Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Electronics and Communication Engineering
»
Power Electronics
The dynamic equalising circuit consists of a series combination of capacitor C and resistor RC across each thyristor. This resistance RC (along with parallel connected diode)
limits charging current
limits discharging current
limits both charging and discharging currents
none of the above
Correct Answer:
limits discharging current
Explanation:
Discharge current flows through R
e
.
← Previous Question
Next Question→
More Questions from
Power Electronics
A dc separately excited motor has constant field current. The armature is fed from a single phase supply through a full converter. When a = 0, speed is 500 rpm. If a = 45°, the speed is likely to be
Two thyristor of same rating and same specifications
In single phase half wave regulator, the average current over one full cycle
Thyristors are suitable for dc circuit breakers but not for ac circuit breakers.
If duty cycle is a and the load is a resistance R, the rms value of output voltage is
The amount of dielectric heating is inversely proportional to frequency.
A thyristor needs protection against
All inverters use forced commutation.
Assertion (A): A dual converter may be circulating current type or non circulating current type. Reason (R): In circulating current dual converter only one converter can be operated at one time.
The two modes of operation of three phase bridge inverters are known as
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments