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

Write masons gain formula.

0 Answers  

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how many percent setting of motor over load relay of its full load current

6 Answers  

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What is the distance between each insulator in 33kv transformer and how can it calculate

0 Answers  

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Can anybody tell me the Electrical IS rules website?

1 Answers  

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Which loss in DC machine is maximum?

1 Answers   IFFCO,

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If a motor of 8.5 KW with same load and using in both Star & Delta one by one,then which will take more current in star connected or in delta connected

4 Answers  

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why all the feeders are designed in a particular manner ... is there any reason for that???

0 Answers  

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why capacitor bank always connected in delta,why not in star to a system?

15 Answers   NHPC, NTPC,

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In underground cables,we have a grading method called 'capacitance grading'.Why is it called 'capacitance grading' although we do not use any capacitor in it?

1 Answers  

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difference b/w semiconductor and dielectric

2 Answers  

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Could the power factor on electrical system can affect the registration of the kwhr meter or the CT/PT? 

0 Answers  

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Can a 150 kva 3 phase,440v/230v delta-wye connection stepdown transformer can be used in reverse as a step up tranformer ?

3 Answers   Meralco,

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