Which component is the stationary winding that provides the rotating magnetic field in a squirrel cage motor?

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Prepare for the Michelin ECT Exam. Study with comprehensive flashcards and multiple choice questions, each with detailed hints and explanations. Get ready to excel in your exam!

Multiple Choice

Which component is the stationary winding that provides the rotating magnetic field in a squirrel cage motor?

Explanation:
In a squirrel cage induction motor, the rotating magnetic field is created by windings that stay fixed in the outer frame—the stator. When three-phase AC is applied, the stator windings produce currents that form a magnetic field sweeping around the stator, effectively rotating. This rotating field induces currents in the rotor conductors and generates the torque that makes the rotor turn. The rotor itself is the rotating part with the squirrel cage bars, end bells are just housings, and the shaft transmits the mechanical output. So the stationary winding that provides the rotating magnetic field is the stator.

In a squirrel cage induction motor, the rotating magnetic field is created by windings that stay fixed in the outer frame—the stator. When three-phase AC is applied, the stator windings produce currents that form a magnetic field sweeping around the stator, effectively rotating. This rotating field induces currents in the rotor conductors and generates the torque that makes the rotor turn. The rotor itself is the rotating part with the squirrel cage bars, end bells are just housings, and the shaft transmits the mechanical output. So the stationary winding that provides the rotating magnetic field is the stator.

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