Answer / taufic

By using Megger

Answer / jakeer

At Delta from winding ph to ph & to body & in star ph to body
by opening star earth point.

Answer / b soni

we can measured by the Wector group it is star or delta

What is mean by vector group? For what purposes we doing vector group test in transformers?

2 Answers  

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why the earth is taken minimum in supplying? wather it the proportional factor to getting work any equipment or a power plant?

0 Answers  

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What is the latest generation of circuit breakers called?

2 Answers   Focus, Oil India,

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why do mostly prefer to generate and distribute electricity in 3 phase..not in 4 phase or 5 phase.??

5 Answers   BSBK, IOCL, NTPC,

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what is a difference b/w earthing & neutral?

5 Answers   ABB, KEC, Sterlite,

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why so voltage is same in parallel circuits and current is same in series ckt?

3 Answers  

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whether fibre optic cable in high voltage earth conductor is used for protection circuits

0 Answers  

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When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

2 Answers   Sail, TCS,

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can a generator with 15AH specified battery for starting can be connected to a battery of greater capacity?

2 Answers  

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WHAT IS DC COMPONENT IN CIRCUIT BREAKER?

10 Answers  

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will we get shock from dc?

12 Answers   L&T,

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what will hapen if secodery circuit is open of current transformer

8 Answers   KPTCL,

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