You asked: What are the different types of rotor used in induction motor?

What are the types of rotor?

There are mainly four types of rotor.

  • Squirrel-cage rotor.
  • Wound rotor.
  • Salient pole rotor.
  • Cylindrical rotor.

What is rotor and its types?

The rotor is a cylindrical core made of steel lamination with slots to hold the wires for its 3-phase windings which are evenly spaced at 120 electrical degrees apart and connected in a ‘Y’ configuration. … The external resistances become a part of the rotor circuit to produce a large torque when starting the motor.

What are the different types of 3 phase induction motor?

There are three types of 3- phase induction motors namely plain or squirrel cage induction motor, slip-ring or wound rotor induction motor and double cage rotor induction motor.

What is rotor slip?

“Slip” in an AC induction motor is defined as:

As the speed of the rotor drops below the stator speed, or synchronous speed, the rotation rate of the magnetic field in the rotor increases, inducing more current in the rotor’s windings and creating more torque. Slip is required to produce torque.

What is stripping in induction motor?

Coldsweep’s induction stripping equipment removes your toughest coatings from steel structures with no noise or secondary waste—getting right down to the steel. … Coldsweep’s jaw-dropping induction dis-bonding process removes most coating types, including: Coal Tar Epoxy.

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What is the main function of rotor?

Rotors are the moving part in an Alternator that have permanent magnets that move around the Stator’s iron plates to generate an Alternating Current (AC). Rotors require existing motion to function, so only once the engine or turbine is already running will a Rotor work with a Stator to provide a charge.

How is rotor current calculated?

The frequency of the rotor current fr = Ns x P/120, so fr = 0 if the slip is zero. If the operating speed is zero, Ns = N and the frequency of the rotor current is the same as the frequency of the stator current . f = source frequency in Hz.

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