what is isochronous mod? what is voltage drop mode and p.f mode?

0 Answers   ABB,

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what happens to the supply voltage if there is any change in frequency?

1 Answers   Gridco,

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Why Diffrential and Ref relays are used together although Diffrential relay can protect Pri and Sec of Transformer

1 Answers   Qatar Gas,

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What is the safety of UPS?

0 Answers  

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I want Primary side delta and Sec side Star connection transformer . but i have received Star - Star transformer ,shall i use the same transformer by giving the only 3 ph on Primary side without Neutral connection on the Starpoint.

5 Answers  

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description about dry type transformers

0 Answers  

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WHAT HAPPEN WHEN A DROP OF WATER MIXED UP WITH TRANSFORMER OIL ?

4 Answers  

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What is the constructional difference between ceiling fan and table fan

2 Answers  

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Why the earth to phase voltage is high 250 compare to other two phases

0 Answers  

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why the neutral point in connnection oscillates?

0 Answers   Avalon,

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Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set

0 Answers  

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why the genearation of electricity always in form of sine wave only ??? why not cosine wave ???

1 Answers  

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