A step down chopper is operated at 240V at duty cycle of 75%. Find the – McqOptions

MCQOPTIONS

1.	A step down chopper is operated at 240V at duty cycle of 75%. Find the value of RMS switch (IGBT/MOSFET) current. Take R = 10 .
A.	2.07 A
B.	200 mA
C.	1.58 A
D.	2.4 A
Answer» B. 200 mA

Discussion

No Comment Found

Related MCQs

For a step-down chopper, when the duty cycle is increased the average value of the output voltage
For a step-up chopper, when the duty cycle is increased the average value of the output voltage
A step-up chopper has input voltage of 220 V and output voltage of 660 V. If the conducting time of the IGBT based chopper is 100 s, compute Toff width of the output voltage pulse.
Find the expression for effective input resistance of a step down chopper. With R load and duty cycle = .
A step down chopper is operated at 240V at duty cycle of 75%. Find the value of RMS switch (IGBT/MOSFET) current. Take R = 10 .
For a step-down chopper, find the rms value of output voltage. Let be the duty cycle and Vs be the input voltage.
If a step up chopper s switch is always kept open then (ideally)
If a step up chopper s switch is always kept off then (ideally)