TRANSFORMERS

Electrician [Duration: 2 years, NSQF level-5]:

Course Content: In the first year the trainee learns about safety and environment, use of fire extinguishers, artificial respiratory resuscitation to begin with. He gets the idea of trade tools & its standardization, identifies different types ofconductors, cables & their skinning & joint making. Basic electrical laws likeKirchhoff’s law, ohm’s law, laws of resistances and their application in differentcombinations of electrical circuit are practiced along with laws of magnetism. The trainee practices on circuit for single phase and poly-phase circuits for 3 wire /4wire balanced & unbalanced loads. Skilling practice on different types & combination of cells for operation and maintenance is being done. Wiring practice with installation of different accessories like ICDP switch, distribution fuse box and mounting energy meters are practiced as per IE rules for hostel/residential building, workshop and its fault detection is done by trainee. The trainee will practice for pipe & plateearthing. Different types of light fitting are to be done like HP/LP mercury vapourand sodium vapour are prominent. The trainee will practice on different types of measuring instruments like multimeter, wattmeter, energy meter, phase sequences meter, frequency meter, for measurement of electrical parameters in single& three phase circuits. He will gain skill on range extension, calibration and testing of meters. Practice for dismantling, assembling and testing of heating element equipment, induction heating equipment, grinding machines and washing machines will be done by trainee. Skill will be gained on transformer for operation, efficiency, series parallel operation, replacement of transformer oil and combination of single phase transformers for 3 phase operation. The trainee will practice on winding of small transformer.

In the second year, the trainee will study the details of rotating machines: DC machines, induction motors, alternators & MG sets and practice on them. The trainee will practice on determining characteristics, their performance analysis, starting, speed control and reversing direction of rotation of machines. He will practice on parallel operation & synchronization of alternators, winding practice and over hauling will be practiced for DC machine and induction motors. Practices on diodes for bridge rectifier, switching devices &lifiers by electronic components, different wave shape generation and testing by CRO is carried out. Designing control cabinet, assembling control elements and their wiring are to be practiced. Speed control of AC/DC motors by electronic controller is being practiced. The trainee will practice on testing, analyzing and repairing of voltage stabilizer, emergency light, battery charger, UPS and inverter. He will gain knowledge of thermal, hydel, solar & wind energy systems. The trainee will practice on distribution system, domestic service line and accessories& their protection by practicing on relay and circuit breaker for operation and maintenance.

Skills Acquired: Electrician General: installs, maintains and repairs electrical machinery equipment and fittings in factories, workshops power house, business and residential premises etc. Studies drawings and other specifications to determine electrical circuit, installation details etc. Positions and installs electrical motors, transformers, switchgears. Switchboards and other electrical equipment, fittings and lighting fixtures. Makes connections and solders terminals. Tests electrical installations and equipment and locates faults using megger, test lamps etc. Repairs or replaces defective wiring, burnt out fuses and defective parts and keeps fittings and fixtures in working order. May do armature winding, draw wires and cables and do simple cable jointing. May operate, attend and maintain electrical motors, pumps etc.

Electrical Fitter: fits and assembles electrical machinery and equipment such as motors, transformers, generators, switchgears, fans etc., Studies drawings and wiring diagrams of fittings, wiring and assemblies to be made. Collects prefabricated electrical and mechanical components according to drawing and wiring diagrams and checks them with gauges, meggeretc. to ensure proper function and accuracy. Fits mechanical components, resistance, insulators, etc., as per specifications, doing supplementary tooling where necessary.Follows wiring diagrams, makes electrical connections and solders points as specified. Checks for continuity, resistance, circuit shorting, leakage, earthing, etc. at each stage of assembly using megger, ammeter, voltmeter and other appliances and ensures stipulated performance of both mechanical and electrical components filled in assembly. Erects various equipment such as bus bars, panel boards, electrical posts, fuse boxes switch gears, meters, relays etc. using nonconductors, insulation hoisting equipment as necessary for receipt and distribution of electrical current to feeder lines. Installs motors, generators, transformer etc. as per drawings using lifting and hoisting equipment as necessary, does prescribed electrical wiring, and connects to supply line. Locates faults in case of breakdown and replaces blown out fuse, burnt coils, switches, conductors etc. as required. Checks, dismantles, repairs and overhauls electrical units periodically or as required according to scheduled procedure. May test coils. May specialize in repairs of particular equipment manufacturing, installation or power house work and be designated accordingly

Options for employment: Huge job opportunities in electricity department, public sectors, private and Govt. industries in power generation, transmission, distribution stations and abroad job opportunities as electrician, lineman, service technician, lab technician, electrical supervisor, re-winder etc.

