should Dy11 and Dy1 group can be operated in parallel??????

1 Answers  

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what is the magnitude of earthing and neutral voltage

2 Answers  

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how to discharge 3 phase power factor correction capacitors

0 Answers   M S Ramaiah Institute,

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how to increase senstivity of ct

0 Answers   NPCIL,

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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

0 Answers  

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what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

0 Answers  

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To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?

0 Answers  

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How can calculate ups battery back up time?

25 Answers   Cisco, Cooper, Pronet, Wipro,

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Why we does earthing for transformer neutral point

5 Answers   amps, DLF,

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how to select earthing conductor size of amy motor/panel etc.

1 Answers   Sony, VBB,

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Define de-sensitivity?

0 Answers  

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what is suitable alternative for an igbt?

4 Answers  

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