SYLLABUS FOR THE TRADE

OF

E L E C T R I C I A N

(SEMESTER PATTERN)

UNDERCRAFTSMEN TRAINING SCHEME (CTS)

Designed in – 2013

ByGovernment of India

CENTRAL STAFF TRAINING AND RESEARCH INSTITUTEDirectorate General of Employment & Training

Ministry of Labour & Employment (DGET)EN – 81, SECTOR – V, SALT LAKE CITY,

Kolkata – 700 091.

List of members attended the Trade Committee Meeting for revising the course curriculum and introduction of topics related to renewable energy in the trade of “Electrician” under Craftsmen Training Scheme (CTS) on 12th & 13th August 2010.

Sl. No. Name and DesignationS/SHRI

Organization Remarks

1 S.D.Lahiri, Director C.S.T.A.R.I, Kolkata Chairman2 S. Bhattacharya, Director W.B.R.E.D.A, Kolkata Member3 Amarnath Sanyal, Addl, Director I.EM, Kolkata Member4 R. Gangopadhyay, Lecturer Kanchrapara Railway Workshop,

Eastern-RailwayMember

5 R, N. Banerjee, Director Sunshine Power Products, Kolkata Member6 P. K. Ghosh, Training Manager G.R.S.E. Ltd, Kolkata Member7 S. K. Pal, Manager M/s Mascot Integrated Industry, Kolkata Member8 Dr. Soumen Bose, Dy, Director Directorate of Industrial Training, WB Member9 Dibyendu Paul, Lecturer Sahaj Academy, Kolkata Member

10 Dr. Tapas Kr Majumder, Manager B S N L, Kolkata Member11 S.K.Bose, Manager Trans Bio Energy Ltd, Kolkata Member12 Monisha Sarkar, Asstt Manager Trans Bio Energy Ltd, Kolkata Member13 Dr.K. mukhopadhya, Director AGNI, Kolkata Member14 Anupam Bose, Manager Geetanjali Solar, Kolkata Member15 A Majumder, DE W.B.R.E.D.A, Kolkata Member16 Joy Chakraborty, DE W.B.R.E.D.A, Kolkata Member17 Utpal Kr Roy, Supervisor W.B.R.E.D.A, Kolkata Member18 A.Ghosh, Supervisor W.B.R.E.D.A, Kolkata Member19 Moloy Kr Mondal, Supervisor W.B.R.E.D.A, Kolkata Member20 Rudrendu Basu, Asstt. Director W.B.R.E.D.A, Kolkata Member21 S.K.Biswas, Asstt Director W.B.R.E.D.A, Kolkata Member22 D.K.Hazra, Spervisor W.B.R.E.D.A, Kolkata Member23 A.Karmakar, Supervisor W.B.R.E.D.A, Kolkata Member24 Gautam Banerjee, Manager ESAB India Ltd, Kolkata Member25 M.K.Saha, Trg Superintendent G.R.S.E. Ltd. Kolkata Member26 P.Majumder, Chief Consultant Park Chember Housing Development,

KolkataMember

27 Rabin Debnath, Asstt. Director Directorate of Industrial Training, WB Member28 Sib Chandra Pal, Instructor Govt, ITI, Howrah Homes, WB Member29 D.P.Sarkar, Instructor Govt, ITI, Howrah Homes, WB Member30 Anil Kumar, Joint Director of Trg C.S.T.A.R.I, Kolkata Member31 L. K. Mukherjee, Dy.Director of Trg C.S.T.A.R.I, Kolkata Member 32 A. Nandi, Dy.Director of Trg C.S.T.A.R.I, Kolkata Member33 P.K.Dutta, Asstt. Director of Trg C.S.T.A.R.I, Kolkata Member34 N.Nath, Asstt. Director of Trg C.S.T.A.R.I, Kolkata Member35 S. B. Sarder, Asstt. Director of Trg C.S.T.A.R.I, Kolkata Member36 R. N. Manna, Trg. Officer C.S.T.A.R.I, Kolkata Member37 L. M. Pharikhal, Trg-Officer ATI, Kolkata Member

2

List of members attended the Workshop to finalize the syllabi of existing CTS into Semester Pattern held from 6th to 10th May’2013 at CSTARI, Kolkata.

Sl. No. Name & Designation Organisation Remarks1. R.N. Bandyopadhyaya, Director CSTARI, Kolkata-91 Chairman2. K. L. Kuli, Joint Director of Training CSTARI, Kolkata-91 Member3. K. Srinivasa Rao,

Joint Director of TrainingCSTARI, Kolkata-91 Member

4. L.K. Muhkerjee, Deputy Director of Training

CSTARI, Kolkata-91 Member

5. Ashoke Rarhi, Deputy Director of Training

ATI-EPI, Dehradun Member

6. N. Nath, Assistant Director of Training

CSTARI, Kolkata-91 Member

7. S. Srinivasu, Assistant Director of Training

ATI-EPI, Hyderabad-13 Member

8. Sharanappa, Assistant Director of Training

ATI-EPI, Hyderabad-13 Member

9. Ramakrishne Gowda, Assistant Director of Training

FTI, Bangalore Member

10. Goutam Das Modak, Assistant Director of Trg./Principal

RVTI, Kolkata-91 Member

11. Venketesh. Ch. , Principal Govt. ITI, Dollygunj, Andaman & Nicobar Island

Member

12. A.K. Ghate, Training Officer ATI, Mumbai Member13. V.B. Zumbre, Training Officer ATI, Mumbai Member14. P.M. Radhakrishna pillai,

Training Officer CTI, Chennai-32 Member

15. A.Jayaraman, Training officer CTI Chennai-32, Member16. S. Bandyopadhyay, Training Officer ATI, Kanpur Member17. Suriya Kumari .K , Training Officer RVTI, Kolkata-91 Member18. R.K. Bhattacharyya, Training Officer RVTI, Trivandrum Member19. Vijay Kumar, Training Officer ATI, Ludhiana Member20. Anil Kumar, Training Officer ATI, Ludhiana Member21. Sunil M.K. Training Officer ATI, Kolkata Member22. Devender, Training Officer ATI, Kolkata Member23. R. N. Manna, Training Officer CSTARI, Kolkata-91 Member24. Mrs. S. Das, Training Officer CSTARI, Kolkata-91 Member 25. Jyoti Balwani, Training Officer RVTI, Kolkata-91 Member26. Pragna H. Ravat, Training Officer RVTI, Kolkata-91 Member27. Sarbojit Neogi, Vocational Instructor RVTI, Kolkata-91 Member28. Nilotpal Saha, Vocational Instructor I.T.I., Berhampore, Murshidabad, (W.B.) Member29. Vijay Kumar, Data Entry Operator RVTI, Kolkata-91 Member

3

GENERAL INFORMATION

1. Name of the Trade : ELECTRICIAN

2. N.C.O. Code No. :

3. Duration of Craftsmen Training : 2 Years (4 Semesters having duration of six months each)

4. Power norms : 5.2 KW (for two units in one shift)

5. . Space norms : 98 Sq. metres.

6. Entry Qualification : Pass in 10th Class examination

7. Unit size (No. Of student) : 16

8. Instructors Qualification : Degree in Electrical / Electrical & Electronics Engineering from recognized engg. college/university with one year experience in

the relevant field OR Diploma in Electrical / Electrical & Electronics Engineering

from recognized board of technical education with two years experience in the relevant field OR

10th class examination and NTC/NAC in the Trade of “Electrician” With 3 years’ post qualification experience in the relevant field.

9. Desirable qualification : Preference will be given to a candidate with CIC (Craft Instructor Certificate).

NOTE: At least one Instructor must have Degree/ Diploma in the relevant Trade.

4

Syllabus for the Trade of “ Electrician” Duration : Six Month

First Semester Semester Code: ELE: SEM I

Week No.

Trade Practical Trade Theory Engineering Drawing Vocational Science & Calculation

1 2 3 4 51 Implementation in the shop

floor of the various safety measures. Visit to the different sections of the InstituteDemonstration on elementary first aid. Artificial Respiration

Occupational Safety & HealthBasic safety introduction, Personal protection:- Basic injury prevention, Basic first aid, Hazard identification and avoidance, safety signs for Danger, Warning, caution & personal safety message.Use of Fire extinguishers.Visit & observation of sections.Various safety measures involved in the Industry. Elementary first Aid. Concept of Standard

Definition of Engineering Drawing. Uses of Engineering Drawing.Freehand sketching of straight lines, rectangles, squares circle, polygons etc.

Units – Definition, different types & system of units, F.P.S., C.G.S & S.I - conversion.

2 Demonstration of Trade hand tools. Identification of simple types- screws, nuts & bolts, chassis, clamps, rivets etc. Use, care & maintenance of various hand tools.

Identification of Trade-Hand tools-Specifications

Geometrical construction of Square, Rectangle, Triangle, Circle, Ellipse, Polygons, etc.

Applied workshop problems involving addition, subtraction, multiplication and division.Different types of materials used in industry, their uses & properties.

3 - 4 Practice in using cutting pliers, screw drivers etc. skinning the cables, and joint practice on single strand.

Fundamental of electricity. Electron theory- free electron, Fundamental terms, definitions, units & effects of electric current

Do Applied workshop problems involving common fractions. Application of fraction to shop problems. Properties and uses of copper,

5

Demonstration & Practice on bare conductors joints--such as Britannia, straight , Tee, Western union. Joints

zinc, lead, tin, aluminium, brass, bronze, solder, bearing metals, timber and rubber.

5 Practice in soldering- Measurement of Resistant and Measurement of specific Resistant. Application of Wheatstone bridge in measurement of Resistance

Solders, flux and soldering technique. Resistors types of resistors & properties of resistors.

Lettering practice Different types of Insulators used in Electrical industryMass and Weight – Difference between mass and weight.

Specific Gravity & Density – Related problems. Archimedes principle. Relation between Sp. Gravity and density.

6 Demonstration and identification of types of cables. Demonstration & practice on using standard wire gauge. Practice on crimping thimbles, Lugs.Examination and checking of cables and conductors and verification of materials according to the span.

Introduction of National Electrical Code 2011 Explanation, Definition and properties of conductors, insulators and semi-conductors. Voltage grading of different types of Insulators, Temp. Rise permissibleTypes of wires & cables standard wire gaugeSpecification of wires & Cables-insulation & voltage grades-Low , medium & high voltagePrecautions in using various types of cables / Ferrules

Different types of line.Drawing of different types of line.

Rounding of decimal values use of approximation.

Speed, Velocity, Acceleration, Retardation,Equations of motions – related simple problemsProperties & uses of cast iron, wrought iron, plain carbon steel, etc.

7 Verification of Ohm’s Law, Verification of Kirchoff’s Laws.

Verification of laws of series and parallel circuits.

Ohm’s Law -Simple electrical circuits and problems.

Resistors -Law of Resistance. Series and parallel circuits.

1st angle projection, 3 rd angle projection. Orthographic views, Isometric views.

Reduction of common fractions to decimal and vice-versa - related shop problems.

Momentum of a moving body. Force, Its units in SI & FPS

6

Verification of open circuit and closed circuit network.

Measuring unknown resistance using Wheatstone bridge

Kirchoff’s Laws and applications.Wheatstone bridge principleand its applications .

Systems

8. Practice on installation and overhauling common electrical accessories.Fixing of switches, holder plugs etc. in T.W. boards.-Identification and use of wiring accessories concept of switching.

Common Electrical Accessories, their specifications in line with NEC 2011-Explanation of switches lamp holders, plugs and sockets. Developments of domestic circuits, Alarm & switches, with individual switches, Two way switch .Security surveillance, Fire alarm, MCB, ELCB, MCCB.

Drawing of plan, elevation & side views from isometric views.

L.C.M., H.C.F.Square roots & Cube roots

Newton’s Laws of motion and related problems.

9 Assembly of a Dry cell-Electrodes-Electrolytes. Grouping of Dry cells for a specified voltage and current, Ni cadmium & Lithium cell. Practice on Battery Charging, Preparation of battery charging,Testing of cells, Installation of batteries, Charging of batteries by different methods.

Practice on Electroplating and anodising, Cathodic protection.

Chemical effect of electric current-Principle of electrolysis. Faraday’s Law of electrolysis. Basic principles of Electro-plating and Electro chemical equivalents. Explanation of Anodes and cathodes. Lead acid cell-description, methods of charging-Precautions to be taken & testing equipment,Ni-cadmium & Lithium cell, Cathodic protection.Electroplating, Anodising. Different types of lead acid cells.

Do

Factorisation, Simple algebraic problems

Laws of parallelogram of forces.

10 Routine care & maintenance of Batteries

Rechargeable dry cell, description advantages and disadvantages.Care and maintenance of cellsGrouping of cells of specified voltage & current, Sealed Maintenance free Batteries,

Dimensioning practice on orthographic views

Ratio & proportion, related shop problems.

Friction, Laws of friction, co-efficient of friction, angle of

7

Solar battery. friction, simple problems related to friction.

11 Charging of a Lead acid cell, filling of electrolytes- Testing of charging checking of discharged and fully charged battery

Inverter, Battery Charger, UPS-Principle of working. Lead Acid cell, general defects & remedies.Nickel Alkali Cell-description charging. Power & capacity of cells. Efficiency of cells.

Conventional symbols of Electrical installation as per BIS code & IEEE, IES normsDrawings of the typical diagram of plug and socket outlets.Graphical symbols used in electric technology, circuits. Elements.

Average and related shop problems.

Work, Power & Energy – Their units and related problems.

12-13

Introduction of fitting trade. Safety precautions to be observed Description of files, hammers, chisels hacksaw frames & blades-their specification & grades. Care & maintenance of steel rule try square and files. Marking tools description & use. Description of carpenter’s common hand tools such as saws planes, chisels mallet claw hammer, marking, dividing & holding tools-their care and maintenance.

ALLIED TRADES:Marking use of chisels and hacksaw on flats, sheet metal filing practice, filing true to line.Sawing and planning practice. Practice in using firmer chisel and preparing simple half lap joint.

Drawing the typical diagram of D-type cartridge fuse, H.R.C. type fuse. Fuse curvesGraphics as per relevant IS standard.Symbols indicating the method of operation of the instrument and accessories as per relevant IS: Standard

Simple isometric drawings, isometric views of simple objects- cubes, rectangular blocks etc.

Factorisation of polynomials. (Simple problems).

Rotational motion. Angular velocity and acceleration.Square roots & Cube roots by the method of factorisation. Centrifugal & Centripetal forces. Related problems.

14 Types of drills description & drilling machines, proper use, care and maintenance.Description of taps & dies, types in rivets & riveted joints.Use of thread gauge.

Drilling practice in hand drilling & power drilling machines. Grinding of drill bits.Practice in using taps & dies, threading hexagonal & square nuts etc. cutting external threads on stud and on pipes, riveting practice.

Free hand sketching of nuts & bolts with dimensions from samples.

Free hand sketching of rivets and washers with dimensions from samples.

Standard algebraic formula and related problems. Moment of a forceCouple and Torque. Related problems

15 Description of marking & Practice in using snips, marking & cutting Free hand sketching of keys Percentage and related shop 8

cutting tools such as snubs shears punches & other tools like hammers, mallets etc. used by sheet metal workers. Types of soldering irons-their proper uses. Use of different bench tools used by sheet metal worker. Soldering materials, fluxes and process.

of straight & curved pieces in sheet metals. Bending the edges of sheets metals. Riveting practice in sheet metal. Practice in making different joints in sheet metal in soldering the joints.

with dimensions from samples.

Free hand sketching of screw threads with dimensions from samples.

problems

Moment of Inertia, Radius of gyration.Mechanical properties of metals – tenacity, elasticity, malleability, brittleness, hardness, compressibility and ductility, etc

16-17 Demonstration on-CRO – The magnetic flux produced by Electromagnet, Demonstration on Tracing the B-H Curve & Hysteresis loop for a specimen using C.R.O and using samples of CRGO & Dynamo grade. Demonstration on effect of eddy current on different samples.

Assembly / winding of a simple electro magnet

Identification of different types of Capacitors. Charging & discharging of capacitor, Testing of Capacitors using DC voltage and lamp. Use of magnetic compass.

Magnetism - classification of magnets, methods of magnetising, magnetic materials. Properties, care & maintenance, methods of magnetising magnetic materials. Para & Diamagnetism and Ferro magnetic materials.Principle of electro-magnetism, Maxwell’s corkscrew rule, Fleming’s left & right hand rules, Magnetic field of current carrying conductors, loop & solenoid. MMF, Flux density, reluctance. B.H. curve, Hysteresis, Eddy current. Principle of electro-magnetic Induction, Faraday’s Law, Lenz’s Law.Electrostatics: Capacitor- Different types, functions & uses.

Drawing the typical symbols used in electrical circuits.Graphical symbols used in electro technology, kinds of distribution systems and methods of connections.

Solving of Quadratic equations.Simple problems on moment of Inertia.

18-19 Measurement of resistance by different methods-

Resistance-Different Types of resistors used in

Do. Simple Problems on Profit & Loss.

9

a) Using Wheatstone Bridge b) By voltage drop method.Experiment to demonstrate the variation of resistance of a metal with the change of temperature.-Measure of ‘R’ by drop method.-Series & shunt circuits-use of Multimeters

electrical circuits. Specification of resistance and tolerance.Effect of variation of temperature on resistance. Different methods of measuring the values of resistance,

Levers – its different types and their advantages. Simple related problems.

20-21 Connection of Calling Bell, Buzzer, Alarms, Electric Iron, Heater, Light.Rewinding /assembly of different electrical appliances. Study, maintenance and repair of domestic equipments – Electric Kettle, Heater / Immersion HeaterHot Plate, Geyser, Washing machineCooking range, Incubators, Furnaces, Pump set. Etc.

Working principles and circuits of common domestic equipments & appliances

Detailed diagram of calling bell electromagnet etc

Simple Problems on Profit & Loss.

Mechanical advantage, Velocity ratio, Efficiency of different types of levers.

10

22-23 Identification and study of the parts of a D.C. machine.Practicing dismantling and assembling in D.C. Machine.

D.C. Machines - General concept of Electrical Machines. Principle of D.C. generator. Use of Armature, Field Coil, Yoke, and Commutator, slip ring Brushes, Laminated core.Explanation of D.C. Generators-types –parts. E.M.F. equation-self excitation and separately excited Generators-Practical uses. Brief description of series, shunt and compound generators.

Sketching of brush and brush gear of D.C. machines.Lay out D.C. Panel board arrangement.Lettering-Numbers Alphabets.Sketching of D.C. 3-point face Plate starter top scale.

MENSURATION – Perimeter and Area of Square & Rectangle.

Simple problems on straight and bell cranked levers.

24 Connection of shunts Generators, Measurement of voltages-Demonstration on field excitation.Connection of compound Generator-Voltage measurement-cumulative and differential –No Load & Load characteristics of Series, Shunt & Compound Generator.Controlling and protecting DC Generator.

Explanation. Of Armature reaction, interpoles and their uses, connection of interpoles, commutation. DC Motors - Terms used in D.C. motor-Torque, speed, Back-e.m.f. etc. their relations practical application. Related problems

Graphic symbols for Rotating m/cs and Transformers.

Perimeter and Area of Triangle.

Simple machines - Determination of efficiency of simple m/cs. Like winch, pulley blocks, wheel and compound axle.

25 Project workIndustrial visit (optional)

11

26 Examination

12

Syllabus for the Trade of “ Electrician” Duration : Six Month

Second SemesterSemester Code: ELE: SEM II

Week No.

Trade practical Trade Theory Engineering Drawing Vocational Science & Calculation

1-2 Demonstration and practice on identification of parts and terminals. Study of the characteristics of DC motors.

Types, characteristics and practical application of D.C. motors.Special precaution to be taken in DC Series motors. Starters used in D.C. motors

Reading of simple blue prints. Circumference and area of Circle.Transmission of motion through Belt, Pulley, Gears, etc. and related problems.

3-4 practical application of D.C. motors. Special precaution to be taken in DC Series motors. Starters used in D.C. motors

Types of speed control of DC motors in industry. Control system. AC-DC, DC-DC control. Thyristor/electronic controls.

Free hand isometric sketching of simple objects with dimensions. Sketching of D.C. - 4-point starter to scale.

Calculation of Volume and weight of simple solid bodies- Cubes, Cuboids, solid and hollow cylinders and related shop problems.

5 Types of speed control of DC motors in industry Word-Leonard control, Thyristor/electronic controls

Insulting materials – properties common insulting materials, classifications

Do Do

6-7 Electric wirings, importance, I.E.E. rules. Types of wirings both domestic & industrial -

Electric wirings, I.E. rules. Types of wirings both domestic & industrial -Specifications for wiring. –

Free hand sketching of simple objects. Layout arrangement of D.C. Generators & motors, control panel

Trigonometry functions & Ratios .Use of trigonometric

13

Specifications for wiring – Grading of cables and current ratings. Principle of laying out in domestic wiring-testing by meggar Wiring system - Using casing capping, P.V.C., concealed system. -Maintenance & Repairing data sheet preparation.. Specifications, standards for conduits & accessories.

Grading of cables and current ratings. Principle of laying out in domestic wiring-testing by Meggar. Voltage drop concept.Wiring system - P.V.C., concealed system. -Maintenance & Repairing data sheet preparation.. Specifications, standards for conduits & accessories- Power Wiring- Control Wiring- Information Communication Entertainment Wiring.Basic principle of energy audit.

tables-Applied problems.Definition of Stress, Strain, Young’s modulus, Bulk modulus, Factor of safety – Their related problems.Effect of force on materials such as expanding, bending, twisting and shearing. Voltage drop calculation. Line regulation cable table reading.

8-9 Practice on Earthing - different methods of earthing. Importance of Earthing. -Earth Leakage Relay.

Earthing - Principle of different methods of earthing. Importance of Earthing-Earth Leakage Relay.In absence of latest revision in respective BIS provision for Earthing it is recommended to follow IEC 60364 guidelines.

Free hand sketching of Staircase wiring.

Simple problems on Heights & Distances using trigonometric ratios.

Heat and temperature, Thermometric scales- centigrade, Fahrenheit & Kelvin scale and their conversion. Names and uses of temperature measuring instruments used in workshop,

14

10 - 11 Demonstration of sine wave, instantaneous values etc. Study of the behaviour of R, XL & XC in A.C. circuits both in series and in parallel.Experiment on poly phase circuits. Current, voltage & power measurement in poly-phase circuits.

Measurement of energy in single & poly-phase circuits.

- Use of phase sequence meter.

- Use of single phase - Demo of distorted

wave- SMPS / Electronic

device – Wave distortion

- Power measurement True R.M.S concept

Alternating Current -Comparison D.C& A.C. , Advantages of A.C. Alternating current & related terms frequency Instantaneous value, R.M.S. value Average value, Peak factor , form factor. Generation of sine wave, phase and phase difference. Inductive & Capacitive reactance XL & Xc, Impedance (Z), power factor (p.f) ; Vector diagram. Active and Reactive power, Simple problems on A.C. circuits, single phase & three-phase system etc.

Problems on A.C. circuits. Both series & parallel power consumption P.F. etc.

Concept three-phase Star & Delta connection Line voltage & phase voltage, current & power in a 3 ph circuits, with balanced and unbalanced load.

Harmonics: causes & effects

Free hand sketching of simple Geometrical shapes & hollow shapes.Drawing of simple electrical circuits. Using electrical symbols.View of simple solid & hollow bodies.Drawing of sine waves.Views of simple solid and hollow bodies’. Circuit. Diagram of battery charging circuits. With all details of panel board. Blue print reading.

Calculation of areas of triangles, etc. with the aid of trigonometry.

Calorimetry, Latent Heat – Their related problems.

15

12- 15 Identification of types of transformers. Connection of transformers efficiencies of transformers testing of transformer parallel operation of transformer. Use of C.T. & P.T. use of Instrument transformer.

l. Conducting No-load and short circuit tests.

Testing of single phase and Three Phase. Transformers - Cleaning and maintenance of Transformers, Changing of oil.Single to 3 phase and six phase connection.

Working principle of Transformer, classification C.T., P.T. Instrument and Auto Transformer/Variac Construction, Single phase and Poly phase.

E.M.F. equation, parallel operation of transformer, their connections. Regulation and efficiency, Cooling of transformer, protective devices.

Specifications, simple problems on e.m.f. Equation, turn ratio, regulations and efficiency. Special transformers.Transformer - construction cores winding shielding, auxiliary parts breather, conservator buckholtz relay, other protective devices cooling of transformer Transformer oil testing and Tap changing off load and on load. Dry transformer.Transformer bushings and termination. Transformer bushing and termination and specification.

Exercises on Blue print reading of connection to motors through Ammeter, voltmeter & K.W. meters.Exercises on Blue print reading, tracing the wiring diagram of an alternator & reproducing it in proper sequence with protective equipment sketching the synchroniser connections.

Free hand sketching of simple objects related to the trades.Block diagram of single to three phase and six phase diagram.

Use of trigonometric formulae and applied problems.Expansion of Solid, Liquid and Gases – Their related problems.

16

16 - 18 Demonstration on alternators, voltage Building, load characters & regulation.Practice on installation, running and maintenance of Alternators.

Explanation of alternator, prime mover, types, regulations, phase sequence, specification of alternators and brushless alternator. Induction generator.Automatic Voltage Regulator.

Diagram of connection to a squirrel cage induction motor. Sketching the connection diagram of controlling & protective devices for Induction motors.Development of winding diagram for an electrical machine.Preparation of working drawing from sketches.

Drawing & reading of simple graphs.Transmission of heat - Conduction, Convection and Radiation.

19-21 Study of - M.C.P.M. meterMulti-meterWattmeterP F meterEnergy meterFrequency meterTHD meterThermographCalibration of -Multi-meterC.R.O. Maximum Demand meterPhase sequence indicatorDigital Instruments.

Electrical Measuring Instruments --types, indicating types.Deflecting torque, Controlling torque & Damping torque ,-Moving coil permanent magnet-Moving iron-Range extension-Multimeter-Wattmeter- P.F. meter-Intergrading type, Digital Energy meter – megger.-Energy meter-Frequency meter- Tri vector meter-Max Demand meter-Phase Sequence indicator-Multimeter –Analog and Digital - C.R.O, Solar insulation meter.

Sketching of simple objects related to trades.Sketching of different shapes of coil.Further practice in Blue print reading.Drawing development diagram for single-phase A.C. motors.

Different forms of energy, Thermal, mechanical and electrical, conversion from one to another.

.

22-24 Installation of -Neon SignMercury vapour (H.P. & L.P.)

Explanation of lightWhite light-illumination factors, intensity of light –importance of light, human eye factor units.

Drawing the development diagram for D.C. SimplexLap & Wave winding

Applied workshop problems.

17

Sodium vapour Halogen Lampssingle tube & double tube

Practice on decoration lightingPrinciple of layout of lighting installation.

Types illumination & lamps-Neon sign Halogen, Mercury vapour, sodium vapour, Fluorescent tube CFL, Solar lamp applications, Concept of Energy -Characters watt ages, fixing places. Types of lighting.Decoration lighting Drum Switches, Direct & indirect lighting-efficiency in lumens per watt, colour available. Thumb rule calculations of lumens.Estimating placement of lights and fans and ratings.

25 Project Work Industrial visit (optional)

26 Examination

Syllabus for the Trade of “ Electrician” Duration : Six Month

Third SemesterSemester Code: ELE: SEM III

Week no.

