please explain working of revers power relay

4 Answers   CESC, DCM,

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why burdens of VTs is more than CTs?

0 Answers  

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wht is an AVO metre. and whre it is used?

1 Answers   Mayflower,

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trasformer ratting

2 Answers   Bhel,

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How to calculate the Efficiency of Chiller

0 Answers   Knight Frank, L&T,

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New istallation how many eathing have one transformer? Names of earthing connect places?

10 Answers  

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If one d.g. is unable to take full load of system, then second d.g. will take care of partly Load.for this condition RPM of both DG set should be equal.By using Synchronization panel RPM of dg sets are match, is it true?

1 Answers  

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why transformer rating in kva and motor rating in kw

11 Answers  

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i need 24v dc from 230v ac supply how we can getit ? what are the devices &its rating requied for that ? plzz i need answer urgently .thank u

3 Answers  

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phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this

3 Answers   Areva, Kim Yew,

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1. how much normal earth resistance in earth pits(neutral and body earth) and transformer neutral and body earth & panel earth.

12 Answers   HP, Malladi Drugs and Pharmaceuticals, Pearl Engineering, PL,

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How Humming noise generated in starter motor which was used the start the engine in a vehicle/car/Truck?.Moreover Starter motor was operated in DC power supply. Can you guys clarify ?

2 Answers  

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