Explain transformer construction with suitable diagram. What are important reasons for transformer failure, explain?

Transformer Construction:

Transformers are devices that transfer electrical energy from one circuit to another through electromagnetic induction. It consists of two or more coils of insulated wire wound around a laminated magnetic core. The two coils are electrically isolated but magnetically linked to each other.

The transformer construction consists of two main parts: the magnetic core and the windings.

1. Magnetic Core: The magnetic core is made up of high permeability materials like laminated silicon steel to minimize energy loss due to hysteresis and eddy current losses. The laminations are insulated from each other to prevent the flow of eddy currents.

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