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 ?
1342In 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 13864What is the formula to find out the kvar required to improve the powerfactor from .85 to .99 at 1500kw, 415v.
4 16648What 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 4798where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz
1407is 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 2993Is 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 3088if 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 3002Is 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 4447what is the difference in operation of 3 phase motor when am forward delta connection and reverse delta connection?
1 3219Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?
1329Post New Electrical Engineering Questions
At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?
what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????
from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?
Hello seniors m an engineering student in 3rd yr..i want to know what are the software course in electrical field?i wanted to do certification course but i dont know much about the course?..Regards
why connecting surge unit in contactor coil
how is find out kwh step by step
neutral earth resistance testing is it possible for transformer while in load condition
What is the formula to calculate the rating of power cable for three phase current.
What aturn on methods of scr?
1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is
what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.
am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?
why is control bus bi-directional?
Can anyone explain me about the capacitor calculation
define superposition theorem thevnin theorem ,norton theorom?
