Transformer

What is an Isolation Transformer ? - its Function & Uses

A transformer is a static device, that transfers electrical energy from one circuit to another without any physical connection. It works on the principle of magnetic induction, which induces emf in another circuit by means…

Construction of Single Phase Transformer - Core & Shell Type

A transformer is a stationary ac machine used to raise or reduce the voltage levels. There are different types of transformers based on application. A transformer can be single-phase or three-phase. In this article let us s…

Three-Phase Transformer - Construction & Working Principle

Normally generation of power is usually at 3-phase from 11kV to 33kV. Transmission of generated power to the load centers is accomplished at higher voltages of 132kV to 400kV ( or 700kV ). For transmitting ( sending end ) t…

Transformer on No load - Phasor Diagram & Operation

In the no-load test of a transformer, the secondary winding of the transformer is kept open without connecting any load. The primary of the transformer is connected to the ac supply and evaluating the behavior of the transf…

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