Trade practical Trade Theory Engg. Drawing Vocational Science & Calculation

1-2 Practice on winding of Transformers of different types and ratings.

TRANSFORMER – winding ,Principle of different winding techniques

Practice in reading panel diagram. Practice in reading circuitsContaining Resistance, inductances Practice in reading typical example of circuits containing R,X & C.

Practice in the use of Logarithmic tables for multiplication, division square root, cube root.

Insulating material including transformer oil.

18

3-4 Practice on different types of winding ,Growler testing , Baking , Impregnation and Varnishing .Testing for faults

D.C. m/c Winding-- pole pitch, coil pitch, back pitch, front pitch , Lap & Wave winding , Progressive and retrogressive winding.

Further practice in Blue Print reading, drawing the development diagram for simple lap and wave winding.

Calculation of Volume, weight of simple solid bodies by using Logarithm. Further problems on mensuration.Insulating materials synthetic. Brief description and properties of electrical materials such as silicon, Nichrome, silver etc.

5 Practice on starting ,running, connection to bus bar, Study on effect of changing the field excitation and Power factor correction of Industrial load.

SYNCHRONOUS MOTOR - Working principle, effect of change of excitation and load. Application in industry in power factor improvement.

Tracing of wiring diagram of an alternator and reproducing it.

Properties of triangles and circles, tangent, etc. Insulating materials synthetic. Brief description and properties of electrical materials such as silicon, Nichrome, silver etc.

19

6 - 9 Induction Motors - Study of Squirrel cage and Slip ring Induction motor ,Measurement of slip, P.F. at various loads.Practice on connection of D.O.L Starter, Star /Delta starter, Autotransformer starter, And starting, running & speed control.

Connection of single phase motor, identification, testing, running, and reversing.

Identification, connection, testing, running and reversing of universal motor.

Induction motor – Working principle, Squirrel Cage Induction motor , Slip-ring induction motor-Construction and characteristics, starting and speed control.

D.O.L Starter, Star /Delta starter, Autotransformer starter.

Single phase induction motor- Working principle, different method of starting and running (capacitor start/capacitor run, shaded pole technique). FHP motors.

Universal motor-advantages Principle, characteristics, applications in domestic appliances and industry, Fault Location and Rectification.Braking system of motor.

Drawing the schematic diagram of automatic voltage regulators of A.C. generators. Drawing the schematic diagram of A.C. 3-ph reversing magnetic starter.Sketching a breather. Free hand sketching of transformer and auxiliary parts and sectional views.

Drawing the schematic diagram of plow and pipe earthing I.S.3043. Wiring diagram of the connection of arrangement and push button control of two speed AC motor.IS : 3914 – 1967.

Problems on mensuration related to solid bodies of Prism, Pyramid, Sphere, etc.

Forms and properties of matter. The molecule and atoms.

Trigonometric function Use of trigonometric tables-applied problems-Calculation of areas of triangles and polygons. Problems on Mensuration.

10-11 Making forma, coil insulation, Slot insulation, Insertion of coils in slots, coil connection, Practice on single layer concentric Winding, Baking, impregnating and varnishing.

A.C. m/c Winding-- Armature winding terms, coil side, end coil and grouping of coils. Connection to adjacent poles, connected armature winding, alternate pole connection, armature winding.

Drawing the schematic diagram of the starting and controlling gears of slip ring and Sq. cage Ind. Motor. IS. 3914 – 1967Drawing the schematic diagram of Autotransformer starter, Push button starter and Star Delta Starter.

Simple problems involving Trigonometric function. Atmospheric pressure, pressure gauge and absolute pressure.

12-13 Starting, running and building up voltage and loading of M-G set.

Converter-inverter, M.G. Set-description-Characteristics, specifications-running and

Drawing the schematic diagram of 4 typical D.C. speed regulators for shunt and compound motors.-do- Magnetic controller with dynamic breaking.

Laws of Indices and related problems

20

Maintenance of M-G Sets. Solid state controller and invertors. Operation and use.VSD O&M

maintenance. Solid state controller and invertors.V.S Drive, Theory and application

Block diagram of solid state systems. Inclined plane, Parallelogram laws of Forces – their related problems.

14-15 Practice on Installation of conduit pipe wiring for lighting and power circuits for both 230V & 400V

Techniques, procedures of Layout of conduit wiring as per I.S-732-1963. Use of flame proof and explosion proof, Installation of P.V.C. conduct switches.

Schematic diagram of magnetically rated. D.C. motors with three-push bottom control station, Lumina sent Lamps.

Further problems on mensuration. Heat treatment processes.

16-17 Study of fuses.Study of contactors, MCB.Study of relays of different types.

Fuse / cut out / kit Kat – function, characteristics, and materials.H.R.C Fuses – application.Contactors – Miniature circuit breakers.Relays – Thermal, Electromagnetic, solid state relays, Control Relays and Protective Relays. Different types of contractor and limit switches.

Sketching indicating instruments. Drawing the diagram of typical marking plate of a distribution transformer. Typical wiring diagram for drum and controller operation of A.C. wound rotor motor.

Resolution and composition of forces.Representation of force by vectors, simple problems on lifting tackles like jib wall, crane-Solution of problems with the aid of vectors.

18-22 Practice on wiring of electric motor, control panel, etc.Study of different circuit Breakers. Laying and installation of overhead and underground cables.Protective and control relays, contactors, circuit breaker, etc. Operation and use of XLPE cables.

Industrial wiring. Code of practice & relevant span. Wiring of electric motors, control panel, etc.Types, specifications, advantages of different types of circuit brackets construction and maintenance. I.E. rules for overhead service lines, study of U.G. Cables and laying techniques. XLPE cable.Working principle and construction of domestic and agricultural appliances-their maintenance.

Layout diagram of a substation.Sketching different shapes of coils, Sketches indicating possible faults in stator winding. Drawing the development diagram for dupler lap and Wave winding with brush position.

Examples of simply supported Load. General condition of equilibriums for series of forces on a body.

21

23-24 Practice of fixing lightening arrestors and lightening conductors, Horn gap. Identification of semiconductors. Diodes-symbol - Tests on Diodes. Studying the Characteristics of Diodes using multi-meter.I.S. 2032 of VIII 1965.Identification of semiconductors. Diodes-symbol - Tests on Diodes. Studying the Characteristics of Diodes using multimeter.I.S. 2032 of VIII 1965.

Lightning arrestor/lighting conductor, Horn gap. Concept of overhead line, HV transmission, surge voltage. Introduction to Basic electronics- Semiconductor energy level atomic structure. ‘P’ & ‘N’ type of materials –P-N-junction. Diode-classification of Diodes – Revered Bias and Forward Bias, Heat sink. Specification of Diode – PIV rating.

Single line diagram of substation feeders. Connection diagram of typical overload current relays. Introduction to Basic electronics- Semiconductor energy level atomic structure. ‘P’ & ‘N’ type of materials –P-N-junction. Diode-classification of Diodes – Revered Bias and Forward Bias, Heat sink. Specification of Diode – PIV rating. Key diagram of a power station.Central controlling panel. Drawing D.I.S. symbols for electronic components.DIODE, TRANSISTOR Zener diode, S.C.R. I.C. etc.

Centre of gravity simple experiments, stable, unstable and neutral equilibrium.Mechanical advantages velocity ratio, ratio, efficiency of simple pulley wheel screw jack and winch. Simple harmonic motion – motion of a pendulum, spring, vibrating body .

25 Project WorkIndustrial Visit(optional)

26 Examination

22

Syllabus for the Trade of “ Electrician” Duration : Six Month

Fourth Semester

Semester Code: ELE: SEM IV

Week No.

Trade Practical Trade Theory Engineering Drawing Vocational Science & Calculation

1-3 Study of –Half wave rectifier ckt.Full wave rectifier ckt. Bridge rectifier ckt. Filter cktOscilloscopeDifferent wave shapes and their values using C.R.O.

Explanation and importance of D.C. Rectifier ckt. Half wave, Full wave and Bridge ckt. L.E.D. and Solar cells.Filter circuits-passive filter. Working principle and uses of an oscilloscope.

Filling of m/cs history card and maintenance cards and inventory control cards.

Simple estimation of the requirement of materials etc. as applicable to the trade. Problems on estimation and costing.

4-5 Study of a transistors-Identification of construction and terminals.Testing of TransistorsStudy of the characters of transistors.

Explanation of principle of working of a transistor- Types of transistors Characters of a transistors Biasing of transistors. Mode of use of transistor.Specification and rating of transistors

Drawing of B.I.S/I.S.I. symbols for Electronic devices Drawing of half wave, Full wave and Bridge circuits.

-do-

6-7 Assembly and testing of a single stage Amplifier and checking in an oscilloscope.Study of types of wave shapes & Cascade Amplifier.Study of power amplifier.Uses of standard I.C Amplifier 810

Explanation of transistor Amplifiers,Amplifiers. – class A,B & CPower amplifier.

Drawing circuits for a single stage Amplifiers and Multi stage Amplifies and types of signals.

Magnetism , Magnetic material, magnetic field, flux density, magnetic moment, permeability, Susceptibility, electro magnet (solenoid ) – practical applications.

