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 ?

4.In which type of welding is a pool of molten metal used.....

3 Answers   ISRO, SSC, Vizag Steel,

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Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.

0 Answers  

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In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

0 Answers   Saint Gobain,

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What is class ab operation?

0 Answers  

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How do we find the rating of a transformer, if it got burnt badly.

0 Answers  

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400Kv,can it be generated?why?

2 Answers  

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What is shutdown of electrical sub station?

0 Answers   UCEP Bangladesh,

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what is scan time of PLC & in which factor scan time is decide

3 Answers   EEEC,

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What is SF6 Circuit Breaker?

2 Answers   Amdocs,

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pls tell me about ups internal connection & we have given only 3 phase supply to ups system how get 4 wire (R Y B N )

0 Answers   Bhel, IBM,

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Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?

0 Answers  

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what is power plant?

2 Answers  

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