Question

A single-phase, 230 V, 50 Hz, 8 pole, Induction Motor has the following equivalent circuit parameters:...

A single-phase, 230 V, 50 Hz, 8 pole, Induction Motor has the following equivalent circuit parameters:

Z1 = 1.7 + j 2.7 Ω

ZF   = 12 + j 20 Ω

ZB = 1.2 + j 2.4 Ω

If the core loss is 84 W, while the friction and windage loss is 100 W at 5% slip. Determine:

  1. The line current drawn by the machine.                                                                                                           (4)
  2. The power factor.                                                                                                                                                 (1)
  3. The input power.                                                                                                                                                  (2)
  4. The air-gap power.                                                                                                                                              (3)
  5. The converted power.                                                                                                                                         (2)
  6. The induced torque.                                                                                                                                            (1)
  7. The output power.                                                                                                                                                (3)
  8. The load torque.                                                                                                                                                   (2)
  9. The efficiency.                                                                                                                                                      (2)
0 0
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Answer #1

al 1 236 7.8+/-51.3 = ご 0.51 la 230χ 7-8 x cos 59.3 auuux 孑(fuul conuwtd pour Mm 2.xznx6oz 92. 2y s 72.24(1-0.05) 89.53 ycls

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