Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 1993.07b
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- Pages.993-996
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- 1993
The static thrust calculation of a Hybrid-type LPM calculated by the Coenergy Method
자기(磁氣) 수반(隋伴)에너지를 이용한 Hybrid형 LPM의 정추력(定推力) 계산(計算)
- Lee, Jae-Bong (Korea Electrotechnology Research Institute) ;
- Cho, Yun-Hyun (Korea Electrotechnology Research Institute) ;
- Shin, Pan-Seok (Hong-ik University)
- Published : 1993.07.18
Abstract
This paper presents the static thrust of a hybid-type LPM by coenergy method. First, the nonlinealities of the permanent magnet, the primary core and the secondary are interpolated by the cubic spline method. Then the equivalent magnetic circuit including airgap reluctance, which is a function of displacement, modelled by the permeance method is obtained. From the derivative of coenergy with displacement computed by Newton Raphson method, the static thrust is calculated at each displacement with certain exciting current.
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