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7 A 440 V 50 Hz six pole star connected induction motor is rated at 75 kW. The equivalent circuit parameters are: R₁ = 0
Posted: Tue Jul 12, 2022 8:30 am
by answerhappygod
- 7 A 440 V 50 Hz Six Pole Star Connected Induction Motor Is Rated At 75 Kw The Equivalent Circuit Parameters Are R 0 1 (80.76 KiB) Viewed 36 times
7 A 440 V 50 Hz six pole star connected induction motor is rated at 75 kW. The equivalent circuit parameters are: R₁ = 0.082 0 R₂ = 0.07 0 XM = 7.20 X₁ = 0.19 0 X₂ = 0.18 Ω Slip=0.04 a) The equivalent total impedance referred to stator side. (5 Marks) b) Find the line current and stator power factor. (4 Marks) c) Brief explain under what conditions an induction motor can run as a generator, and give one example where an induction generator has been used in power station. (2 Marks) (Total: 11 Marks)