whose the first invented AC voltage or DCvoltage4 5258
How many capacitors using in LT panel as per Govt rules?1425
if we going for high voltage usages what are the considering factors, why those factors are effected.... please give me an answer related motor factors like wnidnig, frame, temp etc
we done magnetic balance test for 33KV /440V transformer in our company , but the ratio out is confusing us Voltage applied in RY = 440 , at RB = 320 and YB = 60 RY 440 = ( RB + YB ) 380 only Please let me know what type of problem is it.2 4403
Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???1482
help me with the question that might be ask on the interview for technical position1733
what is difference b/w CFL and Ordinary lamps? which one is useful for power saving?5 5366
what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group1551
FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?2858
what is meant by tranformer impedance?2087
How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?1847
How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.
How you give clearance to a spare feeder.
mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....
how can decide the current rating of oltc
TYPE'S OF BREKAR ,WHAT IS TRANSFORMAR & SAFTY. STARTER DOL & STAR DELTA STARTER.
Is a d.c.compound motor is use as a booster? how?
What is the range of the stator resistance of 3 phase induction motor?
Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?
in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.
The Howland current source produces a A Unidirectional floating load current B Bidirectional single-ended load current C Unidirectional single-ended load current D Bidirectional floating load current
In siemens PLC, why do we want to move the data ?
Fantio of tranformer
What is your acheivements
what is the minimum pay scale for electrical engineer (building construction)in kuwait? plz revert back with yrs of experience & pay scale respectively.
In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?