Technician Power Electronic System

ITI Technician Power Electronics System Syllabus (English)

Course Overview

• Trade Name: Technician Power Electronics System
• Duration: 2 Years (4 Semesters)
• NSQF Level: Level 5
• Eligibility: 10th Grade Pass
• Objective: To train candidates in installing, testing, and maintaining power electronic systems like inverters, UPS, SMPS, and solar panels, preparing them for roles such as power electronics technicians, service engineers, or PLC operators in electronics and renewable energy sectors, or for self-employment in repair services.
• Certification: National Trade Certificate (NTC) by NCVT

Detailed Syllabus

Semester 1

Trade Theory

• Safety and Environment: Workplace safety, fire extinguishers, artificial resuscitation, electrical hazards, PPE (gloves, safety glasses).
• Basics of Electricity: Current, voltage, power, Ohm’s Law, AC/DC fundamentals, electrical parameters.
• Trade Tools: Multimeters, oscilloscopes, soldering irons, crimping tools; standardization and calibration.
• Cables and Connectors: Types (coaxial, twisted pair), insulation testing, connector types (BNC, RJ45).
• Batteries: Primary/secondary cells, lead-acid, lithium-ion; charging/discharging, maintenance, hydrometer use.
• Passive Components: Resistors, capacitors, inductors; identification, testing, color coding.
• Workshop Practices: Fitting, drilling, riveting; safe handling of tools and materials.

Trade Practical

• Safety Drills: Practicing fire extinguisher use, shock rescue, PPE application.
• Electrical Measurements: Measuring voltage, current, resistance using multimeters; testing cables.
• Battery Maintenance: Testing and servicing lead-acid batteries; using hydrometers for specific gravity.
• Component Testing: Identifying and testing resistors, capacitors, inductors with LCR meters.
• Soldering: Soldering/desoldering through-hole components on PCBs; preparing simple circuits.
• Workshop Operations: Drilling, riveting, assembling basic chassis for electronic setups.
• Project Work: Assembling and testing a simple unregulated power supply circuit.

Hours: Theory: 160 hours | Practical: 240 hours

Semester 2

Trade Theory

• Active Components: Diodes, transistors, MOSFETs, SCRs; characteristics, applications.
• Power Supplies: Regulated/unregulated power supplies, rectifiers, filters, voltage regulators.
• Amplifiers and Oscillators: Types (class A, B, AB), feedback, wave-shaping circuits.
• Digital Electronics: Logic gates, flip-flops, counters; truth tables, IC datasheets.
• SMD Technology: Surface-mount components, soldering techniques, PCB design basics.
• Computer Basics: Hardware components, OS installation, MS Office, internet usage.
• Opto-Electronics: LEDs, photodiodes, optocouplers; principles and applications.

Trade Practical

• Component Testing: Testing diodes, transistors, SCRs using multimeters and curve tracers.
• Circuit Construction: Building and testing amplifiers, oscillators, and regulated power supplies.
• Digital Circuits: Verifying truth tables of logic gates, assembling flip-flop circuits.
• SMD Soldering: Soldering/desoldering SMD components; inspecting joints with magnifiers.
• Computer Operations: Assembling a PC, installing Windows/Linux, creating email IDs.
• Opto-Electronics: Testing LEDs, optocouplers in simple circuits; measuring light intensity.
• Project Work: Constructing and testing a wave-shaping circuit with oscilloscope analysis.

Hours: Theory: 160 hours | Practical: 240 hours

Semester 3

Trade Theory

• Power Electronic Devices: IGBTs, thyristors, power MOSFETs; switching characteristics.
• Converters and Inverters: DC-DC converters, choppers, single-phase/three-phase inverters.
• Rectifiers: Controlled/uncontrolled rectifiers, SCR-based circuits, phase control.
• Microcontrollers: Basics of 8051, PIC; programming concepts, interfacing.
• PLC Basics: PLC architecture, ladder logic, input/output modules.
• Simulation Software: Introduction to Multisim, Proteus for circuit simulation.
• Troubleshooting: Fault diagnosis in power supplies, SMPS, and inverters.

Trade Practical

• Converter Circuits: Building and testing DC-DC converters, chopper circuits using MOSFETs.
• Rectifier Testing: Assembling and testing SCR-based single-phase rectifiers.
• Microcontroller Practice: Programming 8051 for simple tasks (LED blinking, motor control).
• PLC Wiring: Connecting field devices to PLC modules, executing basic ladder logic.
• Simulation: Simulating amplifier and digital circuits using Multisim/Proteus.
• Troubleshooting: Diagnosing faults in SMPS, inverters using oscilloscopes.
• Project Work: Designing and testing a single-phase inverter circuit with load analysis.

Hours: Theory: 160 hours | Practical: 240 hours

Semester 4

Trade Theory

• Advanced Power Systems: SMPS, UPS, variable frequency drives; design and applications.
• Renewable Energy: Solar PV systems, wind turbines, battery management systems.
• Fiber Optics: Optical fiber setup, transmission principles, connectors.
• Industrial Sensors: Temperature, pressure, proximity sensors; interfacing with PLCs.
• Entrepreneurship: Starting a repair service, costing, market analysis for electronics.
• Electrical Standards: IS/IEC codes, safety norms for power electronics installations.
• Environmental Practices: E-waste recycling, energy-efficient designs, RoHS compliance.

Trade Practical

• SMPS/UPS Repair: Testing and troubleshooting SMPS, UPS circuits; replacing faulty components.
• Solar Installation: Installing solar panels, connecting inverters, testing performance.
• Fiber Optics: Setting up fiber optic links, measuring signal loss with OTDR.
• Sensor Interfacing: Wiring and testing industrial sensors with PLC systems.
• Industrial Exposure: Training in electronics firms or renewable energy units (4-6 weeks).
• Maintenance: Servicing power electronic equipment, documenting repair logs.
• Project Work: Assembling and testing a solar-powered UPS system with performance evaluation.

Hours: Theory: 160 hours | Practical: 240 hours

Additional Components

• Workshop Calculation and Science
  
  • Calculations: Power factor, efficiency, transformer ratings, circuit impedance.
  • Science: Semiconductor physics, electromagnetic induction, thermal effects in electronics.
  • Hours: 80 hours/year
• Engineering Drawing
  
  • Drawing circuit diagrams, PCB layouts, single-line diagrams for power systems.
  • Hours: 80 hours/year
• Employability Skills
  
  • Communication: Client interaction, technical reporting, teamwork.
  • IT Literacy: Using design software (e.g., Eagle), online troubleshooting resources.
  • Soft Skills: Time management, resume writing, interview skills.
  • Hours: 60 hours/year

Assessment and Certification

• Exams:
  
  • Theory: Written exams per semester (MCQs, descriptive questions).
  • Practical: Tasks like circuit assembly, PLC wiring, fault diagnosis.
• Evaluation Criteria: Circuit functionality, troubleshooting accuracy, safety compliance, project quality.
• Certification: NCVT National Trade Certificate (NTC) upon passing all semesters, globally recognized.

Career Opportunities

• Employment: Power electronics technician, service engineer, PLC operator in electronics, renewable energy, or automation industries.
• Self-Employment: Repair shop for inverters/UPS, solar installation services, consultancy.
• Further Studies: Diploma in Electronics Engineering, certifications in PLC programming, or solar technology.