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Presumably, you are asking "What is the function of transformer laminations?", rather than their "uses".

A transformer's magnetic circuit, or core, is made from thin sheets of silicon steel, each insulated from each other, and termed laminations.

The alternating current flowing through a transformer's primary winding not only induces a voltage into the secondary windings, but into the core itself, resulting in circulating currents, called eddy currents, which result in energy losses. The very low cross-sectional area of each lamination acts to offer a high resistance to the flow of these eddy currents, thus minimising these currents, and the associated eddy-current losses.

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13y ago
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11y ago

Transformer cores are laminated to reduce the eddy currents (circulating currents) that result from voltages induced into the core, thereby reducing core losses.

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Q: What are uses of transformer's lamination?
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