Q:

A single-phase ac switch is used in between a 230 V source and load of 2 kW and 0.8 lagging power factor. Determine the rms current rating required by the SCR. Use the factor of safety = 2.

A) 10.87 A B) 87 A
C) 21.74 A D) 32 A
 

View Answer Explanation

142