Answer / k.prakashchandra

Yes ,for communication

What is CCTV System???Applications........

16 Answers   Emerson, Honeywell, Joyalukkas,

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How we calculate the spacing between the conductors in 11,33KV lines?

3 Answers   NHPC,

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What is the ampereage of .75 ton Ac

1 Answers  

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Differcence between UPS and Inverter.

4 Answers   Adani,

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Is only insulation the difference between High voltage and Medium voltage cable?

1 Answers  

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How to checking sld drawingas and control drawings

1 Answers  

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In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

0 Answers  

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What are the different ratings of the fuse units for different distributions at your organization?

3 Answers   TATA, UPPCL,

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Sir we have 12.5 MVA(110/11KV) transformer (Y-Y) connected,which tripped showing earth fault,when we charged transformer it stood OK ,but on connecting 11 KV feeders it tripped showing earth fault.our service engineers found that the B phase and R phase phase connecting to neutral broken from HV OLTC(on load tap changer),and R phase and Neutral is ok.Dissolved gas analysis shows that accetline content is high,tan delta value is 12.My dout is it is an internal fault of transformer,why REF or diffrential relay is not acted?

1 Answers  

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If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!

0 Answers  

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what is meant by magnetic flow meter ? explain its working principle ?

1 Answers  

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what is the k var ratting of 1250kva

0 Answers  

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