lect20

# lect20 - Lecture 20 EE743 Lecture 20 EE743 Professor Ali...

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Unformatted text preview: Lecture 20 - EE743 Lecture 20 - EE743 Professor: Ali Keyhani Professor: Ali Keyhani Two-Phase Induction Machines Part VII 2 ■ For an arbitrary reference of frame, the Steady-State Operation Steady-State Operation equations are expressed as, Two-Phase Two-Poles Induction Two-Phase Two-Poles Induction Machines - Machines - Arbitrary Reference Frame Arbitrary Reference Frame ( 29 ( 29 r qr dr dr r dr r dr qr qr r qr qs ds ds s ds ds qs qs s qs P i r V P i r V P i r V P i r V ϖ ϖ λ λ ϖ ϖ λ λ λ ϖ λ λ ϖ λ-- + =- + + =- + = + + = ' ' ' ' ' ' ' ' ' ' 3 Two-Phase Two-Poles Induction Two-Phase Two-Poles Induction Machines - Machines - Arbitrary Reference Frame Arbitrary Reference Frame ( 29 ( 29 ' ' dr ds ms ds ls s ds qr qs ms qs ls s qs i i L i L i i L i L where + + = + + = λ λ ( 29 ( 29 ds dr ms dr lr dr qs qr ms qr lr qr i i L i L i i L i L + + = + + = ' ' ' ' ' ' ' ' λ λ 4 ■ The torque for an arbitrary reference frame can be expressed as, Two-Phase Two-Poles Induction Two-Phase Two-Poles Induction Machines - Machines - Arbitrary Reference Frame Arbitrary Reference Frame ( 29 ( 29 ( 29 ' ' ' ' ' ' 2 2 2 qr dr dr qr e ds s q qs ds e qr ds dr qs ms e i i P T or i i P T or i i i i L P T λ λ λ λ- =- =- = 5...
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lect20 - Lecture 20 EE743 Lecture 20 EE743 Professor Ali...

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