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Q#1 AC and DC Drives GATE EE 2001 MCQ +1 mark -0.33 marks

In case of an armature controlled separately excited dc motor drive with closed-loop speed control, an inner current loop is useful because it

Limits the speed of the motor to a safe value

Helps in improving the drive energy efficiency

Limits the peak current of the motor to the permissible value

Reduced the steady state speed error

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