Answer / abhijeet

Generally tan delta test is taken on voltage level of 2
kV,5kV , 10 kV using test kits. but factories perform the
test on rated voltage level of that particular instrument.

Answer / k.prakashchandra

Our 110/11 KV Tr was tested with 2.5 to 15 KV at an
increment of 2.5 KV

What is Procedure the procedure to select CT's & PT's in 66kV and above substation

1 Answers  

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what is the std. earthing resistance for 440V system or m/c, 33000/440 Volt substation? What is the std.?

2 Answers  

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why earth hole size is biggest in plug point?

13 Answers   RRB,

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How Flywheel run in DG set, tell in details

1 Answers   Sambhav, TATA,

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I have calculated load for an office building which is 1200 KW as all the load is single phase therefore its 1200 kw single phase. Now i have to design Transformer and Generator for this load Please kindly give me exact answer that how much capacity of Three Phase Transformer and Three Phase Generator is required for this load.

3 Answers  

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what size of copper busbar use for 11kv 630A

3 Answers   ABB,

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How DC to AC convert

2 Answers   Access,

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single phase brower fan with control starter. *problem is when operate it.It will be trip.

1 Answers  

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how to calculate the cable size for LT and HT power cables with detail explanation?

2 Answers   Asset Developments, Bhel,

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how many types of accuracy class in ct? what is meaning of 5p20?

1 Answers  

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Instead of single phase(220), if we apply Phase to phase (R&Y)supply (eg: for lighting fixture). what will be the power formula?

1 Answers  

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why full load voltage is less than no load voltage?

4 Answers  

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