8 Study of oscillator Voltage measurement current And study wave shapes in scope.

Explanation of oscillator-working principle Explanation of stages and types.Multivibrator – applications.

-do- -do-

23

9 Study of various Op. Amp. Application and Timers.

OP-AMP – Working principles and applications. Timer I.C.555

- do - Electricity, Effects of electric current.

10-12 Studies of simple circuits containing U.J.T. for triggering.-do- FET as an amplifier.-do- Power control circuits by S.C.R. & Diac, triac, I.G.B.T.

Introduction of basic concept of ICs, U.J.T., F.E.T., basic concept of power electronics devices e.g. S.C.R. Diac, Triac, power MOSFET, G.T.O & I.G.B.T.

Drawing of circuits containing U.J.T. F.E.T. & Simple power control circuits.

-do-

13-15 Demonstration on DC/AC power control using transistor/thyristor. Study of voltage stabilizer, UPS. Study of DC/AC motor drives, speed control etc. Uses of SCR and other modern semiconductor devices in controlling speed of motors and in changing the direction of rotation of motors.

D.C/A.C Power control using power transistor, thyristor. Voltage stabilizer, U.P.S. DC/AC motor drives using transistor/thyristor. Voltage regulator .

Block diagram of Voltage regulator .

Meaning of Horse Power & Brake horsepower. Simple problems on work, power & energy.

16-17 Demonstration on power supply stabilizer. Study Op DC. /AC. Motor Drives.

Power Supply Stabilizer, Ferro resistant . DC/AC motor drives using Thyristor/Transistor control.

-do-Rectifier, Maximum, Average, R.M.S. current in rectifiers, from factor, ripple factor.

18-19 Study of Logic gates and circuits. Flip Flops, Counter, Register & Timer. Using digital I.C. chips

Digital Electronics -Binary numbers, logic gates and combinational circuits, Flip Flops, Counter, Register & Timer.

Free hand drawing of Logic gates and s.

Number system decimal and binary, Hexa decimal. BCD code, conversation from decimal to binary and vice-versa.

20-22 Practice in wiring and in maintenance of institute and hostel, hotel, residential building.Layout and repairing of workshop electrical installation. Practice on Auto wiring.

Complete House-wiring layout. splitting load wire in accordance with NEC . I.E.E. Rules.Multistoried system.Fault finding and trouble shooting of domestic electrical appliances.

Schematic drawing of house wiring.

23-24 InstallationFault finding practice

Decorative lighting - Fault finding techniques in Decoration lighting.

-do- -do-

24

25 Revision26 Examination

25

TRADE: ELECTRICIANLIST OF TOOLS & EQUIPMENT

A. TRAINEES TOOL KIT FOR 16 TRAINEES +1 INSTRUCTOR

TOOL KITSl. No.

Name of the items Quantity

1 Steel Tape, 10 m length 17 Nos.2 Plier Insulated, 150 mm 17 Nos.3 Plier Side Cutting, 150 mm 17 Nos.4 Screw Driver, 100 mm 17 Nos.5 Screw Driver, 150 mm 17 Nos.6 Electrician Connector, screw driver insulated handle thin stem, 100 mm 17 Nos.7 Heavy Duty Screw Driver , 200 mm 17 Nos.8 Electrician Screw Driver thin stem insulated handle, 250 mm 17 Nos.9 Punch Centre , 150 mm X 9 mm 17 Nos.10 Knife Double Bladed Electrician 17 Nos.11 Neon Tester 17 Nos.12 Steel Rule 300 mm 17 Nos.13 Hammer, cross peen with handle 17 Nos.14 Hammer, ball peen With handle 17 Nos.15 Gimlet 6 mm. 17 Nos.16 Bradawl 17 Nos.17 Scriber (Knurled centre position ) 17 Nos.18 Pincer 150 mm 17 Nos.

B. SHOP TOOLS, INSTRUMENTS & MACHINERY

1 C- Clamp 200 mm, 150 mm and 100 mm 2 Nos each

2 Spanner Adjustable 150 mm, 15 degree 2 Nos each

3 Blow lamp 0.5 ltr 1 No4 Melting Pot 1 No5 Ladel 1No6 Chisel Cold firmer 25 mm X 200 mm 2 Nos7 Chisel 25 mm & 6 mm 2 Nos

each8 Hand Drill Machine 0 to 6 mm capacity 1 No9 Portable Electric Drill Machine 6 mm capacity 1 No10 Pillar Electric Drill Machine 12 mm capacity 1 No11 Allen Key 1 set12 Oil Can 0.12 ltr 1 No13 Grease Gun 1 No14 Out Side Micrometer 0 to 25 mm 2 Nos15 Motorised Bench Grinder 1 No16 Rawl plug tool & bit 2 set17 Pully Puller 2 Nos18 Bearing Puller 2 Nos

26

19 Hygrometer 1 set20 Thermometer 0 to 100 deg Centigrade 1 No21 Scissors blade 150 mm 4 Nos22 Crimping Tool 2 sets23 Wire stripper 20 cm 2 Nos24 Chisel Cold flat 12 mm 2 Nos25 Mallet hard wood 0.50 kg 4 Nos26 Hammer Exeter type 0.40 kg 4 nos27 Hacksaw frame 200 mm 300 mm adjustable 2 Nos

each28 Try Square 150 mm blade 4 nos29 Outside & Inside Divider Calliper 2 Nos

each30 Pliers flat nose 150 mm 4 Nos31 Pliers round nose 100 mm 4 Nos

each32 Tweezers 100 mm 4Nos33 Snip Straight & Bent 150 mm 2 Nos

each34 D.E. metric Spanner 2 Nos35 Drill hand brace 0 to 100 mm 4 Nos36 Drill S.S. Twist block 2 mm, 5 mm 6 mm set of 3 4 set37 Plane, smoothing cutters 50 mm 4 Nos.38 Gauge, wire imperial 2 Nos39 File flat 200 mm 2nd cut 8 Nos.40 File half round 200 mm 2nd cut 4 Nos41 File round 200 mm 2nd cut 4 Nos.42 File flat 150 mm rough 4 Nos.43 File flat 250 mm bastard 4 Nos.44 File flat 250 mm smooth 4 Nos.45 File Rasp, half round 200 mm bastard 4 Nos46 Soldering Iron 25 watt, 65 watt, 125 watt 4 Nos each47 Copper bit soldering iron 0.25 kg. 4 Nos.48 Desoldering Gun 4 Nos49 Hand Vice 50 mm jaw 4 Nos50 Table Vice 100 mm jaw 8 Nos51 Pipe Cutter to cut pipes upto 5 cm. dia 4 Nos52 Pipe Cutter to cut pipes above 5 cm dia 2 Nos53 Stock and Die set for 20 mm to 50 mm G.I. pipe 1 set54 Ohm Meter; Series Type & Shunt Type 2 Nos

each55 Stock and Dies conduit 1 No56 Multi Meter (analog) 0 to 1000 M Ohms, 2.5 to 500 V 2 Nos57 Digital Multi Meter 6 Nos58 A.C. Voltmeter M.I. 0 –500V A.C 1 No59 Milli Voltmeter centre zero 100 – 0 – 100 m volt 1 No60 D.C. Milliammeter 0 -500m A 1 No61 Ammeter MC 0-5 A, 0- 25 A 1 No each62 A.C. Ammeter M.I.. 0-5A, 0-25 A 1 No each63 Kilo Wattmeter 0-1-3 kw 1 No 64 A.C. Energy Meter,Single phase 5 amp. Three Phase 15 amp 1No each65 Power Factor Meter 1 No

27

66 Frequency Meter 1 No67 Tachometer with watch 1 No68 Current Transformer 1 No69 Potential Transformer 1 No70 Growler 1 No71 Tong Tester / Clamp Meter 0 – 100 amp. AC 1 No72 Megger 500 volts 1 No73 Wheat Stone Bridge with galvanometer & battery 1 No74 Contactor & auxiliary contacts 3phase, 440volt, 16amp 1 No each75 Contactor & auxiliary contacts 3 phase, 440 volt, 32 amp. 1 No each76 Limit Switch 1 No78 Rotary Switch 16 A 1 No79 Load Bank5 KW( Lamp / heater Type) 1 No80 Brake Test arrangement with two spring balance 0 to 25 kg rating 1 No81 Knife Switch DPDT fitted with fuse terminals 16 amp 4 Nos82 Knife Switch TPDT fitted with fuse terminals 16 amp 4 Nos83 DC Power Supply 1 No84 Inverter- 1 KVA with 12 V Battery

Input- 12 volt DC, Output- 220 volt AC

1 No

85 Voltage StabiliserInput: 150 – 230 volt ACOutput: 220 volt AC

1 No

86 Rheostat0 -1 Ohm, 5 Amp0 -10 Ohm, 5 Amp0- 25 Ohm, 1 Amp0- 300 Ohm, 1 Amp

1 Nos. Each

87 Domestic Appliances –a. Electric Hot Plate 1500 wattb. Electric Kettle, 100 wattsc. Electric Iron 1200 wattsd. Immersion Heater 500/100/2000 watte. A.C. Fanf. Geyser (Storage type) 15 ltr minimumg. Mixture & Grinder

