Electrical Engineering · DC Machines
Select the incorrect statement regarding the armature control method for a DC shunt motor.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The armature control resistance is designed to carry full armature current, which is why it costs more.
- 2The power loss in the control resistance is low due to the high current rating, leading to high motor efficiency.✓
- 3A constant speed cannot be maintained with a change in load.
- 4Only speeds below the normal rated speed can be achieved.
Correct answer
The power loss in the control resistance is low due to the high current rating, leading to high motor efficiency.
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