I will be helpful if someone solve this problem,
A 4 pole, 1440 rpm, 3 phase induction motor is operated from a per phase voltage of 240 V, 50 Hz and driving a constant toque load. Calculate the following at f=25 Hz, airgap flux = constant = 4.8.
i. Supply voltage per phase
ii. Slip
iii. Slip frequency
iv. Percentage rotor loss
I have calculated synchronous speed Ns=120f1/p =1500
slip s = Ns-N / Ns = 0.04 & slip freq fr = s f1 = 2
Please answer i. & iv. & also verify my results.
A 4 pole, 1440 rpm, 3 phase induction motor is operated from a per phase voltage of 240 V, 50 Hz and driving a constant toque load. Calculate the following at f=25 Hz, airgap flux = constant = 4.8.
i. Supply voltage per phase
ii. Slip
iii. Slip frequency
iv. Percentage rotor loss
I have calculated synchronous speed Ns=120f1/p =1500
slip s = Ns-N / Ns = 0.04 & slip freq fr = s f1 = 2
Please answer i. & iv. & also verify my results.