Mathcad - 11-11 - Problem 11-11 Pout:= 10 hp Vt:= 250 volt...

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η 83.787% = 100% η P out P in = P in 8.9kW = P in V t I rated = P rot 430.93W = P rot P dev P out - = thus P out 7.457kW = P dev 7.888kW = P dev I a E a = E a 243.189V = E a V t I a R a - = I a 32.435A = I a I rated I f - = I f 3.165A = I f V t R f R rh + = b. E a a. R f R rh R a n rated 3500 rev min = R a 0.21 = I rated 35.6 amp = R rh 43 = R f 36 = V t 250 volt = P out 10 hp = Problem 11-11:
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