Why Induction Motor On Synchronous Speed

Now the question is arise why slip is never zero in an induction motor. Three phase electrical motors full load amps wire and conduit sizes for.

Chapter 6 Polyphase Induction Machines Electrical

Plant Engineering What S In A Nameplate

Induction Motor Vs Synchronous What S The Difference

Slip rings and brushes are required in synchronous motors but not in induction motors except wound type induction motor in which slip ring motors are used to add external resistance to the rotor winding.

Why induction motor on synchronous speed. Speed of electrical motors with operating loads speed of an operating electrical motor with load is lower than the synchronous speed no load of the motor. Slip in electrical induction motors slip is the differentiation between synchronous and asynchronous speed. The induction motor cannot run at synchronous speed because the slip is never zero in an induction motor.

An induction motor cannot run at synchronous speed because it is the slippage of the rotor relative to the rotaing magnetic field that generates the current in the windings contained within the rotor. Induction motor always tries to run at synchronous speed but in trying to achieve synchronous speed it loses the property by which it actually runs ie relative speed between stator field and rotor becomes zero and which makes the motor to stop as the motor tries to stop ie slows down again relative. The slip is defined as 1 nns where ns is the.

Synchronous motors require additional starting mechanism to initially rotate the rotor near to the synchronous speed. So in this article we will discuss the total concept of what is synchronous speed what is slip in induction motor etc. An induction motor has to run at less than synchronous speed to allow currents to be induced in the rotor without which there is no torque.

This induced hence the term induction current sets up the opposing magnetic fields that cause the rotor to rotate.