Curioustab

Home » Electronics and Communication Engineering » Power Electronics

In a single phase full wave ac regulator using two thyristors only, the gate circuits of the two thyristors

must be isolated
may or may not be isolated
should be preferably, isolated
should not be isolated

Correct Answer: must be isolated

← Previous Question Next Question→

More Questions from Power Electronics

Which of the following devices has metal-silicon junction?
The main utility of SCR is due to
Assertion (A): A half wave controlled rectifier has poorer efficiency and higher ripple factor than a full wave controlled rectifier. Reason (R): The use of a freewheeling diode in half wave controlled rectifier circuit improves the waveform of load current and circuit power factor.
A fully controlled bridge converter is feeding an RLE load. For some circuit conditions firing angle is 47°. If connections of battery are reversed, the firing angle is likely to be
The efficiency of a chopper circuit is about
Which of these devices can conduct in both directions?
Mc Murray full bridge inverter uses
If 0.5 T is the time period of oscillations and Toff is the time between turn off of one thyristor and turn on of second thyristor, the frequency of output f of a series inverter is
In rectifier circuits, the rms value of ac component of output voltage is equal to
Half bridge and full bridge inverters of one type use different commutation methods.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion