Electrical Engineering · Electrical Machines
What is the main principle behind the operation of a brushless DC (BLDC) motor?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Feedback from a Hall-effect sensor or encoder for electronic commutation of stator currents✓
- 2Varying the supply frequency exclusively to induce rotor current without position tracking
- 3Application of magnetic induction in the stator windings to produce slip-based rotation
- 4Use of slip rings and carbon brushes for mechanical commutation
Correct answer
Feedback from a Hall-effect sensor or encoder for electronic commutation of stator currents
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