Transformers: Learn About Transformers Here > A transformer is an electrical device which, by the principles of electromagnetic induction, transfers electrical energy from one
electric circuit to another, without changing the frequency. The energy transfer usually takes place with a change of voltage and
current. Transformers either increases or decreases AC voltage.
Transformers are used to meet a wide variety of needs. Some transformers can be several stories high, like the type found at a
generating station or small enough to hold in your hand, which might be used with the charging cradle for a video camera. No matter
what the shape or size, a transformers purpose remains the same: transforming electrical power from one type to another.
There are many different types of transformers in use today. This resource will take a closer look at Power Transformers, Auto
Transformers, Distribution Transformers, Instrument Transformers, Isolation Transformers, Potential Transformers and Current