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permanent magnet |
Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia, Hutchinson | 0.03 sec. |
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permanent magnet [′pər·mə·nənt ′mag·nət] (electromagnetism) A piece of hardened steel or other magnetic material that has been strongly magnetized and retains its magnetism indefinitely. Abbreviated PM. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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It has electrical windings on a rectangular core and a permanent magnet that slides back and forth over the windings. Vacon NXP can run both standard induction motors and permanent magnet synchronous motors in all configurations, from servo to dedicated high-speed permanent magnet motors. Perhaps the most basic question that C&D recyclers have to consider when selecting a magnet is whether they want a permanent magnet or an electro magnet. |
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