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Define Transformer And Its Types Pdf

define transformer and its types pdf

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Published: 29.11.2020

Recieve free updates Via Email! Home Electrical machines Power system Ask a question Contact electricaleasy. Share: Facebook Twitter Linkedin. Electrical transformer is a static electrical machine which transforms electrical power from one circuit to another circuit, without changing the frequency.

A Complete Guide to Transformers

A transformer is a widely used device in the electrical and electronics domain. It is an electromagnetic device which follows the basic principle of electromagnetism discovered by Michael Faraday. We have covered about Transformers construction and operation in detail in previous tutorial. Here we will cover different types of transformers used in different types of applications. However, all types of transformers follow the same principles but they have different construction method. And with little bit of effort you can also build your own transformer , but while building the transformer one should always follow transformer protection techniques.

Transformer types

There are various types of transformer used in the electrical power system for different purposes, like generation, distribution and transmission and utilization of electrical power. The different types of transformer are Step up and Step down Transformer, Power Transformer, Distribution Transformer, Instrument transformer comprising current and Potential Transformer, Single phase and Three phase transformer, Auto transformer, etc. This type of transformer is categorized on the basis of a number of turns in the primary and secondary windings and the induced emf. Step-up transformer transforms a low voltage, high current AC into a high voltage, low current AC system In this type of transformer the number of turns in the secondary winding is greater than the number of turns in the primary winding. Step down transformer converts a high primary voltage associated with the low current into a low voltage, high current. With this type of transformer, the number of turns in the primary winding is greater than the number of turns in the secondary winding.

define transformer and its types pdf › publication › _TRANSFORMER_Work.

Types of Transformer

A transformer is a passive electrical device that transfers electrical energy from one electrical circuit to another, or multiple circuits. A varying current in any one coil of the transformer produces a varying magnetic flux in the transformer's core, which induces a varying electromotive force across any other coils wound around the same core. Electrical energy can be transferred between separate coils without a metallic conductive connection between the two circuits. Faraday's law of induction , discovered in , describes the induced voltage effect in any coil due to a changing magnetic flux encircled by the coil. Transformers are most commonly used for increasing low AC voltages at high current a step-up transformer or decreasing high AC voltages at low current a step-down transformer in electric power applications, and for coupling the stages of signal-processing circuits.

Most of the electronic circuits used in Circuitstoday. Therefore, it is important to know the working principle, construction and types of transformers used in different analog circuits. A transformer can be defined as a static device which helps in the transformation of electric power in one circuit to electric power of the same frequency in another circuit. The voltage can be raised or lowered in a circuit, but with a proportional increase or decrease in the current ratings.

A Transformer is an electrical device that can be used to transfer the power from one circuit and another circuit without physical contact and without changing its characteristics like frequency, phase. It is an essential device in every electrical network circuitry. It consists of majorly two circuits, namely primary circuits and one or more secondary circuits.

Transformer types

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    05.12.2020 at 00:20

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