Induction motors are the most common type of three phase (3~) electric motor employed today. They are relatively cheap, easy to maintain, very robust and come in a range of sizes. These types of motors are employed throughout the world in many industries.
Induction motors are often referred to as squirrel cage motors due to the design of the motor rotor. The name ‘induction’ refers to the fact that an electrical current is induced in the rotor cage when the motor is in operation; this differs to other motors where the rotor current is supplied externally.
This 3D model shows all major components associated with a typical electrical induction motor, these include:
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