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EC-604 (C) · POWER ELECTRONICS/Official Syllabus

POWER ELECTRONICS (EC-604 (C)) - Official Syllabus

1
Unit 1

Power Semiconductor Switches

  • Power diodes - Basic structure and V-I characteristics - various types - DIACs - Basic structure and V-I characteristics - TRIACs - Basic structure and V-I characteristics
  • Power BJT: Construction and working principle, quasisaturation, primary breakdown, secondary breakdown
  • IGBTs - Basic structure and V-I characteristics
  • Power MOSFETs - Basic structure and V-I characteristics
  • Thyristors - basic structure - static and dynamic characteristics - device specifications and ratings - methods of turning on - gate triggering circuit using UJT
2
Unit 2

Rectifiers

  • Thyristors- series and parallel operation, methods of turning off - commutation circuits
  • Line frequency phase controlled rectifiers using SCR Single Phase - Half wave rectifier with R and RL loads
  • Full wave half controlled and fully controlled converters with continuous and constant currents
  • Input side harmonics and power factor - Effect of source inductance
  • Three Phase - Half wave rectifier with R and RL loads - Full wave fully controlled converters with continuous and constant currents
3
Unit 3

Inverters & Cycloconverters

  • Inverters - Single phase inverters - series, parallel and bridge inverters
  • Single Phase Pulse Width Modulated (PWM) inverters - Basic circuit and operation
  • Single phase series resonant inverter, Single phase bridge inverters,Three phase bridge inverters
  • Voltage control of inverters, Harmonics reduction techniques
  • Single phase and three phase current source inverters
4
Unit 4

AC Voltage Controllers

  • Principle of On-Off and phase controls, Single phase ac voltage controller with resistive and inductive loads
  • Three phase ac voltage controllers (various configurations and comparison only), Single phase transformer taps changer
  • Cyclo Converters-Basic principle of operation, single phase to single phase, three phase to single phase and three phase to three phase cyclo converters, output voltage equation
5
Unit 5

DC - DC Converters

  • Choppers - Principle of operation - step-up and step-down choppers
  • Switching regulators - Buck regulators - Boost regulators - Buck-boost regulators
  • Switched mode power supply - principle of operation and analysis

Reference Books

  • Power Electronics — Ned Mohan — John Wiley and Sons
  • Power Electronics, Circuits Devices and Applications — Rashid — Pearson Education
  • Thyristorised Power Controllers — G.K.Dubey — Wiley Eastern Ltd
  • Power Semiconductor Circuits — Dewan, Straughen — John Wiley & Sons
  • Power Electronics — Cyril W Lander — Mc Graw Hill
  • Power Electronics — M.D. Singh, K.B.Khanchandani — Tata MC Graw Hill
  • Principles of Electric Machines and Power Electronics — P.C Sen — John Wiley & Sons
  • Power Electronics — P.S Bhimbhra — Khanna Publishers
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