Answer / rahul kumar

There are two type of transformer
1=step up
2=step down

What is vector group? What is meant by DYN11?Why is it needed?

13 Answers   Areva, Bhel, BRG, Escorts, Fortis,

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A long transmission line is limited by - a)thermal limited b)voltage limited c)stability limited d) L,C limited please explain with proper reason.

1 Answers  

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What is the meaning of insulation leavel LI 75 AC 28 About scott transformer spcification

1 Answers  

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What is resonant peak?

0 Answers  

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what is thyristor, how is it works

1 Answers   Sony,

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define frequency ?

14 Answers   KPTCL,

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how can u say about the line by looking at the tower ? {voltage rating of the line}

3 Answers   BARC, London,

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the total iron closs in a transformer core at normal flux density was measured at 25hz and 5ohz and was found to be 250w and 800w respectively.the hysteresis loss at 50hz would be................?????

1 Answers   ABB,

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Ht panal kia hota ha?

1 Answers  

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In Ferantti Effect Receiving end voltage is greater than sending end voltage but how it is possible. I know its all about charging current but give me some more detailed explaination?

3 Answers  

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what is meant by trip circuit supervision & directional or non directional over current ?

1 Answers   ABB,

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what is the different ratings of ACB/VCB/SF6 which is used at HT side

3 Answers   Hosco,

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