconductor theory-Active and passive components
PN Junction – semi conductor diodes
Rectifiers
Transistors
Transistor biasing and characteristics
Transistor as a switch, series voltage regulator and amplifiers
Function generator and cathode ray oscilloscope (CRO)
Printed circuit boards (PCB)
0/6
Unijunction transistor (UJT) and FET and its application
Power supplies-troubleshooting
Power control circuit using SCR,DIAC,TRIAC & IGBT
Integrated circuit voltage regulators
Binary numbers, logic gates and combinational circuits
Wave shapes – Oscillators
Control panel wiring
0/2
Control elements, accessories – layout of control cabinet
Installation of instruments and sensors in control panel and its performance testing
AC/DC motor drives
0/2
AC/DC drives
Speed control of 3 phase induction motor by VVVF/AC drive
Inverter and UPS
0/5
Voltage stabilizer and UPS
Emergency light
Battery charger and inverter
Trouble shooting of voltage stabilizer, battery charger, emergency light, inverter and UPS
Installation of inverter in domestic wiring
Power Generation and Substation
0/5
Sources of energy – Thermal power generation
Hydel power plants
Visiting to transmission and distribution sub station
Circuit diagram of sub station and its components
Electrical power generation by non conventional methods
Transmission and Distribution
0/2
Electrical supply system – transmission and distribution network – line insulators
Bus-bar system – power tariff terms and definitions
Circuit Breakers and Relays
0/3
Types of relays and its operation
Circuit breakers – parts – functions- tripping mechanism
Repair and maintenance of CBs
Electric vehicle
0/1
EV scenario in India and EV charging
PROJECT WORK
Electrician in Gujarati (ગુજરાતી)
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