Quick Answer: What are the different types of rotor used in induction motor?

How many types of rotors are there?

The four different rotor types are: Blank & Smooth – Blank and smooth rotors are what you’ll find on most passenger vehicles and feature a smooth, blank metal surface all the way around the rotor. Drilled – Drilled rotors feature drilled holes around the metal surface.

What is rotor and its types?

In the motor or generator, both the parts like rotor and stator play a key role. The main disparity between these two is that the stator is an inactive part of the motor whereas the rotor is the rotary part. … In an induction motor, there are two types of designs available like squirrel-cage & wound.

What are the different types of 3 phase induction motor?


  • Squirrel Cage Induction Motor.
  • Slip Ring Induction Motor or Wound Rotor Induction Motor or Phase Wound Induction Motor.

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.

Is 3 phase induction motor is self starting?

Three-phase induction motor is self-starting, because winding displacement is 120 degrees for each phase and supply also has 120 phase shift for 3-phase. It results in a unidirectional rotating magnetic field is developed in air gap which causes 3-phase induction motor to self-start.

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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.

What is the purpose of a rotor?

There are four brake rotors installed in cars, one for each wheel. The rotors’ primary purpose is to slow down the turning of the car’s wheels by utilizing friction. The brake rotor process occurs when calipers squeeze your car’s brake pads together.