Characteristics of Selected Devices: Fast recovery diodes, Schottky diode, SCR, gate
trigger and commutation circuits, series and parallel connection of SCRs, Diac, Triac, UJT,
Power MOSFETs.
Controlled Rectifier: Half wave and full wave with resistive & R-L-E and resistive-inductive
loads. Free-wheeling diode, three phase rectifiers, Bridge rectifiers -half controlled and fully
controlled.
Inverter, Chopper And Cycloconverter : Voltage driven, current driven, bridge, parallel,
SCR versions, control of output voltage-PWM schemes, harmonic reduction
Motor Control: D.C. and A.C. motor control, reversible drives, closed loop control,
commutatorless d.c. motor control.
A.C. Voltage Controllers: Types of AC Voltage Controllers, Integral cycle control, single
phase voltage controller, Sequence control of AC voltage (Transformer tap changers)