What is the differance between negative dc voltage and positive dc voltage because some circuit uses -24,-5,-12,- 15,volt dc supply10 25841
what is star&delta connections?5 7394
hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.1620
What is the use of centrifugal switch in 1phase induction motor? Why is it so called?2 5393
In step down transformer (415/200V),mistakenly secondary side is connected to 415V for some hours, what would be result of this condition?19 14730
WHY IS THE SIZE OF HOLE OF THE EARTH POINT IN THE PLUG POINT BIGGER THAN PHASE AND NEUTRAL7 8470
What is the meaning of GRID?21 25888
What about Reactive power.and role of that one?7 5717
The importance of resonant filters in converters?1 1531
How much Fault current can be contributed by a motor?4 4565
In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?5 6622
what r the advantage of selecting micro controller type tripping of circuit breaker than relay type tripping?
oltc of a transformer, how it works? and what are the equipment consist of describe briefly?
PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.
When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?
i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.
PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.
Why Stabilising Resistor used in REF circuit ?
What is CCM in Electrical ? where can we use this material?
Can i use the B-curve MCB instead of C-curve MCB
l&t switch FN 63 handle position can we change
what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?
what is earthing transformer? draw the winding dia.of earthing transformer.
please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.
Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?
how is the testing of an REF relay? what are the test REF circuit having?
I WANT YHE TECHNICAL AND ELECTRICAL SPECIFICATIONS OF 2x4MW 11KV 2x10MW 11KV 2x25MW 11KV 2x100MW 11KV HYDEL POWER PLANT i.e PROTECTION SYSTEM,MONITORING,CONTROL SYSTEM,GENERATION,SYNCHRONISATION,METERING PLEASE SEND THE DETAILS TO MY MAIL ID SPRAVEEN_222@YAHOO.CO.IN