Mathematics · Numerical Aptitude

Determine the input power from the source for a DC series motor drive circuit, which is fed from a 400 V DC supply through a chopper. The chopper is operating in the first quadrant and its duty cycle is 0.6. The armature current of the motor is considered as ripple-free and its average value is 150 A.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

140 kW
254 kW
336 kW✓
412 kW

Correct answer

36 kW

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