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What are the two main components of a three-phase asynchronous motor?

1 Answers

VonPatrick

07/29/25 12:11pm

Three-phase asynchronous motors consist of a rotor part and a stator part. The stator part includes the frame, stator core, stator winding, end shields at both ends, terminal box, fan cover. The rotor part consists of the shaft, rotor core and squirrel cage, bearings, fan blades, etc. Here are the relevant introductions: 1. Working principle: The rotor speed of a three-phase asynchronous motor is lower than the speed of the rotating magnetic field. The relative motion between the rotor winding and the magnetic field induces electromotive force and current, which interacts with the magnetic field to generate electromagnetic torque, achieving energy conversion. 2. Classification: According to different rotor structures, three-phase asynchronous motors can be divided into squirrel-cage type and wound-rotor type. Squirrel-cage rotor asynchronous motors have simple structure, reliable operation, light weight and low cost, making them widely used. Their main disadvantage is difficulty in speed regulation.

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