Answer / abhi

there are different arrangement for testing different vector group x mer's .The main purpose of testing is to avail that x mer's winding doesn't get damaged while transportation erection of x mer.

Answer / nibel

the vector group of the transformer wil be seen in the name
plate. for example if its dyn11 means delta star with
neutral.11 means 11 o clock is the phase angle between
voltage and current(30 deg lead)

Answer / arun

we can check the transformer vector group and polarity of
tansformer.ex.Dyn11 in name plate .11 "o" position we are
check th tansfomer

From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?

0 Answers  

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why we oltc on hv side of tranformer only

10 Answers  

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what is meant by Hrc fuses.?In the distribution system different rating hrc fuses are used for tranformer(which is 3k,6k,10k,15k etc).what is k?.plz any brother tell me about k?

1 Answers  

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Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

0 Answers  

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how to select the power contactor in Diffrent AC motors.

6 Answers   Titan,

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what is skin effect

7 Answers   NHPC,

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What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

0 Answers  

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does frequency affects the load? if yes elaborate it.

1 Answers  

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why rating of motor in HP?

11 Answers  

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

1 Answers  

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Which motor will you choose which can operate in both lagging as well as leading power factors?

0 Answers   HPCL,

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why battery is connected in parallel ?

7 Answers  

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