Téléchargement 96+ Drawing Of Rotating Magnetic Field In 3 Phase Induction Motor

The induction motor rotates due to the rotating magnetic field in 3 phase induction motor which is produced by the stator winding in the air gap between in the stator and the rotor the stator has a three phase stationary winding which can be either star connected or delta connected. The stator of an induction motor consists of a number of overlapping windings offset by an electrical angle of 120.

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télécharger Drawing of rotating magnetic field in 3 phase induction motor choix gratuit

Whenever the ac supply is connected to the stator windings line currents i r i y and i b start flowing. This video provides basic construction and working principle of three phase induction motor. Thus it is necessary only to change the phase sequence in order to change the direction of rotation of the magnetic field. The operating principle of a 3 phase induction motor is based on the production of r m f.

When the primary winding or stator is connected to a 3 phase a c. Lectures by walter lewin. We saw in chapter 5 that when the induction motor is running at its normal speed the rotating magnetic field that produces the currents and torque on the rotor also induced balanced 3 phase induced e m f s in the stator windings the magnitude of the e m f s being not a great deal less than the voltage of the utility supply. Production of rotating magnetic field slip and rotor frequency is also discussed.

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