what is tha online tapping and offline tappchange? which side connected primary or secondary and explain ?

4 Answers   Essar,

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how calculate kva in to kw

1 Answers  

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Welding machine

1 Answers   CEL,

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what is pulverisation

2 Answers  

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How can calculate ups battery back up time?

25 Answers   Cisco, Cooper, Pronet, Wipro,

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conditions for parallel operation of dc generators

4 Answers  

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If the capacitor feeder is switched ON without any load, is there any display in the ammeter at the incomer?

3 Answers   RTD, Welspun,

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Please brief working principle & construction of permanent magnet AC Servo motor

0 Answers   DRJ ARDE,

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one hp 3phase motor what generate power factor

1 Answers  

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HT/LT PANEL TEST?ALL TEST

0 Answers  

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what are the sections in a high voltage system(eg:incomer,buscoupler,isolator

1 Answers   IGL, L&T,

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Why neutral shows voltage with earth ?

2 Answers   MRF,

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