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Question A 208 V 10 Hp four pole 60 Hz Y connected induction motor has a...

Question

A 208 V 10 Hp four pole 60 Hz Y connected induction motor has a full load slip of 5%.

a)-What is the synchronous speed of this motor?

b)-What is the shaft speed of this motor at full load?

c)-What is the frequency of rotor current at full load?

d)-What is the shaft torque of this motor at full load?

e)-If the efficiency of this motor is 90% at full load what is the input power

f)-If the efficiency of the motor is 90% and the power factor is 0.87 at full load, calculate the line current at full load.

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