10 Flux Linkage in Phase Winding

# 10 Flux Linkage in - Flux Linkage in Phase Winding For Fundamental Harmonic in Double Layer Lap Winding Cross Section Diagram b axis d q axis d

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Unformatted text preview: Flux Linkage in Phase Winding For Fundamental Harmonic in Double Layer Lap Winding Cross Section Diagram b axis d q axis d axis m a d m a a axis c axis Stator Winding Fractional Pitch (exaggerated end turns) 2 3 m a axis a 2 m m m a m P 2 a axis q=2 q=4 q coils per group Geometry of One Turn a a axis a axis m l a r a i m B m a i z m m q z 1 m m q z 1 m m a r 2 2 m m a r 2 2 ) 1 ( 2 , 1 , q q=2 l m sm r r z m r Flux of One Turn (1) ) 2 cos( a pk P B B Assume the magnetic field for the fundamental harmonic in airgap is: m m m m a q z 1 m m q z 1 a i m B r 2 2 m m a r 2 2 ) 1 ( 2 , 1 , q a axis l r m sm l a r a i dz d P r B dz Brd l q r z q a a pk l l q r z q r z a m m m m m m m m m m m m 2 / 2 1 / 2 / 1 2 / 2 / 2 1 / 2 / 2 1 / 2 / ) cos( m P P z zP zP r B dz P P r B l k l l q r z q r z a pk l r z m m m m m m m m m m m m 2 / 2 / 2 / 2 1 / 2 / 2 1 / 2 / 2 / 2 / 2 / 1 1 2 | ) 2 sin( 2 / 2 2 m 2 dz q r zP P D B dz q r q r P l l m pk l m m pk 2 / 2 / 2 / ) 2 1 2 cos( 2 sin 2 ) 2 2 2 sin( ) 2 2 2 sin( Flux of One Turn (2) 1 2 ) 2 cos( 2 sin 2 2 / 2 / k l l m pk zP D B dz r zP P D B...
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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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10 Flux Linkage in - Flux Linkage in Phase Winding For Fundamental Harmonic in Double Layer Lap Winding Cross Section Diagram b axis d q axis d

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