Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Electronics and Communication Engineering
»
Power Electronics
A 750 A circuit uses thyristor of current rating 175 A. If derating is 25%, the number of thyristors in parallel is
3
4
6
10
Correct Answer:
6
Explanation:
.
← Previous Question
Next Question→
More Questions from
Power Electronics
Which of these triggering methods for series connected SCRs use LASCR in the gate circuit?
In a series inverter supplying a load resistance R, the commutating elements L and C should be such that
An RC snubber circuit is used to protect a thyristor against :
In a single phase full wave ac regulator the rms value of load current is 20 A load is purely resistive. Then
A 3 phase ac regulator uses
HVDC transmission systems generally use
A dc separately excited motor has a constant field current. The armature is fed from a single phase supply through a semi-converter. When a = 0, speed is 600 rpm. If a = 90°, the speed is likely to be
Assertion (A): An inverter does not require forced commutation Reason (R): A series inverter is a forced commutation inverter.
A single phase series converter is used for
The average load current supplied by a thyristor depends on
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments