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A 4-pole, 50 Hz single-phase induction motor has a slip of 5%. The speed of the motor will be ………….
- a)1500 r.p.m.
- b)1425 r.p.m.
- c)1200 r.p.m.
- d)none of the above
Correct answer is option 'B'. Can you explain this answer?
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A 4-pole, 50 Hz single-phase induction motor has a slip of 5%. The spe...
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A 4-pole, 50 Hz single-phase induction motor has a slip of 5%. The spe...
Approximately 1425 RPM.
The synchronous speed of a 4-pole, 50 Hz motor is given by:
Ns = (120 * f) / p
where Ns is the synchronous speed in RPM, f is the frequency in Hz, and p is the number of poles.
Substituting the given values, we get:
Ns = (120 * 50) / 4 = 1500 RPM
The actual speed of the motor is given by:
N = (1 - s) * Ns
where N is the actual speed in RPM and s is the slip (expressed as a fraction).
Substituting the given values, we get:
N = (1 - 0.05) * 1500 = 1425 RPM
Therefore, the speed of the motor will be approximately 1425 RPM.
The synchronous speed of a 4-pole, 50 Hz motor is given by:
Ns = (120 * f) / p
where Ns is the synchronous speed in RPM, f is the frequency in Hz, and p is the number of poles.
Substituting the given values, we get:
Ns = (120 * 50) / 4 = 1500 RPM
The actual speed of the motor is given by:
N = (1 - s) * Ns
where N is the actual speed in RPM and s is the slip (expressed as a fraction).
Substituting the given values, we get:
N = (1 - 0.05) * 1500 = 1425 RPM
Therefore, the speed of the motor will be approximately 1425 RPM.
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A 4-pole, 50 Hz single-phase induction motor has a slip of 5%. The spe...
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A 4-pole, 50 Hz single-phase induction motor has a slip of 5%. The speed of the motor will be ………….a)1500 r.p.m.b)1425 r.p.m.c)1200 r.p.m.d)none of the aboveCorrect answer is option 'B'. Can you explain this answer?
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