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

Please explain, how to test vector group of tranformer(Delta y1) . Thank

0 Answers   PGCB,

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description about dry type transformers

0 Answers  

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why we are using the ac supply in domestic purpose, why don't use dc supply.

5 Answers  

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LT, CC and LMU installed at both the outgoing circuits of 132 kv double ckt transmissio what its means ? and what are there use ?

1 Answers  

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Why Batteries are rated as AH i.e AmpereHour,and its formula to converting AmpHour to Amp

4 Answers   Suzlon,

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What is difference b/w Microwave and OPGW ??

1 Answers  

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Where is 2 phase supply used commercially?

3 Answers   NTPC,

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what is the cable capacity of any load wise .

2 Answers  

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Negative feedback circuit is an implication of ? -Shunt shunt -Shunt series -series series

1 Answers  

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what is voltage rise and voltage drop?

8 Answers   HP, jetking, TCS,

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What is open loop and control loop systems?

0 Answers  

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Simultaneous trip of incoming and outgoing breakers of 400kv/220kv trnasformer. What are the probable causes?

2 Answers  

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