Contents

• Unit I. AC Voltage Controllers: Principle of On-Off Control, Principle of Phase control, SinglePhase Bi-directional Controllers with Resistive Loads, Single Phase Controllers with Inductive Loads, Three Phase full wave AC controllers, AC Voltage Controller with PWM Control.

   

  
  Unit II Cycloconverters: Basic principle of operation, single phase to single phase, three-phase to three-phase and three-phase to single phase cyclo-converters. Output equation, Control circuit.

   

  
  Unit III Inverters: Principle of Operation, Single-phase bridge inverters. Three phase bridge Inverters:  80 and 120 degree of conduction. VSI and CSI. Voltage control of Single Phase and Three Phase Inverters, Harmonic analysis,harmonic reduction techniques,Pulse width modulation techniques.

   

  
  Unit IV Resonant Pulse Inverter: Series resonant inverter with unidirectional switches, parallel resonant inverter, class E resonant inverter, L-type and M-type ZCS resonant converter, ZVS resonant converter.

   

  
  Unit V Power Supplies: Switched Mode DC Power Supplies, fly-back converter, forward converter, half and full bridge converter, resonant DC power supplies, bi-directional power supplies. Resonant AC power supplies, bidirectional AC power supplies.Multistage conversions, Control Circuits: Voltage Mode Control,Current Mode Control