In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?
1633In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?
1 14345What is the formula to find out the kvar required to improve the powerfactor from .85 to .99 at 1500kw, 415v.
4 17943What is the winding resistsnce need to be in a 1000kva, 11kv/415v transformer, between ht winding to lt winding, ht winding to earth, lt winding to earth.?
1 5197where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz
1678is it possible to flow a current between nutral and earth in a circuit? although nutral and earth having same potential diffrence? i=0/r=0A if any body now any solid reason because i am getting a triping problem in rcbo due to nutral and earth shorting???
2 3490Is there any calculation to find unknwon(unferroled) phases R Y B in alternator,3 phase motor anybody shoot my problem. how can we notice this is the respective phase?
2 3500if an alternator or turbine using fuel to produce ele energy and we didn't connect load to the ends then where was gone the ele energy
2 3621Is there any calculation to find unknwon(unferroled) phases R Y B in alternator,3 phase motor anybody shoot my problem. how can we notice this is the respective phase?
3 5182what is the difference in operation of 3 phase motor when am forward delta connection and reverse delta connection?
1 3645Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?
1528Post New Electrical Engineering Questions
why actual valve timing diagram is different than ideal valve timing digram of a 4 stroke engine?
How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?
Define damping ratio.
what are the different kind of cables used for transmissions?
where does 22kv line starts
what is the use of current transformer in power transformer secondary side.?its connectyed in WTI
what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?
hello everybody. what does an abnormal stator winding impedance or dc resistance show? thanx
IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.
Why back emf used for a dc motor? Highlight its significance.
In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?
Define norton equivalent circuit?
What are the functions of different probes used in cro?
What is meant by reset level of the relay?
what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value