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Unformatted text preview: EE321 Exam 4 Spring 2008 Write your name and student ID on the bluebook. Only turn in the bluebook. Notes: You must show work for credit. Getting 70% of problems 2-5 satisfies objective 4. Getting 70% of problem 3 or 4 satisfies objective 2. Getting 70% of problem 5 satisfies objective 3. Handy trigonometric identities: “The will to win means nothing without the will to prepare.” - Juma Ikangaa ( 29 ( 29 ( 29 dx du u u dx d dx du u u dx d B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A cos ) sin( sin ) cos( ) sin( ) sin( 2 1 cos sin ) cos( ) cos( 2 1 sin sin ) cos( ) cos( 2 1 cos cos sin sin cos cos ) cos( sin cos cos sin ) sin( =- =- + + = +-- =- + + = = ± ± = ± ∓ 1.) Consider a transformer with no leakage inductance. The resistance of the primary and secondary windings is 1 Ω and 2 Ω respectively. The flux linkage equations may be expressed: ) 10 ( 50 ) 10 ( 5 s p s s p p i i i i + = + = λ λ Determine a T-equivalent circuit wherein the primary winding (denoted with subscript ‘p’) is...
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- Spring '08
- Cos, Trigraph