Question

A 4-pole, 3-phase induction motor operates from a supply whose frequency is 50 Hz. Calculate: The speed at which the magnetic field of the stator is rotating. The speed of the rotor when the slip is 0.04. The frequency of the rotor currents when the slip is 0.03. The frequency of the rotor currents at standstill.

Name: a 4 pole 3 phase induction motor operates from a supply whose frequency is 50 hz calculate the speed at which the magnetic field of the stator is rotatingthe speed of the rotor when the slip 47491
Uploaded: 2023-02-06T01:26:05-08:00
Duration: 2 min 37 s
Channel: Narayan Hari
Description: a 4 pole 3 phase induction motor operates from a supply whose frequency is 50 hz calculate the speed at which the magnetic field of the stator is rotatingthe speed of the rotor when the slip 47491

          A 4-pole, 3-phase induction motor operates from a supply whose frequency is 50 Hz. Calculate:
The speed at which the magnetic field of the stator is rotating.
The speed of the rotor when the slip is 0.04.
The frequency of the rotor currents when the slip is 0.03.
The frequency of the rotor currents at standstill.

Added by Nicole V.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Narayan Hari

02/06/2023

Step 1

Step 1: Calculate the synchronous (magnetic field) speed using the formula: n_sync = (120 × f) / Number of Poles Here, f = 50 Hz and Number of Poles = 4 Thus, n_sync = (120 × 50) / 4 = 6000 / 4 = 1500 rpm Show more…

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A 4-pole, 3-phase induction motor operates from a supply whose frequency is 50 Hz. Calculate: The speed at which the magnetic field of the stator is rotating. The speed of the rotor when the slip is 0.04. The frequency of the rotor currents when the slip is 0.03. The frequency of the rotor currents at standstill.