Pls Breifly explain about UPS
(Inverter,Reserve,Rectifier,Float voltage,Boost voltage).
what is the principle of operation of domestic fan?? what is the role of capacitor in it??
What are the differents between Breaker & Contactor?
what is the difference between R Y B windings in three phase.does it differ by construction or by number of windings?Explain the difference between them.
Dear All, If we have 8No. 11kV cables running underground that are required to supply 20MW to a new development. What is the sustained current in Amps? Please advise.
WhY PF low at Time of PT Missing in HT Meter
Why neutral is used in electrical system?
why no load voltage is greater than full load voltage?
draw vector diagram and +ve,zero sequence diagram of symmetrical three phase fault.
What is the difference between an ELCB and a RCD?
what is the different between HT auxillary relay resistance and transformer tripping relay resistance?
we use Dyn11 trafo for distribution purpose, if it`s possible for replacing Dyn1. if it`s change means what will happen?
why we did not get shock by touching nuetral of any single phase supply of a electrical equipement?