Electrical Engineering · Electric Drives
Which of the following methods is most commonly used for sensorless control in a Brushless DC (BLDC) motor?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Detecting the back electromotive force (EMF) in the unexcited phase windings✓
- 2Employing high-resolution optical encoders
- 3Utilizing Hall-effect sensors inside the motor stator
- 4Using a mechanical tachometer on the rotor shaft
Correct answer
Detecting the back electromotive force (EMF) in the unexcited phase windings
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