Answer / j.kesavan

we are always using sy star connected transformers,when
take un balace load at this nutrol get current flow.

800a siemens vcb in our company can not be closed electrcally an mechanicaly cc and oc coils are found ok. why?

2 Answers  

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How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?

0 Answers   BARC,

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If we say that an cable of size 3.5X 50 mm sq. can take current upto 140 amps,is it the current of single core of the cable or of all the cores jointly.

3 Answers  

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In explosive and polluted environments which type of motors do we use?

3 Answers   NTPC,

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WHAT ARE THE DFT AND RMS MEASURMENTS PRINCIPLE IN NUMERICAL TECHNOLOGY OF POWER SYSTEM ?? WHICH IS BETTER IN WHICH QUANTITY MEASURNMENT??

1 Answers  

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what is load which is indicated in power plant generation panel? in any power plant

1 Answers  

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what are the various types of earthing? plz give brief detail of all. also post pictures if u have.

22 Answers   Aster Teleservices, Era Infra Engineering, Micron Electricals,

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WHAT IS THE DIFFERENCE BETWEEN NEUTRAL AND EARTHING

1 Answers   Adani, Adani Power, Raychem RPG,

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we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

0 Answers   TNEB Tamil Nadu Electricity Board,

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what is the difference between RMS meter and normal meter

3 Answers   TATA,

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what is the difference between self excited & seperately excited ?

3 Answers  

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How the earth fault relay works please explain?????????

2 Answers  

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