Answer: A certain six-pole 440-V-rms 60-Hz threephase
Chapter 17, Problem P17.28(choose chapter or problem)
A certain six-pole 440-V-rms 60-Hz threephase delta-connected induction motor has Rs = 0.08 R r = 0.06 Xs = 0.20 X r = 0.15 Xm = 7.5 Under load, the machine operates with a slip of 4 percent and has rotational losses of 2 kW. Determine the power factor, output power, copper losses, output torque, and efficiency. P1
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