Approaches to suppressing shaft voltage in brushless DC motor driven by PWM inverter

@article{Maetani2011ApproachesTS,
  title={Approaches to suppressing shaft voltage in brushless DC motor driven by PWM inverter},
  author={Tatsuo Maetani and Shigeo Morimoto and Kenichi Iimori and Yoshinori Isomura and Akihiko Watanabe},
  journal={2011 International Conference on Electrical Machines and Systems},
  year={2011},
  pages={1-6}
}
This paper describes the shaft voltage reduction achieved by the brushless DC motor for air conditioning driven by the voltage source inverter. First, the simplified equivalent circuit of the concentrated winding brushless DC motor is derived based on the common mode equivalent circuit where stray capacitance is taken into account. Then, the electrostatic capacity distributions between winding and stator core, winding and magnet, stator core and magnet, and magnet capacitance are measured, and… CONTINUE READING

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