Choppers Sample Electrical Engineering Job Questions, Practice Questions on Chopper Circuits, Job Interview Questions, Choppers Written Test Questions:
What is the principle of operation of a DC Chopper?
Explain the two important control strategies of chopper operation – constant frequency system and variable frequency system.
What are step up choppers? What is its principle?
Expression for average O/P voltage in terms of I/P DC Voltage and duty cycle.
Explain different types of chopper circuits.
- Type A Chopper & Type B Chopper
- Two quadrant Type A Chopper or Type C
- Two quadrant Type B chopper or Type D
- Four quadrant chopper or Type C Chopper
What are thyristor – chopper circuits and their various types – voltage commutated, load commutated and current commutated?
Questions about Multiphase Choppers:
Expression for maximum and minimum value of load current in terms of source voltage
What are the advantages and disadvantages of multiphase choppers?
In phase and phase shifted operation of multiphase chopper.