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Transformer Open and Short Circuit Tests

S Bharadwaj Reddy
We conduct open circuit and short circuit test on single phase transformer to determine the  efficiency and regulation of a transformer on any load condition and at any power factor.Open...

Transformers Questions & Answers Part-4

S Bharadwaj Reddy
Where Star (wye) Delta transformer is used in Power system Star-Delta Transformer (Y-Δ ) Primary Y (High Voltage side) and Secondary ( Low Voltage side) Δ is generally used at...

Types of Transformers

S Bharadwaj Reddy
Types of transformers The transformers are classified based on voltage levels, Core medium used, winding arrangements, use and installation place etc. Transformers based on voltage levels The transformers are classified...

Types of Transfomer Cooling Methods

S Bharadwaj Reddy
The developed heat because of core and copper losses should be dissipated to atmosphere continuously during operation.If the heat arises by the losses is not removed then  The developed heat...

Advantages and Applications of zigzag transformer

S Bharadwaj Reddy
Zig Zag transformer ZIg Zag transformer is a special purpose transformer used in power system, which is also called as “interconnected start winding”. Even though this type of transformer connection...

Interview Questions on Transformers

S Bharadwaj Reddy
What is a transformer? Transformer is a static electrical device which transfers power from one circuit to another circuit without any physical contact. The main aim of this transformer is...

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