It is false that an AC motor works by inducing current in the rotor with the help of the magnetic field created in the stator.
Thin electrical grade steel punched laminations, often known as "punchings," are used to construct the stator core. They are segmented, which means that one layer is made up of a 360° ring made up of 12 to 24 punchings arranged side by side. To ensure a strong body of combined punchings, each layer is "staggered" with respect to the positions of the gaps between punchings in the layers below and above.
Over 200,000 punchings might be found inside the stator core of a big turbine generator. To function as a solid mechanical body, these punchings are axially clamped. The axial clamping force is produced using one of two fundamental techniques. In one, "through bolts" are inserted through core yoke holes.
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