슬롯리스 브러시리스 영구자석기기의 자화 패턴에 따른 전자기적 특성해석

Electromagnetic Analysis of Slotless Brushless Permanent Magnet Machines According to Magnetization Patterns

  • 장석명 (충남대 공대 전기공학과) ;
  • 최장영 (충남대 공대 전기공학과) ;
  • 조한욱 (충남대 공대 전기공학과) ;
  • 박지훈 (충남대 공대 전기공학과)
  • 발행 : 2005.12.01

초록

This paper deals with the electromagnetic field analysis of slotless brushless permanent magnet machines with three different magnetization patterns such as Halbach, parallel and radial magnetization. The magnetization modeling of Halbach, parallel and radial magnetization is performed analytically. And then, analytical solutions for open-circuit field distributions, armature reaction field distributions, flux linkages due to PMs and stator windings, torque, back-emf and inductance are derived in terms of magnetic vector potential and two-dimensional (2-d) polar coordinate systems. The analytical results are validated extensively by finite element (FE) analyses. The magnet volume required in order to produce identical flux density is compared with each magnetization. Finally, analytical solutions and derivation procedures of those presented in this paper can be applied to slotless and slotted brushless permanent magnet AC and DC machines.

키워드

참고문헌

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