Curioustab

Home » Electronics and Communication Engineering » Power Electronics

A rectifier is fed by a transformer. The rms voltage and current at secondary of transformer are Vs and Is. Output dc power is Vdc Idc and output ac power is (Vrms ) (Irms), Transformer utilisation factor TUF is

Correct Answer:

← Previous Question Next Question→

More Questions from Power Electronics

In the below figure, the load is highly inductive. The firing angle is a for each of the thyristors. The periods of conduction of Th1 and Th2 respectively are
A single phase semiconverter is feeding a highly inductive load and has a freewheeling diode across the load. The waveshape of input current is
A crowbar circuit is generally needed for protection under fault conditions.
A single phase fully controlled bridge converter is fed by a voltage Vm sin ωt. The average and rms values of output voltage are
In a bridge inverter
In a modified series inverter with two inductors and two capacitors, the load current
The number of leads in a DIAC are
An ideal rectifier should have
To turn off an SCR, it is necessary to reduce its current to less than :
Assertion (A): The circuit of figure thyristor will conduct for 180° during positive half cycle if it is continuously fired. Reason (R): A thyristor can conduct only when it is forward biased.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion