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Finite Element Anal...
Finite Element Analysis of a Permanent Magnet Machine with Two Contra-rotating Rotors
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- Ranlöf, Martin (author)
- Uppsala universitet,Elektricitetslära
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- Lundin, Urban, 1972- (author)
- Uppsala universitet,Elektricitetslära
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(creator_code:org_t)
- Taylor & Francis, 2009
- 2009
- English.
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In: Electric power components and systems. - : Taylor & Francis. - 1532-5008 .- 1532-5016. ; 37:12, s. 1334-1347
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Abstract
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- Electrical machines with contra-rotating rotors find applications in direct-drive energy conversion systems and in ship propulsion systems that employ hydraulic machinery with two contra-rotating stages. In this article, the operating characteristics of permanent magnet machines with two contra-rotating rotors moving on opposite sides of a common stator core are studied via two-dimensional finite element analysis. Particular attention is devoted to the special flux distortion patterns that arise in contra-rotating machine topologies. The study suggests that the introduction of a screening iron core between the rotors provides for negligible flux distortion levels during contra-rotating synchronous operation of the two rotors.
Keyword
- TECHNOLOGY
- TEKNIKVETENSKAP
Publication and Content Type
- ref (subject category)
- art (subject category)
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