Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Thermal Characteristics of 600 W Brushless DC Motor under Axial Loading Condition

회전축 부하를 고려한 BLDC 모터의 열적 특성에 관한 실험 및 수치 해석적 연구

  • Kwon, Hwabhin (Department of Mechanical Engineering, Changwon National University) ;
  • Lee, Won-Sik (Department of Electrical Engineering, Changwon National University) ;
  • Kim, Gyu-Tak (Department of Electrical and Electricity Control Engineering, Changwon National University) ;
  • Park, Heesung (Department of Mechanical Engineering, Changwon National University)
  • 권화빈 (창원대학교 기계공학과 대학원) ;
  • 이원식 (창원대학교 전기공학과 대학원) ;
  • 김규탁 (창원대학교 전기전자제어공학부) ;
  • 박희성 (창원대학교 기계공학부)
  • Received : 2016.10.17
  • Accepted : 2016.11.14
  • Published : 2016.12.01
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Abstract

A brushless direct current (BLDC) motor electronically performs rectification without brushes. It therefore does not have the typical mechanical friction contacts between the brushes and commutators. The BLDC motor has the advantages of high speed, low noise, and electronic noise reduction in addition to high durability and reliability. Therefore, it is mainly used in electric vehicles and electric equipment. However, iron loss and copper loss due to long-term use induce temperature increases in the motor, which reduces its performance and life. The temperatures of the stator and permanent magnet are predicted to be $62.3^{\circ}C$ and $32.2^{\circ}C$, respectively. This study shows the enhanced temperature distribution in a 600 W BLDC motor using unsteady and three-dimensional (3D) numerical investigations validated with experimental data.

Keywords

References

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