What are the causes ,revers rotation of a kwh meter?

2 Answers  

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Please explain, how to test vector group of tranformer(Delta y1) . Thank

0 Answers   PGCB,

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ohms law aplicable

16 Answers   APGenco,

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at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

0 Answers   Ebrahim Textile, Siemens,

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For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?

0 Answers  

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what is a types of short circuit and what is a types of distance protection tests

0 Answers   Anna University,

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Is phase preventer require when overload relay is there

1 Answers  

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in three pin plug 6 Amp. 220v AC rating. why earth pin diameter is higher than ohter two pin? what its purpose ?

6 Answers  

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Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.

0 Answers   ABB,

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Resistance of a conductor in a close electrical ckt is practically zero why?

1 Answers  

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what is main advantage if motor connected in star or delta?

3 Answers   Essar,

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How test for Ddo vector group test condition?

0 Answers  

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