Curioustab

Home » Electronics and Communication Engineering » Power Electronics

In the below figure the average load current is 15 A. The rms value of transformer secondary current is

15 A
10.61 A
7.5 A
14.14 A

Correct Answer: 10.61 A

Explanation:

RMS secondary current = = 15/1.414 = 10.608 A.

← Previous Question Next Question→

More Questions from Power Electronics

In a circuit using a full wave converter (M - 2 connection) the PIV of each thyristor is 400 V. For the same output voltage and fully controlled bridge converter, PIV will be
If Vdc1 is the dc output voltage in half wave controlled rectifier circuit feeding resistive load and Vdc2 is the dc output voltage in full wave controlled rectifier circuit (M - 2 connection) feeding resistive load, then
The total number of leads in reverse conducting thyristor is
Current derating may be necessary when thyristors are operating in
Assertion (A): A transistor requires a continuous base signal for conduction but a thyristor requires a gate pulse. Reason (R): Transistor find widespread application in power electronic circuits.
The phenomenon of overlap in converter operation due to
A single phase semiconverter is feeding a highly inductive load and has freewheeling diode across the load. The waveshapes of output voltage and output current
A semiconverter feeding an RLE load operates in
Assertion (A): Inverters and choppers use fast switching thyristors Reason (R): Fast switching SCR has low turn off time.
For a BJT a = 0.98, then β =

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion