lect30

# lect30 - Lecture E E C C E743 E743 3-Phase Induction...

This preview shows pages 1–8. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Lecture Lecture 30 30- E- E C C E743 E743 3-Phase Induction Machines Summary of Dynamic Equations Professor: Ali Keyhani Professor: Ali Keyhani 2 Dynamic Equations in abc Reference Frame Machine dynamic equations in abc can be written as Flux linkage equations are abcr abcr r abcr abcs abcs s abcs p i r V p i r V λ λ + = + = = abcr abcs r T sr sr s abcr abcs i i L L L L ) ( λ λ abcr r s abcr abcr r s abcr abcr s r abcr N N V N N V i N N i λ λ = ′ = ′ = ′ , , 3 Dynamic Equations in abc Reference Frame [ ] , 2 1 2 1 2 1 2 1 2 1 2 1 +--- +--- + = ms ls ms ms ms ms ls ms ms ms ms ls s L L L L L L L L L L L L L [ ] +--- +--- + = mr lr mr mr mr mr lr mr mr mr mr lr r L L L L L L L L L L L L 2 1 2 1 2 1 2 1 2 1 2 1 L [ ] - + +-- + = r r r r r r r r r sr sr L θ π θ π θ π θ θ π θ π θ π θ θ cos ) 3 2 cos( ) 3 2 cos( ) 3 2 cos( cos ) 3 2 cos( ) 3 2 cos( ) 3 2 cos( cos L 4 Dynamic Equations in abc Reference Frame Fig. 1. A 2-pole 3-phase symmetrical induction machine. 5 Dynamic Equations in abc Reference Frame Fig. 1. A 2-pole 3-phase symmetrical induction machine. 6 Dynamic Equations in abc Reference Frame Fig.2 Axis of 2-pole, 3-phase symmetrical induction. 7 Dynamic Equations in Arbitrary Reference Frame Transformation equations are , ) ( abcs s qd0s f T f θ = , 2 1 2 1 2 1 ) 3 2 sin( ) 3 2 sin( sin ) 3 2 cos( ) 3 2 cos( cos ) ( +- +- = π θ π θ θ π θ π θ θ θ s T , 2 1 2 1 2 1 ) 3 2 sin( ) 3 2 sin( sin ) 3 2 cos( ) 3 2 cos( cos 3 2 ) ( +- +- = π β π β β π β π β β β r T , ) ( abcr r qd0r f T f β = [ ] ....
View Full Document

{[ snackBarMessage ]}

### Page1 / 26

lect30 - Lecture E E C C E743 E743 3-Phase Induction...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online