Contents

• 1. Power Semiconductor Devices

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  Objectives, Introduction, Power Diodes, Static V-I Characteristics, Reverse Recovery Characteristics, Types of Power Diodes, Power Transistor, Input Characteristics, Output Characteristics, Switching Characteristics, Thyristor, Static V-I Characteristics, Switching Characteristics, Power MOSFET, Output Characteristics, Transfer Characteristic, Switching Characteristics, IGBT (Insulated Gate Bipolar Transistor), V-I Characteristics, Transfer Characteristic, Switching Characteristics, GTO (Gate Turn Off), Static V-I Characteristics, Switching Characteristics, Diac, V-I Characteristics, Triac, V-I Characteristics, Unijunction Transistor (UJT), Two Transistor Model of Thyristor, Gate Triggering, Forward Voltage Triggering, dv/dt Triggering, Temperature Triggering, Light Triggering, Thyristor Terminology, Solved Examples, Objective Type Questions, Solution of Objective Type Questions, Review Questions.
   
  2. Rectifiers and Inverters

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  Objectives, Introduction, Rectifiers, Single-Phase Half-wave Controlled Rectifier, Single Phase Full Wave Controlled Rectifier, Three Phase Full Wave Full Controlled Bridge Rectifier, Three Phase Full Wave Half Controlled Bridge Rectifier, Inverters, Voltage Source Inverter (VSI), Current Source Inverter (CSI), Solved Questions, Objective Type Questions, Solution of Objective Type Questions, Review Questions.
   
  3. Power Supplies

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  Objectives, Introduction, Principle of Chopper Operation, Step Down Chopper, Step Up Chopper, Chopper Configuration, First Quadrant or Class A Chopper, Second Quadrant or Class B Chopper, Two Quadrant Type A Chopper or Class C Chopper or Reversible Chopper, Two Quadrant Type B Chopper or Class D Chopper, Four Quadrant Chopper or Class E Chopper, Switched Mode Power Supply (SMPS), Fly Back Converter, Buck Converter, Boost Converter, Buck-Boost Converter, Uninterruptible Power Supply, On-line UPS System, Off-line UPS System, Line Interactive UPS System, High Frequency Electronic Ballast, Solved Questions, Objective Type Questions, Solution of Objective Type Questions, Review Questions.
   
  4. Motor Control

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  Objectives, Introduction, DC Motors, Performance Equations of DC Motors, Speed Control of DC Motors, Speed Control using Phase Controlled Converters, Speed Control Using Choppers, Three Phase Induction Motors, Performance Equations of three Phase Induction Motor, Torque–Slip Characteristics, Speed Control of Three Phase Induction Motors, Stator Voltage Control Method, Frequency Control Method, Voltage and Frequency Control Method, Stator Current Control Method, Static Rotor Resistance Control Method, Slip Power Recovery Schemes, Solved Questions, Objective Type Questions, Solution of Objective Type Questions, Review Questions.
   
  5. Stepper Motor

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  Objectives, Introduction, Principle of Operation, Variable Reluctance Stepper Motor (VRSM), Permanent Magnet Stepper Motor (PMSM), Hybrid Stepper Motor (HSM), Merits and Demerits of Stepper Motor, Characteristics of Stepper Motors, Induction and Dielectric Heating, Induction Heating, Dielectric Heating, Comparison of Induction and Dielectric Heating, PLC (Programmable Logic Controller), Components of PLC, Programming a PLC, Applications of PLC, Solved Questions, Objective Type Questions, Solution of Objective Type Questions, Review Questions.
   
  A. Appendix
  P. Papers