Answer / b.shivakumar

faraday law of electromagneyic induction i.e., when ever the
conductor cuts across the magnetic field an E.M.F induced in it.

1.what is mean by 8/20 micro sec waveshape

0 Answers   Vedant,

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what is impedence in transformer

2 Answers  

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What happens when two positively charged material is placed together?

0 Answers  

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Why one side of secondary of transformer is earthed, to supply single conductor of electric traction system?

1 Answers  

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what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

0 Answers   ABB,

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We have 2 no. 4MW DG set. and GEB supply. But, we running, only 1 DG set. when we done APFC/Power factor setting : 0.90, then winding temp. Low. but when setting done : 0.83, then Winding temp. increase. WHY Why ? ? ?, plz give me answer.

4 Answers  

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what will happen if the connections of protection ct reverse? will it burn the ct?

2 Answers  

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how do we know the LT or HT panel trip by some broblem which indication willshow

2 Answers   TATA,

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if u have single phase load (un balance) and the main power cable is 3.5core means netural is .5 of phase and can the three phase current make the return paht in .5 neutral.

1 Answers  

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What is transposition in a transmision line?

2 Answers  

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what is formula in determining the size of Circuit Breaker for transformer with the following specifications. 7 units of 1600 volts (primary) and 400 volts (secondary). Both Primary and Secondary will have a circuit breaker which is SF6. What should be the Switchgear Main Breaker Size anf the sizes of each brances Circuit Breaker for Primary.

1 Answers   ABB,

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What is the minimum distance between MV busbare (P to P & P to E) as per some standards

1 Answers   ABB, Sejong,

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