The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Fault Tolerance Improvement of IPM Type BLDC Motor Considering Winding Configuration under a Stator Inter-Turn Fault Condition

Stator inter-turn fault 발생 시 권선 방식에 따른 IPM Type BLDC Motor의 Fault Tolerance 향상

  • 김희운 (한국파워트레인(주)) ;
  • 윤진규 (세종공업(주)) ;
  • 허진 (울산대학교 전기전자정보시스템공학부)
  • Received : 2010.11.24
  • Accepted : 2011.02.17
  • Published : 2011.03.01
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Abstract

This paper analyzes fault tolerance under a stator turn fault, according to the winding configuration. Improvement of torque characteristics and fault tolerance can be achieved by winding configuration without additional methods. And, torque characteristics and fault tolerance according to the winding configuration can be usually analyzed by analytical method. But, when the stator turn fault generates, compare to the steady-state, analysis of torque characteristics and fault tolerance using the analytical method is not accurate because it does not reflect influence in mutual inductance and magnetic non-linearity. Therefore, analysis of torque characteristics and fault tolerance has to be performed by using the numerical method under fault condition. This paper develops fault characteristics according to the winding configuration using the FEM-base model considered magnetic non-linearity. And, this paper suggests fault tolerance improvement according to the winding configuration, by the comparison of 8/12 and 10/12 models, under fault condition.

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References

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