Unformatted text preview: Special problem #2 (partial answer 16 Joules, 32 Joules, 800N) An electromechanical system is described by the following fluxlinkage vs current characteristic: 04 i 01 x . . λ = It is operated on the closed cycle a  b  c  d  e as indicated below, with x constant during a  b and also c  d. The current is constant during b  c and also d  e. a b c d e i (Amps) i b i b λ (Wb turns) 8 λ c x (meters) .03 .03 .02 .02 .03 Find the following things: a) i b and λ c . b) The energy stored in the coupling field at points b and c. c) The force of electric origin at points b and c. d) Sketch this cycle in the λ vs i plane (label points a, b, c, d, and e) e) Sketch this cycle in the force vs x plane (label points a, b, c, d, and e) f) Is this is a motor or a generator?...
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 Spring '08
 Kim
 Energy, Electromagnet, Magnetic Field, coupling field

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