why there is 1 phase and 3 phase but not 2 phase and 4 phase?
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What is the difference between resistance grounding system and resistance earthing system?
what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????
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1.what is mean by 8/20 micro sec waveshape
What is PEC??Applications........
what is EIB lighting control system? what is the advantages of this system?
i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.
An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?
define displacement & magnitude ?
what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel
What do you mean by distribution transformers?
Starting Time of LT & HT Motor
Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?
how to measure earth resistance of a substation
mccb service sittings be done?