What is the measuring instrument of magnetic flux density?

2 Answers   CSEB,

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why we are using DC supply for all protection relays, why cant we use AC supply..???

1 Answers  

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what is the equation of converting KW into HP ?

4 Answers  

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Hy the hydro power stations have high transmission and Distribution costs?

3 Answers  

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1 HP = how many kw

9 Answers  

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In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

0 Answers   HAL,

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why to use freewheeling diode ( diode in revers bias mode) across dc coil

2 Answers  

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Why, the starting current of 3 phase Induction Motor is 7 to 8 times its rated current?

9 Answers   L&T,

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what is the reason for earthing static equipments? why?

3 Answers  

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why burdens of VTs is more than CTs?

0 Answers  

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what is the meaning of bus bar, in electrical panels.

13 Answers   HLG Habtoor Leighton Group,

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what transformer we used normally and upto which kva?

0 Answers  

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