1 No1 No1 No1 No1 No1 No1 No

88 Flux meter 1 No89 Laboratory Type Induction Coil 1 no90 3- point D.C. Starter 1 no91 4- point D.C. Starter 1 no92 Relays-

a. Cut outb. Reverse currentc. Over currentd. Over loade. Under voltage

1 No each

93 Starters for 2 to 5 H.P. A.C Motors-a. Resistance type starterb. Direct on line Starterc. Star Delta Starter- manual, semi-automatic and automatic d. Auto Transformer type

1 No each

28

94 Electrical Machine Trainer –Suitable for demonstrating the construction and functioning of different types of DC machines and AC machines (single phase and three phase). Should be fitted with friction brake arrangement, dynamo meter, instrument panel and power supply units

1 for 8 (4+4) Units

95 Motor-Generator (AC to DC) consisting of :Squirrel Cage Induction Motor with star delta starter and directly coupled to DC shunt generator and switch board mounted with regulator, air breaker, ammeter, voltmeter, knife blade switches and fuses, set complete with case iron and plate, fixing bolts, foundation bolts and flexible coupling.Induction Motor rating:

7 HP, 400V, 50 cycles, 3 phase

DC Shunt Generator rating:

5 KW, 440V

1 No

96 Motor Generator(DC to AC) set consisting of -Shunt Motor with starting compensator and switch directly coupled to AC generator with exciter and switch board mounted with regulator, breaker, ammeter, voltmeter frequency meter, knife blade switch and fuses etc. Set complete with cast iron bed plate, fixing bolts, foundation bolts and flexible couplingShunt Motor rating :

5 HP, 440V

AC Generator rating :

3-Phase, 4 wire, 3.5 KVA, 400/230 Volts, 0.8 pf, 50cycles

1 No

97 Used DC Generators-series, shunt and compound type for overhauling practice 1No each98 D.C. Shunt Generator with control panel, 2.5 KW, 230 V 1 No99 D.C. Compound Generator with control panel including fitted rheostat, voltmeter,

ammeter and breaker, 2.5 KW, 230 V1 No

100 Diesel Generator Set with change over switch, over current breaker and water-cooled with armature, star-delta connectionsAC 3 phase, 5 KVA, 230 volt

1 No

101 DC Series Motor coupled with mechanical load 0.5 to 2 HP, 220 Volts

1 No

102 DC Shunt Motor2 to 3 HP, 220 volts

1 No

103 DC compound Motor with starter and switch2 to 3 HP, 220 volts

1 No

104 AC Squirrel Cage Motor with star delta starter and triple pole iron clad switch fuse.2 to 3 HP, 3-phase ,400 volts, 50 cycles

1 No

105 AC phase-wound slip ring Motor with starter and switch5 HP, 400 volts, 3-phase, 50 cycles

1 No

106 A.C. Series type Motor with mechanical load¼ HP, 230V, 50 cycles

1 No

107 Single Phase Capacitor Motor with starter switch1 HP 230 volt 50 cycles

1 No

29

108 Universal Motor with starter/switch 230 volt, 50 cycles ¼ HP

1 No

109 Stepper Motor with Digital ControllerThe Stepper Motor Trainer kit should be able to demonstrate the principle andworking of a Stepper motor using a different firing and driver circuits. The trainer should be able to demonstrate the operation of an analog sequence circuit, uC based sequence circuit, transistorized driver circuit, IC based driver circuit and stepper motor. The operation of stepper motor in half step and full step should also be demonstrated. The mode of operation should be selectable. The stepper motor should be fitted with a caliberated dial on the front panel. The Stepper Motor Trainer kit should be modularly designed and should be a self - contained system. All the terminations should be provided on 4 mm / 2 mm sturdy brass terminals, fitted on front panel with powder coated metal enclosure for longer life. approx Technical Specifications should be as underStepper Motor Unit : Motor : Bi - directional with permanent magnet rotor & bifilar wound stator.Motor Characteristics : Self starting, low moment of inertia,instantaneous start, stop and reversal of rotation.Rotation : 200 Steps / revolution.Torque : 1.2 kg cm^2Stepping Angle : 1.8 deg.Protection : Against forcible stalling.Operating Voltage : 12V DC.Mounting : Motor mounted in a metal cabinet with acalibrated dial and pointer.Translator Unit :Translator : 1. Discrete IC based circuit 2. Microcontrollerbased circuit.Output : Required pulse pattern for driving the steppermotor.Modes ( with uC ) : 1. Half Step. 2. Full Step.Indicators : 1. Mains ON / OFF. 2. Logic level indicators formonitoring the logic status of each winding of stepper motor.Power Requirements : 230V, + 10%, 50Hz, 1f.Standard Accessories : 1. Detailed Instruction Manual. 2. Set of required number of patch cords.

1 No

110 Shaded Pole Motor 1 No111 Single phase Transformer, core type, air cooled

Single Phase Transformer Lab should be a very versatile and useful training system for the Electrical laboratories of Engineering, Polytechnic and vocational Institutes. It should help in understanding the basic concepts and functioning of a Single Phase Transformer. The unit helps in understanding the concepts of Polarity, Turns Ratio, Transformation Ratio, Iron Loss, Copper Loss, Efficiency etc. of a Single Phase Transformer. The unit consists of a variac, meters, transformer, etc, all housed in a elegant metal cabinet with a well spread intelligently designed circuit layout on front panel. A comprehensive Instruction manual compete with Theory and operating details is provided.

Salient Features

Inbuilt Single Phase Variac Single phase 1KVA Transformer Voltmeter, Ammeter and Wattmeter provided on panel for measurements Facility for connecting external load. Facility to study step up, step down and Isolation transformer.

1 No

30

TECHNICAL SPECIFICATIONS

1. Study Transformer

Type : Single PhasePrimary : 0 – 125V, 0 – 125VSecondary : 0 – 125V, 0 – 125VCurrent : 4A maxRating : 1 KVA

2. Variac

Type : Single PhaseOutput : 0 – 270VCurrent : 5A max

3. Voltmeters

Type : AnalogRange : 1. 0 – 300V AC ( MI ) – 02 Nos

2. 0 – 50V AC ( MI ) – 01 NosSize : 96 x 96 Square

4. Ammeters

Type : AnalogRange : 1. 0 – 5A AC ( MI ) – 02 Nos

2. 0 – 1A AC ( MI ) – 01 NosSize : 96 x 96 Square

5. Wattmeters

Type : AnalogRange : 1. 0 – 100W

2. 0 – 1000WSize : 96 x 96 Square

6. Mains ON / OFF : MCB 6A

7. Experiments1. Study and calculate the Turns Ratio of a Single Phase Transformer.2. Study and calculate the Iron and Copper losses of a Single Phase Transformer.3. Study and observe the concept of polarity.4. Study and calculate the Transformation Ratio of a Single Phase Transformer.5. Study and calculate the Efficiency of a Single Phase Transformer.

112 Three phase transformer, shell type oil cooled 1 No113 Variable Auto Transformer 1 No114 Oscilloscope

Dual Trace,30 MHZ1 No

115 Function Generator 1 No

116 Discrete Component TrainerThe Discrete component Trainer should consist of an Experiment panel and Experiment circuit boards. Facility should be provided for switching of faults minimum 8 into most of the circuits on the experiment boards.

1 No

22500

31

With the Experiment Panel and Experiment circuit panels, tuitions can be undertaken in traditional way.

The following power supply should be provided on the experiment panel.i) +5V / 0.3 A DCii) -5V / 0.3 A DCiii) +12V / 0.3 A DCiv) -12V / 0.3 A DCv) 0 - +15V / 0.5 A Variable DCvi) 0 - -15V / 0.5 A variable DCvii) 9V – 0 – 9V / 0.5 A, 50 Hz, AC Supply

The following Function Generator should be provided on the experiment panel.i) Output waveform : Sine, Square & Triangle ii) Output Frequency : 10 Hz to 100 KHz in 4 ranges continuously adjustable.iii) Output Impedance : 50 Ωiv) Output voltage : 18Vpp (open loop), 9V (with 50 Ω load)

The following Analog and Digital meters should be provided on the experiment panel.i) AC Current Meter : 0 ~ 100mA ~ 1A.ii) AC Voltage Meter : 0 ~ 20V.iii) DC Current Meter : 0 ~ 100mA ~ 1A.iv) DC Voltage Meter : 0 ~ 20V.v) 3 ½ Digit Digital Voltmeter / Ammeter

DC Voltage range : 2V, 200V switch selectableDC Current range : 200mA, 2A switch selectable

A speaker with driver circuit and 4 different potentiometers of values 1K, 10K, 100K, and 1M along with all its terminations should be provided on the experiment panel.

The terminations on the Experiment panel and Experiment circuit boards should be of 2mm.

A breadboard of 1680 tie - points on panel should be provided for making circuits by solder less interconnection.

The Experiment circuit modules should be able to actually perform the following experiments:i) Study and verify the characteristics of various devices such as BJT, Diac, FET, UJT, MOSFET, Triac, SCR.ii) Amplifiers using BJT, like CE, CB, CC, two stage. iii) Study and verify the Junction Type FET ( JEFT ), Metal Oxide

Semiconductor FET (MOSFET), JFET Common Source Amplification Circuit Self – Bias, JFET Common Source Amplification Circuit Divide – Bias, JFET Common Drain Amplification Circuit Self – Bias, JFET Common Drain Amplification Circuit Divide – Bias, MOSFET Amplification Circuit Biased iv) Study and verify the characteristics of SCR, Diac, Traic and its application as

phase control.v) Study and verify the characteristics of UJT and its applications like relaxation

oscillator trigger circuit for scr and phase control using scr and ujt.

