transformer

transformer

An electrical component used to change the voltage and current in an alternating current circuit. The core of a transformer is made of a stack of soft iron laminations, and the windings, which consist of several coils of insulated wire, are wound around the core. The winding connected to the power source is called the primary winding, and the windings connected to the electrical loads are called secondary windings.

The voltage difference between that across the primary winding and that across any one of the secondary windings is directly proportional to the ratio of the number of turns in the secondary winding to the number of turns in the primary winding. The higher the ratio, the higher the secondary voltage.

The current difference between that in the primary winding and that in the secondary winding is inversely proportional to the ratio of the number of turns in the secondary winding to the number of turns in the primary winding. The higher the ratio, the lower the secondary current.

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Industry/Domain: Aviation
Category: Aeronautics
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