Answer / vishnu

v^2 according to this relation as the voltage changes
transformer core loss changes

How to calculate earth fault current for 6.6 KV , 50 HZ , 756 Amps , 3000 RPM , 0.8 PF generator

1 Answers  

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which signal we found accurate reading of analog signal or degital signal and why?

1 Answers  

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In a star to star transformer can we use a common neutral for both star connected primary and secondary

1 Answers  

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In a single phase converter, the no. of SCR conducting during overlap? a.1 b.2 c. 3 d. 4

3 Answers  

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how to calculate cable size in transformer, distribution side?

1 Answers  

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What are HT & LT Cables? What are their values?

3 Answers   IOCL,

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i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value

1 Answers  

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there is a # KVA Transformer of 11 KV/440V, in simple(not use formuia) how can you calculate it's HT & LT side current.

5 Answers   Construction, wbsedcl,

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WHATIS TIME CONSTANT? WHATIS ITS SIGNIFICANCE? ILLUSTRATE THROUGH EXAMLES.

1 Answers  

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WHAT IS DIFFRENCE BETWEEN 3 PHASHE AND 1 PHASHE

6 Answers   Reliance,

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What is the use device of the grid.

1 Answers   Premier,

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why field winding is placed on rotor winding not on stator winding in case of synchronous machine?

13 Answers   HAL, TATA,

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