Options for self-employment / Entrepreneurship Development: License certificate for self-employment, wiring contractors, own shop for repairs of domestic appliances, motor rewinding, sale of electrical materials and appliances, set up own electrical workshop, undertake contract of installation of machinery, panel boards and bus bars in industries.

ITI trade Electrician is powered by NCVT.  ITI trade Electrician  is a job oriented trade ITI trade Electrician is suitable for government job and private job. This ITI trade Electrician is very powerful for self-empowerment. This ITI trade Electrician is perfectly design to fulfill industrial requirement of Indian Industries as well as International industries.

• Electricians have a wide scope of Employability ranging from self-employment, contractual employment to Industrial jobs. 
•  After successful completion of this course, Electricians can aspire to become Electrical Contractors by acquiring the ‘B” licence from the Electrical Licence Board. 
• They can set up their own Rewinding and servicing of Domestic Equipment shop.  
• Job opportunities are wide open in Defence, Railways, Transport, Ship Building, Electricity Board, various  Industries etc
• They can also go for further higher studies after successful completion of course.
• Students who have completed this course have found employment in the following areas:
• Service/Maintenance Technician for domestic appliances in Reputed Companies
• Winder of Electrical Motors in winding shop
• Contractor for domestic wiring and industrial wiring
• Armature winder of Electrical fans and motors
• Electrical appliance repair in electrical shops
• Indian Railway (Asst. Driver, Tech. Gr. III, Appr. Technician)
• Local Electricity Board
• Assembler of Electrical control Gears
• Telephone Department
• Installation and Testing division of Auditorium and Cinema Hall
• Factories
• As Instructor in Govt./Private ITI/ITC
• Merchant Navy
• Indian Air Force
• Self-Employment in Service Centre

Trades Summery: 

• (i) Apply safe working practices
• (ii) Comply environment regulation and housekeeping
• (iii) Prepare profile with an appropriate accuracy as per drawing.
• (iv) Prepare electrical wire joints, carry out soldering, crimping and measure insulation resistance of underground cable.
• (v) Verify characteristics of electrical and magnetic circuits.
• (vi) Install, test and maintenance of batteries and solar cell.
• (vii) Estimate, Assemble, install and test wiring system.
• (viii) Plan and prepare Earthing installation.
• (ix) Plan and execute electrical illumination system and test.
• (x) Plan and execute electrical illumination system and test.
• (xi) Perform testing, verify errors and calibrate instruments.
• (xii) Plan and carry out installation, fault detection and repairing of domestic appliances.
• (xiii) Execute testing, evaluate performance and maintenance of transformer.
• (xiv) Execute testing, and maintenance of DC machines and motor starters.
• (xv) Plan, Execute commissioning and evaluate performance of DC machines.
• (xvi) Distinguish, organise and perform motor winding.
• (xvii) Plan, Execute commissioning and evaluate performance of AC motors.
• (xviii) Execute testing, and maintenance of AC motors and starters.
• (xix) Plan, execute testing, evaluate performance and carry out maintenance of Alternator / MG set.
• (xx) Execute parallel operation of alternators.
• (xxi) Assemble simple electronic circuits and test for functioning.
• (xxii) Assemble accessories and carry out wiring of control cabinets and equipment.
• (xxiii) Perform speed control of AC and DC motors by using solid state devices.
• (xxiv) Detect the faults and troubleshoot inverter, stabilizer, battery charger, emergency light and UPS etc.
• (xxv) Erect overhead domestic service line and outline various power plant layout
• (xxvi) Examine the faults and carry out repairing of circuit breakers.
• (xxvii) Plan, assemble and install solar panel.
• (xxviii) Interpret & use company and technical communication
• (xxix) Demonstrate knowledge of concept and principles of basic arithmetic, algebraic, trigonometric, and statistics and apply knowledge of specific area to perform practical operations.
• (xxx) Understand and explain basic science in the field of study including friction, simple machine and heat and temperature
• (xxxi) Read and apply engineering drawing for different application in the field of work.
• (xxxii) Understand and explain the concept in productivity, quality tools, and labour welfare legislation and apply such in day to day work to improve productivity & quality.
• (xxxiii) Explain energy conservation, global warming and pollution and contribute in day to day work by optimally using available resources.
• (xxxiv) Explain personnel finance, entrepreneurship and manage/organize related task in day to day work for personal & societal growth.
• (xxxv) Understand and apply basic computer working, basic operating system and uses internet services to get accustomed & take benefit of IT developments in the industry.