Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Electronics and Communication Engineering
»
Power Electronics
Figure shows a chopper feeding RLE load, The free wheeling diode conducts when
thyristor is on
thyristor is off
both when thyristor is on and thyristor is off
partly when thyristor is off and partly when thyristor is on
Correct Answer:
thyristor is off
Explanation:
FD is forward biased only when thyristor is off.
← Previous Question
Next Question→
More Questions from
Power Electronics
A chopper
Assertion (A): If the duty cycle of chopper is low the current would not become discontinuous Reason (R): If the time constant L/R of the load in chopper is low the current may become discontinuous.
In a thyristor the gate current is increased, then
Assertion (A): An ideal rectifier should have unity harmonic factor Reason (R): An ideal rectifier should have unity displacement factor.
A thyristor has a maximum allowable junction temperature of 120°C and the ambient temperature is 40°C. If thermal resistance is 1.6° C/W, the maximum allowable internal power dissipation is
The characteristics of a non-linear resistance is i = kv4. If i becomes 100 times, v becomes
The number of leads in an SCR are :
Thyristors are not suitable for logic circuits.
A cycloconverter can be
For a 12 pulse operation, the two 6 pulse units are fed by
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments