I have worked out what I think is the solution to a 3 phase induction motor problem but the stator core loss value obtained seems too high to be right. Please help. Question 3 is the one I need help with, the other questions have been given for background purposes. My attempts are attached.
A 3 phase 6 pole induction motor has a star connected stator with impedance (0.5+j2.5) while the rotor standstill impedance is (0.1 + j 0.6). The shunt impedance is 12+j61. If the supply voltage is 630V and the effective turns ratio is 2:1, calculate the ff at 965 rpm
1. Rotor impedance referred to the stator
2. Stator current and pf
3. Stator copper and iron loss
A 3 phase 6 pole induction motor has a star connected stator with impedance (0.5+j2.5) while the rotor standstill impedance is (0.1 + j 0.6). The shunt impedance is 12+j61. If the supply voltage is 630V and the effective turns ratio is 2:1, calculate the ff at 965 rpm
1. Rotor impedance referred to the stator
2. Stator current and pf
3. Stator copper and iron loss
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