Answer / ali

Hi ,

My 50/60MVA ONAN/ONAF power transformers tripped at 47MW power , but no windding temp alarm or trip , no any other indication, just PRV trip, what is the reason ?

what rectifiers is and what are the types of rectifiers?

0 Answers  

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can we use metering current transformer as protection current transformer if not why? & if yes why?

5 Answers   Wartsila,

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in a refinery one motor is suddenly stoped. what will do how can i findout the problem explain step by step

2 Answers  

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what is reactive power ? what its role in transmission lines?

3 Answers   Thermax,

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Can I use cable armour as a earth conductor? if not how many GI/CU wires I need to run along with cable?

1 Answers  

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How can decide the MVA rating of power transformer for substation like 220/132, 132/66, 66/33kv etc or even higher kv rating of substation???? Send me the strictly technical answer that shows your strong technical aptitude.

6 Answers  

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What is the d/f b/w MCCB & MCB

6 Answers   ABC, LMN,

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How much minimum insulation required between 11kv/3.3kv transformer windings?

0 Answers   Descon,

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Can the Neutral and Body Earthpits of a transformer conncted together by Earth strips under ground.

4 Answers   SanDisk,

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What is maximum load capacity of 800 VA inverter?

5 Answers  

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Is there any calculation to find unknwon(unferroled) phases R Y B in alternator,3 phase motor anybody shoot my problem. how can we notice this is the respective phase?

3 Answers  

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What is the difference between earthed and unearthed power cable.

1 Answers  

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