16 Permanent Magnet Motor Design

16 Permanent Magnet Motor Design - Permanent Motor Design...

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Permanent Motor Design
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Part 1 – General Considerations
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Permanent Magnet (PM) Motor haracterized by permanent Characterized by permanent magnets on rotor nown for its simplicity and Known for its simplicity and low maintenance o copper loss on rotor No copper loss on rotor High efficiency
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Stator Volume and Size 0 2 V T l D out P T Typically cooled) (air less or 10hp for lb) ft /( in 10 ~ 9 3 0 V m he unit for d inch cooled) (water more or 10hp for lb) ft /( in 6 ~ 5 3 0 V The unit for D and L is inch. If we design D=L , we have the stator bore (inner) diameter estimated 3 1 0 ) ( TV D estimated e can pick up ose to We can pick up D close to D estimated.
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Stator Core Design P a is a g eff ole pitch per half p gap core d r B l / 0 , ) ( pk g eff ae ae pk g eff B l D d B P l D , 2 / 0 , ) cos( 2 2 (1) , , i i c eff pk g i i c core pk core l k Pd l DB l k d B P ) ( , 0 eff s pk g ae i ae g eff tooth l B d r B l (2) , i i s eff pk g s i i s tooth tooth l k t l B l k t B ake t h k Take tooth pk core s s B B t 8 . 0 , 5 . 0 , P D d c 6 . 1
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Number of Turns per Coil pk g a e pk g a e rated N f N f V , , , ˆ 44 . 4 ˆ 2 P Dl B pk g pk , 2 ˆ where 1 . 1 / a w a N k N s d w k k k k C PqN N / p N a
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This note was uploaded on 11/30/2011 for the course EEL 6208 taught by Professor Staff during the Fall '11 term at University of Central Florida.

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16 Permanent Magnet Motor Design - Permanent Motor Design...

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