Chopper

If T is the time period for a chopper circuit and α is its duty cycle, then the chopping frequency is

• Ton/α

• α/Ton

• Toff/α

• 
  α/Toff

What is the duty cycle of a chopper ?

• Ton/T

• T/Ton

• Toff/T

• 
  T/Toff

Which of the following chopper is known as Motoring Chopper?

• Type A

• Type B Chopper

• Type A and B both Chopper

• None of These

Which of the following chopper is known as regenerative breaking?

• Type A

• Type B Chopper

• Type A and B both Chopper

• None of These

In the ___________ type of chopper, two stage conversions takes place.

• AC link

• DC link

• DC-DC

• None of These

Which of the following chopper works in all four quadrants?

• Type A Chopper

• Type B Chopper

• Type C Chopper

• Type E Chopper

Which of the following chopper is a double quadrant chopper?

• Type A Chopper

• Type B Chopper

• Type C Chopper

• Type D Chopper

Which of the following chopper is a Single quadrant chopper?

• Type A Chopper

• Type B Chopper

• Type C Chopper

• Type D Chopper

A chopper may be thought as a

• Inverter with DC input

• Diode rectifier

• DC equivalent of an AC transformer

• DC equivalent of an induction motor

Which of the following Power Semiconductor Electronic Switch is most Suitable for DC Chopper:

• SCR

• GTO

• IGBT

• MOSFET