Answer / apoorv

no u r wrong , oil cools by d process of convection and external radiators. oil extracts the heat so heated oil is vapour which rises above and heat is blowed out

Answer / kalaiarasan

by ejecting the heat from transformer

Answer / arun

actully when xmer works there r two losses iron and copper loss due to these losses core and windings r heated and most of the wdg and core are immersed in the xmer so the oil will heatd this heated oil goes up and the cold one goes down this heated oil gives its heat to the walls of the xmer and from the wall it is given to the surrouding atmosphere like this continuous cooling is done by the oil

how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it

0 Answers  

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I have 3 1000 kva single phase transformers and I wish to replace them with one three phase transformer. What is he kva rating of the new three phase, is it 1000 kva also or 3000 kva.

5 Answers   Central Moloney,

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How time response of the system is divided?

0 Answers  

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How do you calculate of power factor, if it is lagging or leading for unit(1).

4 Answers  

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how to reduce the power consumption in office ?

6 Answers  

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Why have the transformer one earthing to their neutral? Why have the transformer many earthing to their body?

1 Answers  

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WHAT HAPPEN WHEN CT SECONDARY OPEN DURING LOAD

16 Answers   Neco,

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If there is volagte between earth and neutral, what should be the reason ? and solution * What should be allowable limit in case, if the voltage between earth and neutral exist ? / OR what is limit for safe voltage between earth and neutral?

3 Answers  

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Purpose of lighting transformer.

2 Answers  

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what is meant by armature reaction?

13 Answers  

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hi friends can u tell me name of the sites where i can get animation of electrical machines......

1 Answers  

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Describe Non I.S. Earth System and why is it used?

0 Answers   KPJV,

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