Why the underground cables will Punchar? or what is the reason to burst the underground cables?

1 Answers  

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How we calculate the current carriying capacity of the different sizes of Aluminium busbar ?

3 Answers   ABB, Raj Process Equipments, Visa Steel,

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what is meant by ceiling voltage, ceiling current?? pl reply asap

4 Answers  

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What is power factor ?What are the benefits of improved power factor & how. Please explain with examples.?

5 Answers   ABB,

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how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

0 Answers  

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what is daiod

4 Answers  

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what is power factor? how can we correction the power factor if this is high or low? If anyone know please please send the answer on my email id ( kumarkirshan@in.com )

5 Answers  

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WHEN WE TOUCH THE BOTH TERMINALS OF BATTERY WHY NOT THE D.C BATTERY GIVE US SHOCK SUCH AS A.C SUPPLY?

3 Answers  

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Sir,In our company there are 3 caterpillar make(capacity:(1) 3.3KV,2.5MW(2)3.3KV,2.5MW & (3)3.3KV,1.9MW) & 1 deutz make (capacity:11KV,3.8MW)gas engines utilised,all are running in paralell. There are three transformer utilised,(1) 6.25MVA,3.3KV/22KV,Impedence voltage:6.7% used for two generator,both are 2.5MW(2)5.5MVA,3.3KV/22KV,Impedence voltage:7.2% used for one generator of 2.5MW & (3) 5.5MVA,11KV/22KV,Impedence voltage:7.8% used for one generator of 2.5MW.all generator breakers capacity of 1250Amps. Sir,I want the details of fault level calculation of generator,transformer individually & for whole system. If you require any information from me.feel free for contact me sir.pl.send the answer of my question as the earliest as possible.

0 Answers   Piramal Healthcare,

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When we are working on transformer(132\11KV). we are going to isolate the transformer from both HV side and LV side. then we are applying grounding on both side. My question is that we required to isolate the VT which is still connected from secondary side.?

1 Answers  

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how to know the diffrential relay setting of 06mva step- down (delta-star)transformer?

0 Answers   IPCL,

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Induction generator has = A negative speed B negative slip C negative voltage D negative current

2 Answers  

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