# Transformer

• Transformer

## What is an Isolation Transformer? – Its Construction, Working and Applications

Isolation Transformer – Construction, Working and Applications What is an Isolation Transformer? Transformers are electrical machines that are used to transfer one form of AC electrical energy to another form…

• Transformer

## Difference Between Ideal and Real or Practical Transformer

What is the Difference Between Ideal Transformer & Practical or Real Transformer? An ideal transformer is a theoretical model of a practical transformer without losses. In short: Transformer + 0%…

• Transformer

## Difference Between Single Phase and Three Phase Transformer

What is the Difference Between 1-Phase Transformer & 3-Phase Transformer? We all know that a transformer in an electrical machine, which is used to step-up or step-down the level of…

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## Cooling Methods of a Transformer

Types of Cooling Methods of Electrical Transformers A transformer is a static electromagnetic device that is used to convert electrical energy from one voltage level to another voltage level. During…

• Transformer

## Scott-T Connection of Transformer

What is Scott Connection or Scott-T Transformer? Scot Connection Scott connection is a type of connection of transformer that used to get two-phase power supply from three-phase source or vice-versa.…

• Transformer

## Sumpner’s Test or Back-to-Back Test on a Transformer

Sumpner’s Test or Back-To-Back Test on Transformer for Efficiency, Voltage Regulation, & Heating Effect The open-circuit test and short circuit test are performed to determine the equivalent circuit parameter. With…

• Transformer

## Short Circuit Test and Open Circuit Test of Transformer

Open Circuit (No Load) and Short Circuit (On-Load) Test of a Transformer As we have seen in the equivalent circuit of transformer, there are four main parameters; Equivalent resistance (R01)…

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## Equivalent Circuit of Electrical Transformer

What is the Equivalent Circuit of Transformer? An equivalent circuit of a transformer is a graphical representation of a transformer circuit in which the resistance and leakage reactance are imagined…

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## Parallel Operation of Single-Phase & Three-Phase Transformers

Needs & Conditions for Parallel Connection of Transformers In a power system network, transformers are used to step up and step-down voltage levels. The rating of a transformer is selected…

• Transformer

## Difference Between Current Transformer & Potential Transformer

What is the Difference between Current Transformer and Potential or Voltage Transformer? The voltage and current used for electrical power transmission over long distances is very high. Measurement of such…