Unformatted text preview: PU 0.99 T rated ⋅ = T BD 2.00 T rated ⋅ = T LR 1.10 T rated ⋅ = From tables 75, 6, and 7, the multipliers are 110% for Locked rotor, 200% for breakdown, and .9(110%) for pullup b. Assuming the motor is a NEMA Design B, find the minimum locked rotor torque, breakdown torque, and pullup torque T rated 450.171lbf ft ⋅ = T rated 150 5252 ⋅ 1750 lbf ⋅ ft ⋅ = T rated Hp 5252 ⋅ n r = a. Find the rated torque for this machine Hp P out = n r 1750 rpm ⋅ = V line 460 volt ⋅ = P out 150 hp ⋅ = Problem 74: Solution...
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 Spring '12
 Piller
 Electric motor, lbf⋅ ft

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