Answer / sameer

transformer is device protected by buchholzz relay from fault (short ckt) in the winding of transformer. capacity above 500 Kva this relay is used.

Answer / e.subhash

pressure relief valve

At light load transformer efficiency is less because A secondary output is low B transformer losses are high C fixed loss is high compared to output D copper loss is small

1 Answers  

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for 8 mva 33/11 kv transformer what will be the setting of differential relay on which it trip & what is the HF setting in this relay

2 Answers  

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what is the surge arrestor?how it operates?what is the range for it?

4 Answers  

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Why generating voltage is limited up to 22kV?

4 Answers  

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why power is generatd at 50 hz only..? can we do this on another freq...?

7 Answers  

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How electrical power(MW)is varied OF an A.C Generator in response to varying steam input to a steam turbine ?

1 Answers   Hindalco,

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Our Company's Contract Demand is 110 kVA. We use 12 Capacitors each of 12.5 kVAr Capacity to maintain Power Factor of 0.99. So, what steps should we take so that our Contract demand does not exceed 110 kVA?

1 Answers   Jindal,

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Why the transmision line are 11,33,63,132kv?

10 Answers   Power Grid,

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Arrangement of earthing materials.like what we put first charcol,then salt.then plate. Plz answer me about that.

1 Answers  

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what is the function AND aplication of CBCT?

2 Answers  

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Whats the diference between Induction motor and servo motor

3 Answers   Essar, PMT Machines,

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In more then 1 phase bulb will glow are not?if yes then how it will glow?

2 Answers  

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