A very descriptive instruction manual should be provided which should include theory, 32

aim apparatus required, procedure, observation tables, formulas and graphs.

The unit should be housed in a proper metal cabinet.2mm interconnection links 12” long should be provided as follows:Black - 05 Nos.Red - 05 Nos.Blue - 05 Nos.Yellow - 05 Nos.Green - 05 Nos.

The unit should operate on 230V, 50Hz mains supply.

117 Linear I.C.TrainerTechnical Specifications :The Linear IC Trainer should be a modular, comprehensive and self-contained system suitable for students to perform experiments on operational amplifier. All necessary equipments for electronic circuit experiments such as power supply, function generator, analog and digital meters should be provided on the main unit. All the necessary components / circuits required for the experiments should be provided on the panels of various modules. The trainer should cover all the circuits by solder less interconnections though use of 2mm brass terminations and patch cords. All experiments provided should include theory, aim apparatus required, procedure, observation table, formulas and graph. 8 bit DIP switch should be provided for fault insertion in the experiments module. The trainer should be housed in an elegant powder coated metal cabinet. The complete trainer modules should be able to actually perform the following experiments on :* Study and verify the Transistor Differential Amplification Circuit, Characteristics of Operational Amplifiers such as Input Impedance Measurement, Output Impedance Measurement, Bandwidth Measurement, Slew Rate Measurement, Offset VoltageMeasurement ( 1 ), Offset Voltage Measurement ( 2 ).* Study and verify the opamp circuits such as Inverse Amplification, Non Inverse Amplification, Voltage Follower Circuit, Difference Amplification ( Subtractor ), Sum Amplification ( Adder ), Clipping Circuit, Constant Voltage Circuit, Constant Current Circuit,Differential Circuit, Integrator Circuit.* Study and verify the opamp circuits with negative feedback such as Logarithm Amplification Circuit, Exponential Amplification Circuit, Peak Value Detection Circuit, Precision Clipping Circuit, Voltage Regulator Circuit, Sampling / Hold Circuit, Instrument Amplification Circuit, High Pass Amplification Circuit, Low Pass Amplification Circuit, BandPass Amplification Circuit, RIAA Amplifier Circuit, Tone Controller Circuit, Single Power Inverse Amplification Circuit.* Study and verify the opamp circuits with positive feedback such as Comparator, Schmitt Trigger, Window Type Comparator, Monostable Multivibrator, Astable Multivibrator, Sine Wave Oscillation Circuit, RC Oscillator, Wein Oscillator All necessay components / circuits to perform the above experiments should be inbuilt and a detailed instruction manual should be provided.

IC based DC Regulated Power suppliesa. + / - 5V DC / 0.3 Ab. + / - 12V DC / 0.3 Ac. 0 to + 15V DC /.5A Continuously variabled. 0 to -15V DC / .5A Continuously variable

AC Power Supplies 9V – 0 9V / 500mA

1 No

22500

33

Signal Generator Output waveform : Sine , Square & TriangleOutput Frequency : 10 Hz to 100 KHz in 4 Ranges continuously adjustable.Output Impedance : 50 WOutput voltage : 18Vpp (open loop)

9V (with 50 W load)3 ½ Digit Digital Voltmeter / AmmeterDC Voltage range : 2V , 200V switch selectableDC Current range : 200mA, 2A switch SelectableAnalog meters AC Current Meter : 0 ~ 100mA ~ 1A.AC Voltage Meter : 0 ~ 20V.DC Current Meter : 0 ~ 100mA ~ 1A.DC Voltage Meter : 0 ~ 20V.SpeakerOne 8W, 0.5W speaker with driver circuitVariable Resistors 1KW, 0.25W variable resistor with 3 terminals ( A, B, C ).

10KW, 0.25W variable resistor with 3 terminals ( A, B, C ).100KW, 0.25W variable resistor with 3 terminals ( A, B, C ).1MW, 0.25W variable resistor with 3 terminals ( A, B, C ).

Breadboard Module1680 tie - point breadboard on top panel can be easily put into and taken offPatch Cords (Stackable) Set of 25 assorted coloured multi-strand wires with

2mmstackable terminations at both ends.

Power Requirement 230V + / - 10 % single phase ACInstruction Manual One detailed instruction manual with well thought out experimentscovering the above topics should be provided

118 Digital I.C.TrainerThe Trainer on Basic Digital Electronics should allow students to build a variety of introductory digital gates, combinational and sequential logic. The unit should be a modular system with proper placement of components on panel with mimic and placed in a metal enclosure. All the AC / DC power supplies required should be built in.

The Trainer on Basic Digital Electronics should have modules equipped with an 8 bit DIP switch for fault simulation which covers the concept of basics gates using DL, RTL, DTL and TTL logic, interfacing CMOS to TTL and TTL to CMOS, Boolean equations, De - Morgans theorems, basic gates using IC’S, Schmitt gates, open collector gates, Tristate gates, Half / Full adder, Half / Full subtractor, R-S, D, T, JK Flip – Flops, SISO, SIPO, PISO, PIPO shift register, synchronous / Asynchronous UP / DOWN, Decimal / Binary Counters.

The Trainer on Basic Digital Electronics should have a main unit and modules. The main unit should consist of.

1. Fixed DC Power Supplies : +5V / 1.5A; -5V / 0.3A; +12V / 0.3A. 2. Adjustable DC Power Supply : 0 to 15V / 0.5A.3. Standard Frequency Outputs : 1MHz, 50Hz, 1Hz. with fanout of 10.4. Clock Signal Generator : 1Hz to 1MHz ( in 6 Ranges ).5. 2 x 8 i.e. 16 SPDT switches as HI / Low Inputs. 6. 4 Toggle Switches, each with debounce circuit. 7. 2 Nos. pulsar switch with Q and Q’ o/p with debounce circuit. 8. Line Signal generator : 50Hz, 6V rms. 9. 2 digit BCD coded thumbwheel Switch.10. 16 sets of independent LED’s to indicate high & low logic state.

1 No

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34

11. 4 sets of independent 7 segment LED display with BCD to Seven Segment decoder driver.

12. Logic Probe : TTL and CMOS level with 5mm LED display to display “Low” and “Hi”.

13. An 8Ω / 0.5W speaker with driver circuit.14. Breadboard Module : 1680 tie points breadboard. 15. Modules for the following experiments.Experiments :

1. Logic gate circuit experiments covering Diode logic, Resistor – Transistor Logic, Diode Transistor Logic and Transistor Logic and Transistor - Transistor Logic Circuit, ( NOT, AND, OR ).

2. TTL to CMOS and CMOS to TTL interface.3. Study and construct Boolean Algebra and Demorgan’s Theorems.4. Study and construct NOR, NAND, XOR and A - 0 - 1 gate. 5. Study and construct Schmitt, Open collector and Three state gate circuits.6. Study and construct Half Adder & Full Adder with basic logic gates, High

Speed Adder, carrier generator, BCD coded adder circuit. 7. Study & construct half substractor & Full substractor with basic logic gates, and

with full adder and inverter circuit. 8. Study and construct RS, D, T, J - K FF’s Shift Register using DFF’s, SISO,

SIPO, PIPO, PISO, Left / Right Shift Register, noise elimination circuit with flip -flops.

9. Study and construct synchronous / Asynchronous UP / DOWN, Decimal / Binary Counters, Ring Counters, Johnson’ Counter.

119 Bath Impregnating 1 No120 Oven Stove 1 No121 Oil Testing Kit 1 No122 Battery Charger 1 No123 Hydrometer 1 No124 Air Breaker

5 KVA1 No

125 Miniature Breaker16 amp

1 No

126 Thyristor/IGBT controlled D.C. motor drive with tacho-generator feedback arrangement.1 HPTechnical Specifications :‐DC Drive Aspects – DC Drive with Tacho Generator Digital , Ammeter & Voltmeter, Signal Isolator, with related Switches and Pot with Digital Display.1) Relay output – 2 nos.2) Analog Tacho feedback input 0‐20 V DC.3) Speed Control – 0 ‐10 v. speed ref.Voltage (Input ) 230 Volt, AC,1 Phase (+/‐ 10%) Freq. 50 HtzVoltage (Output) 230Volt, DC (+/‐ 10%)Type of Control – Thyristor ControlTacho Generator ‐ Flexible Coupled to D.C. motor1) Output Voltage – 1 volt to 20 volts,100 rpm 2) Output Current – 20 milliamp.3) Linearity ‐ +/‐ 0.5 % 4) Shaft – 8 mm dia., 25‐30 mm lengthDigital RPM Meter ‐ 1) Range‐ 0‐200 rpm 2) Size‐ 96x96 mm.3) Display‐ 4‐ Digital seven segment4) Operating Voltage – 230 volt AC +10% of 50 Hz5) Resolution‐ 1 volt per 100 rpm 6) Gating time‐ 1 sec.Motor of Drive – D.C.Shunt Motor,1HP rating, 230 volt (+/‐10 % ) 1500 RPM Insulation Class F Operations Required – Easy variation of speed through speed controlled Forward & Reverse directions switch,

