what happens in the primary side of the transformer if transformer is short circuited first and increasing the resistance of the short circuit gradually?

3 Answers   Emerson, IIT,

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Direction of flow of active power and reactive power with logic?

0 Answers  

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We know no of electron and proton in atom but how many Neutron are thire in an atom ?

1 Answers   Power Grid,

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how we can set the IDMT relay.

0 Answers   Suzlon,

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oil sample dielectric test gives the insulation rupture voltage at 26 kv. is this transformer safe to be operated . The working voltage is 11 kv

2 Answers  

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Residual voltage & residual current used in which protection?

5 Answers   Qatar Gas, Reliance, Transformers and Electricals,

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my motor rating is 800HP, 128Amps, 3.3kV. What is capaitor bank i can use for PF improvement to 0.990?

3 Answers  

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Dear Friends, Need your help for connecting APFC panel, Quotation : I have 2 No’s 1000 KVA Transformers, both transformers are having separate APFC panels, ( Tr-1,400KVAR, TR-2,450 KVAR) Now I want to stop One transformer, present load is 650Amps, Max, So One transformer is enough, I have switched OFF TR-1, but PF is not maintaining properly, its 0.5, So now I want to connect TR-2 APFC also in TR-1 Loads, Can any one answer for my Quotation with drawing, how to connect TR-2 APFC panel in TR-1 Loads,

4 Answers   L&T,

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Can you use step up generator transformer of voltage ratio 16.5kv/420kv in place of step up generator transformer 15.75kv / 420 kv

1 Answers  

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Difference between divercity and power factor

1 Answers  

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what happens if commutator is removed in an dc machine?

3 Answers  

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IN SOME CASE, WHEN I GIVE 24VOLTS DC AS INPUT, WHILE IN OUTPUT (THAT MEANS TERMINAL SIDE OF THE INSRUMENTS) I,M RECEIVING ONLY 6 VOLTS, WHAT IS THE REASON FOR THAT MUCH VOLTAGE DROP?

3 Answers  

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