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Unformatted text preview: where . a) Express the steady-state form of the model and use it to determine , . (15 pts) b) Transform the dynamic model into the physical-variable model ( variables). (10 pts) 4) A wound-rotor synchronous machine is operated as a generator and is connected to a utility in which rad/sec. mH, , mH, negligible, . The system is operating in steady state with V, Vs, Vs. Determine , , and . (15 pts) Figure 2 Figure 3 e 1 = V qs e 2 = V ds e 2 = v s = pi qs s i qs s + v qs s = pi ds s i ds s + v ds s = p 0.1 i s ( 29 i s + v s = p d dt----= I as V ds s abc e 377 = L mq L md 10 = = r fd 0.1 = L ls L lfd L lkq 1 L lkd 1 1 = = = = r s = P 2 = V fd 10 = kq 1 1 = fd 1.1 = T e I as...
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- Fall '08