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Unformatted text preview: PU 0.99 T rated = T BD 2.00 T rated = T LR 1.10 T rated = From tables 7-5, 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 pull-up 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 7-4: Solution...
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This note was uploaded on 03/26/2012 for the course ECET 231 taught by Professor Piller during the Spring '12 term at Purdue University-West Lafayette.
- Spring '12