Transformer Construction

The three main parts of a transformer:

Primary Winding of Transformer
Magnetic Core of Transformer
Secondary Winding of Transformer

Primary Winding of Transformer

Which produces magnetic flux when it is connected to an electrical source.

Magnetic Core of Transformer

The magnetic flux produced by the primary winding, that will pass through this low reluctance path linked with secondary winding and create a closed magnetic circuit.

Secondary Winding of Transformer

The flux, produced by primary winding, passes through the core, will link with the secondary winding. This winding also wounds on the same core and gives the desired output of the transformer.

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Emf Equation of Transformer,Turns Ratio of Transformer

EMF Equation of Transformer Turns Voltage Transformation Ratio of Transformer Emf Equation of Transformer EMF Equation of transformer can be established in a very easy way. Actually in electrical power transformer , one alternating electrical source is applied to the primary winding and due to this, magnetizing current flowing through the primary winding which produces alternating flux in the core of transformer . This flux links with both primary and secondary windings. As this flux is alternating in nature, there must be a rate of change of flux. According to Faraday’s law of electromagnetic induction if any coil or conductor links with any changing flux, there must be an induced emf in it. As the current source to primary is sinusoidal, the flux induced by it will be also sinusoidal. Hence, the function of flux may be considered as a sine function. Mathematically, the derivative of that function will give a function for the rate of change of flux linkage with respect to t...

Transformer working principle and Definition

What is a Transformer? A transformer is defined as a passive electrical device that transfers electrical energy from one circuit to another through the process of electromagnetic induction . It is most commonly used to increase (‘step up’) or decrease (‘step down’) voltage levels between circuits. Working Principle of Transformer The working principle of a transformer is very simple. Mutual induction between two or more windings (also known as coils) allows for electrical energy to be transferred between circuits. This principle is explained in further detail below. Transformer Theory Say you have one winding (also known as a coil) which is supplied by an alternating electrical source. The alternating current through the winding produces a continually changing and alternating flux that surrounds the winding. If another winding is brought close to this winding, some portion of this alternating flux will link with the second winding. As this flu...

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