1 No

35000/-

35

Protections Required – Field Failure protection, Current Limiter, Over load trip, over voltage trip, under voltage trip, Earth fault, Short circuit, Operating Temp. – Ambient.Degree of Protection – IP 20 or IP 211) MOUNTING PROVISION : CONTROL BOARD (As follows )1) THIS CONTROL BOARD SHOULD AS SHOWN AS A EXAMPLE ON WHICH ALL THE INSTRUMENTS WILL BE FIXED. & IT SHOULD CONSIST OF 10 mm FABRIC INSULATED BACKLITE / STANDERD BAKELITE SHEET AS FRONT FACIA ON PANNEL THE M.S. BOX SIZE SHOULD BE W=600MM H= 750MM D=250MM FABRICATED IN 16 SWG M.S SHEET WITH DOOR AND LOCKING ARRENGEMENT AT BACK SIDE. FABRICATED BOX SHOULD BE POWDER COATED. THE BOX SHOULD HAVE AIR VENTILATION WITH WIRE MESH PROTECTION FROM WORMS AND INSECT. 2) CONTROL BOARD MOUNTED ON AN 35X5 MM SIZE M.S. ANGLE FRAME3) MOTOR TERMINALS & DRIVE TERMINALS SHOULD BE BROUGHT OUT SEPRATELY ON CONTROL BOARD TO PERFORM VARIOUS PRACTICALS.4) CONTROL/ POWER CABLES SHOULD BE USED OF POLYCAB/FINOLEX /HAVELLS MAKE.5) MOTOR PROVIDED MUST PROOVE THE FOLLOWING TESTS SATISFACTORILY… * INSULATIONRESISTANCE MEASUREMENT ,*HIGH VOLTAGE,* NO LOAD,*LOCKED ROTOR * OVERLOAD * OR TESTING CERTIFICATE FROM ORIGNAL EQUIPMENTS MANUFACURER6) MOTOR & DRIVE PROVIDED SHOULD CONFIRM THE I .E. STANDARDS.7) CONTROL BOARD FRAME SHOULD BE PAINTED WITH POWDER COATING2) CONTROL BOARD ACCESSORIES :1) DIGITAL VOLTMETER 3½ Digit Red LED,14.2 mm height, Display dimension should be W48XL 96XD88 mm, terminal connections thermoplastic, Input Volt 230 V AC , Range 0 750V A.C ( ‐ME/MECO/RISHABH/OR EQUIVALENT )2) DIGITAL AMMETER, 3½ Digit Red LED,14.2 mm height Display, dimension should be W48XL 96XD88 mm, terminal connections – thermoplastic, Input Volt 230 V AC Range 0 10 AMP A.C ( ME/ MECO / ‐RISHABH /OR EQUIVALENT)3) SUITABLE RATED 2 POLE MCB SHOULD BE PROVIDED TO PROTECT CONTROL BOARD FROM ELECTRICFAULTS . ( SPRECHUER SCHUE/ SIEMENS/TELEMECHANIQUE/ L&T /OR EQUIVALENT MAKE)4) Φ 25 MM LED TYPE INDICATING LAMPS FOR INCOMING AND OUTGOING SUPPLY5) ALL OTHER REQUIRED ACCESSORIES SHOULD BE ISI MAKE3) INSTRUCTIONS : 1) OPERATING MANUAL WITH CIRCUIT DIAGRAM MUST BE PROVIDED.2) PRACTICALS LIST TO BE PERFORMED SHOULD BE PROVIDED.

127 Thyristor/IGBT controlled A.C. motor drive with VVVF control 3 Phase, 2 HPTechnical Specifications :- Voltage (Input ) – 230 Volt, 1 Phase (+/- 10%) Frequency (Input) – 48 to 63 Hertz. Voltage (Output) – 220 Volt, 3 Phase A.C (+/- 10%) Capacity (Output) – 2.0 HP / 1.5kw Frequency (Output) – 0 to 1500 Hertz Type of Control – I. G. B. T. based VVVF Control Digital Input – Isolated Switchable. Relay Output – 1) Max. Switching V = 250 V AC/30 V DC 2) Max. Switching I = 6Amp 3) Max. Continuous I =2 Amp. Analog Input - 1) Voltage Signal 0 to10 Volt 2) Current Signal 0 to 20 milliamp Analog Output – 0 milliamp to 20 milliamp Auxiliary Voltage – 24 Volt (+/- 10%) Motor of Drive – A. C. Squirrel Cage Induction Motor 2 HP , 220 Volt, 1440 Rpm, 3Phase, Suitable Frame size Operations Required – Auto start, Switch/Skip Frequency Forward & Reverse directions, Speed control Torque control Protections Required – Over load trip, over voltage trip, under voltage trip, Earth fault, Short circuit, Locked motor protection, Operating Temp. – Ambient. Relative Humidity – 95% (without condensation) Degree of Protection – IP 20 or IP 21 Serial Interface – RC 485 1) MOUNTING PROVISION : CONTROL BOARD (As follows ) 1) THIS CONTROL BOARD SHOULD AS SHOWN AS A EXAMPLE ON WHICH ALL THE INSTRUMENTS WILL BE FIXED. & IT SHOULD CONSIST OF 10 mm FABRIC INSULATED BACKLITE / STANDERD BAKELITE SHEET AS FRONT FACIA WITH PANNEL . THE M.S.

1 No

35000/-

36

BOX SIZE SHOULD BE W=600MM H= 750MM D=250MM FABRICATED IN 16 SWG M.S SHEET WITH DOOR AND LOCKING ARRENGEMENT AT BACK SIDE. FABRICATED BOX SHOULD BE POWDER COATED. THE BOX SHOULD HAVE AIR VENTILATION WITH WIRE MESH PROTECTION FROM WORMS AND INSECT. 2) CONTROL BOARD MOUNTED ON AN 35X5MM SIZE M.S. ANGLE FRAME 3) MOTOR SHOULD BE MOUNTED ON SEPRATE BASE PLATE OF M.S.‘C’ CHANNEL SIZE 70X40X5MM THICK APART FROM CONTROL BOARD 4) MOTOR TERMINALS & DRIVE TERMINALS SHOULD BE BROUGHT OUT SEPRATELY ON CONTROL BOARD TO PERFORM VARIOUS PRACTICALS. 5) CONTROL/ POWER CABLES SHOULD BE USED OF POLYCAB/FINOLEX /HAVELLS MAKE. 6) MOTOR PROVIDED MUST PROOVE THE FOLLOWING TESTS SATISFACTORILY… * INSULATION RESISTANCE MEASUREMENT ,*HIGH VOLTAGE,* NO LOAD,*LOCKED ROTOR * OVERLOAD * OR TESTING CERTIFICATE FROM ORIGNAL EQUIPMENTS MANUFACURER 7) MOTOR & DRIVE PROVIDED SHOULD CONFIRM THE I .E. STANDARDS. 8) CONTROL BOARD FRAME SHOULD BE PAINTED WITH POWDER COATING 2) CONTROL BOARD ACCESSORIES : 1) DIGITAL VOLTMETER 3½ Digit Red LED,14.2 mm height, Display dimension should be W48XL 96XD88 mm, terminal connections thermoplastic, Input Volt 230 V AC , Range 0-750V A.C ( ME/MECO/RISHABH/OR EQUIVALENT 2) DIGITAL AMMETER, 3½ Digit Red LED,14.2 mm height Display, dimension should be W48XL 96XD88 mm, terminal connections – thermoplastic, Input Volt 230 V AC Range 0-20 AMP A.C ( ME/ MECO / RISHABH /OR EQUIVALENT) 3) SUITABLE RATED 2 POLE MCB SHOULD BE PROVIDED TO PROTECT CONTROL BOARD FROM ELECTRIC FAULTS . ( SPRECHUER SCHUE/ SIEMENS/TELEMECHANIQUE/ L&T /OR EQUIVALENT MAKE) 4) Φ 25 MM LED TYPE INDICATING LAMPS FOR INCOMING AND OUTGOING SUPPLY 5) ALL OTHER REQUIRED ACCESSORIES SHOULD BE ISI MAKE 3) INSTRUCTIONS : 1) OPERATING MANUAL WITH CIRCUIT DIAGRAM MUST BE PROVIDED. 2) PRACTICALS LIST TO BE PERFORMED SHOULD BE PROVIDED.

128 Working Bench2.5 m x 1.20 m x 0.75 m

4 Nos

129 Fire Extinguisher 2 Nos130 Fire Buckets 2 Nos

C.WORKSHOP FURNITURE: Sl. No. Name of the items Quantity

1 Instructor’s table 1 No2 Instructor’s chair 2 Nos3 Metal Rack

100cm x 150cm x 45cm4 Nos

4 Lockers with 16 drawersstandard size

2 Nos

5 Almirah2.5 m x 1.20 m x 0.5 m

1 No

6 Black board/white board 1 NoNOTE :

1. For 2nd Unit of the Trade, only Trainees Tool Kit (from Sl No- 1 to 18) is required additionally.

2. Sl no- 94, Electrical Machine Trainer up to 8 (4+4) units- ONE no.

3. Sl no- 95 to 130, for 4 (2+2) units no additional items are required

37

38