• Corpus ID: 13882033

A comparison study of the commutation methods for the three-phase permanent magnet brushless DC motor

  title={A comparison study of the commutation methods for the three-phase permanent magnet brushless DC motor},
  author={Shiyoung Lee and T. H. Lemley and Gene Keohane},
The three-phase permanent magnet brushless dc (BLDC) motor inherently needs an electronic commutation circuit to drive it because it is not a self-commutating motor. It is contrary to the conventional brush motor which commutates itself. This paper presents a comparison study of three widely used different commutation methods in terms of the complexity of the commutation circuit, torque ripple, and efficiency. The principle of the operation of the three-phase BLDC motor is introduced first and… 
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