Lecture9 - Lecture 9 Transformation from a-b-c frame to 0...

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Lecture 9 Transformation from a-b-c frame to 0- α - β frame . For 3 stator phases Sa , Sb , Sc and 3 rotor phases Ra , Rb , Rc , the flux linkage matrix is + ° ° + ° ° + ° ° ° ° + ° ° + ° ° + = Rc Rb Ra Sc Sb Sa R R R S S S Rc Rb Ra Sc Sb Sa i i i i i i M M M n M n M n M M M M n M n M n M M M M n M n M n M n M n M n M M M M n M n M n M M M M n M n M n M M M M l l l l l l 5 . 0 5 . 0 cos ) 240 cos( ) 120 cos( 5 . 0 5 . 0 ) 120 cos( cos ) 240 cos( 5 . 0 5 . 0 ) 240 cos( ) 120 cos( cos cos ) 120 cos( ) 240 cos( 5 . 0 5 . 0 ) 240 cos( cos ) 120 cos( 5 . 0 5 . 0 ) 120 cos( ) 240 cos( cos 5 . 0 5 . 0 θ θ θ θ θ θ θ θ θ θ θ θ θ θ θ θ θ θ λ λ λ λ λ λ (1) θ Sa Sb Sc Ra Rb Rc
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