what is rise time and half time

1 Answers   NHPC,

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In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?

0 Answers  

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in breather of transformer how sillicon gel absorb the moisture?wat happen when the moisture in that oil?

1 Answers  

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what is the minimum bdv value for 400 kva transformer?

2 Answers  

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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what is positive,negative and zero sequence in power system?

4 Answers  

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What do you mean by Transformer?

9 Answers   Hyundai, NTPC, wbsedcl,

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Why is the frequency not changed during transformation of electrical energy in a transformer?

0 Answers  

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How can we calculate single phase load into three phase load

2 Answers   Jindal, Tanfac,

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what is the stear deltaprinceple?

0 Answers  

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Why stones are layed under Transformer

4 Answers  

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transformer is connected with 50hz and 60hz at same rating which will give more output on same rating

2 Answers   Palace Consultant,

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