Course Content
Review of line commutated converters, inverters, voltage control & Power factor improvement. Power Devices : BJT, MOSFET, IGBT & GTOs - operating characteristics and gate drive requirements and circuits. Switched-mode rectifier : various power circuit configurations and wave shaping techniques. Synchronous link rectifiers: Power circuit configurations, control techniques, application of these converters in load compensation, series compensators, multi level converters. Inverters : Voltage source inverters :-single phase & Six step inverters, voltage control & PWM strategies and implementation aspects, Modification of power circuit for four quadrant operation. Current source inverters : single phase and three phase power circuit configuration and analysis. Load commutated inverters: principle of operation, modification of power circuit configuration for low frequency operation. Phase Controllers.
Text / References
- 1 N. Mohan, T.M. Undeland & W.P. Robbins, Power Electronics : Converter, Applications & Design, John Wiley & Sons, 1989.M.H. Rashid, Power Electronics & A.C. Drives, Prentice Hall, 1986.