Podcast
Questions and Answers
How is a class-E chopper circuit formed?
How is a class-E chopper circuit formed?
- By the series combination of two class-C chopper circuits
- By a single class-C chopper circuit
- By the parallel combination of two class-C chopper circuits (correct)
- By the combination of a class-A and class-B chopper circuit
What is a class-E chopper capable of?
What is a class-E chopper capable of?
- Operating in all four quadrants of output voltage and current plane (correct)
- Operating in three quadrants of output voltage and current plane
- Operating only in one quadrant of output voltage and current plane
- Operating in two quadrants of output voltage and current plane
Which power semiconductor devices are most commonly used in a class-E chopper?
Which power semiconductor devices are most commonly used in a class-E chopper?
- SCRs (Silicon Controlled Rectifiers)
- Diodes
- Triacs
- Transistors (IGBT, MOSFET, or BJT) (correct)
How is the operation of a class-E chopper in the first quadrant achieved?
How is the operation of a class-E chopper in the first quadrant achieved?
During the first quadrant operation of a class-E chopper, where does the power flow?
During the first quadrant operation of a class-E chopper, where does the power flow?
What happens to the average output current Io during the second quadrant operation of a class-E chopper?
What happens to the average output current Io during the second quadrant operation of a class-E chopper?
When operating a class-E chopper in the third quadrant, how should the polarity of the load EMF E be?
When operating a class-E chopper in the third quadrant, how should the polarity of the load EMF E be?
Which switch is turned ON during the second quadrant operation of a class-E chopper?
Which switch is turned ON during the second quadrant operation of a class-E chopper?
What happens to the output voltage Vo during the discharge period of the load inductor?
What happens to the output voltage Vo during the discharge period of the load inductor?
In a step-down chopper, what is the relationship between load voltage and source voltage?
In a step-down chopper, what is the relationship between load voltage and source voltage?
