Answer / subash

R-running winding
Y-common winding
B-bushing winding

Why scr and igbt used in  ups systeam ????

1 Answers   JLL,

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how can u do the earthing of an aeroplane?

5 Answers  

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what is the similarity and difference between ups and inverter?

4 Answers   GMR,

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why slipring motor , at full speed run as squirrel cage motor?

1 Answers  

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defination of a.c filter

0 Answers  

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What happens if the Capacitive Voltage Transformer Primary neutral is not earthed. There is a CVT between Transformer and source, and the CVT neutral of the transformer is not earthed, does it effect the transformer while charging or does it effect the transformer charging process.

1 Answers  

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A.V.R maintains the voltage of a generator when it is in island mode but when the generator is synchronised with grid it maintenance the P.F,how it happens please any body explain it in detail.

2 Answers   TATA,

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why the colour of insultor stack , petticoat is brown. Is it has some technical reason.

0 Answers  

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what happens if you swap F1 and F2 connection in the exiter of the generator?

1 Answers  

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1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

0 Answers   ICS Integrated Computer Solutions,

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I want d.g.set our company

0 Answers  

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What is SF6 Circuit Breaker?

10 Answers   Sodexo,

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