1- In a 3-phase induction motor running at slip 's' the mschaniçal power developed in terms of air gap power is. (-P A balanced three-phase, 50 Hz voltage is applied to & 3 phase, 4 pole, induction motor When the motor is delivering rated output, the slip is found to be 0.05. The speed of the rotor mm relative to the rotor structure is........ ns+nr Pom 3-Slip of the induction machine is 0.02 and the stator supply frequency is 50 Hz. What will be the frequency of the rotor induced emf? A. fr. 4- The rotor frequency for a 3 phase 1000 rpm 6 pole induction motor with a slip of 0.0 ist..... 5- Tan ns The synchronous speed for a 3 phase 6-po e induction motor is 1200 rpm. If the number poles is now reduced to 4 with the frequency remaining constant, the rotor speed with a slip

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In a 3-phase induction motor running at slip 's' the mschanical power developed in terms
of air gap power is. (1-/P
1-
A balanced three-phase, 50 Hz voltage is applied to a3 phase, 4 pole, induction motor.
When the motor is delivering rated output, the slip is found to be 0.05. The speed of the rotor mmf
relative to the rotor structure is........ ns+nr
8- Slip of the induction machine is 0.02 and the stator supply frequency is 50 Hz.
What will be the frequency of the rotor induced emf?
A.
Pem
fr
4- The rotor frequency for a 3 phase 1000 rpm 6 pole induction motor with a slip of 0.04
Tan
ISt....
Tan
The synchronous speed for a 3 phase 6-po.e induction motor is 1200 rpm. If the number of
poles is now reduced to 4 with the frequeney remaining constant, the rotor speed with a slip of
5% will be .+1lo=nr
5-
60HZ and short circuit
Transcribed Image Text:In a 3-phase induction motor running at slip 's' the mschanical power developed in terms of air gap power is. (1-/P 1- A balanced three-phase, 50 Hz voltage is applied to a3 phase, 4 pole, induction motor. When the motor is delivering rated output, the slip is found to be 0.05. The speed of the rotor mmf relative to the rotor structure is........ ns+nr 8- Slip of the induction machine is 0.02 and the stator supply frequency is 50 Hz. What will be the frequency of the rotor induced emf? A. Pem fr 4- The rotor frequency for a 3 phase 1000 rpm 6 pole induction motor with a slip of 0.04 Tan ISt.... Tan The synchronous speed for a 3 phase 6-po.e induction motor is 1200 rpm. If the number of poles is now reduced to 4 with the frequeney remaining constant, the rotor speed with a slip of 5% will be .+1lo=nr 5- 60HZ and short circuit
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