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Characteristic Analysis of Automotive Starter DC Motor with Auxiliary Pole Core  

하재평 (창원대 공대 전기공학과)
하경호 (POSCO㈜ 기술연구소 전기강판 연구소)
홍정표 (창원대 공대 전기공학과)
김진구 (KASCO㈜ 제품개발2팀)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.52, no.3, 2003 , pp. 107-115 More about this Journal
Abstract
This paper deals with the effect of the auxiliary pole core in the automotive starter motor on its characteristics. This motor is excited by the permanent magnet and has auxiliary pole core in the stator. The auxiliary pole core is a device to increase the effective flux to obtain the starling torque and prevent the demagnetization of the permanent magnet from the starting current. It Is important to design the auxiliary pore core. And overhang structure causes the electromagnetic phenomenon of 3-dimensional flux Path. Therefore. the characteristic analysis is achieved by the 2-dimensional Finite Element Method (FEM) with the compensated model and the 3-dimensional Equivalent Magnet Circuit Network (3D EMCN). The mechanical loss and the brush and coil resistance are separated from the various experiment of the tested motor, and then these factor are reflected on the analysis results. The validity of the proposed analysis method is verified by comparing the experimental and analysis results. The effects of the design parameters related to the auxiliary pole cote on the motor performance are analyzed by the proposed method.
Keywords
auxiliary pole; EMCN; FEM;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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