why open circuit test is conducted on hv side and short circuit test is conducted on lv side of a transformer ?what is the reason for it ?
3 473341.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?
1589why trip circuit supervision is taking through breaker contact? what happen if takendirectly?
GE,
2 3394why voltage coil in wattmeter called as pressure coil why the pressure term is used in wattmeter?
1 7742Why we called L-G fault as line to ground fault why ground? suppose if a line falls on building roof then can we called these fault as line to roof fault? please explain why ground term is used here?
Bhel,
3 4887Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?
Bhel,
1443If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..
Bhel,
1594Why we use modulus with voltage in stability equation that is P=[E][V]SIN@/X WHY VOLTAGE IS IN MODE VALUE WHAT IS THE REASON?
Bhel,
1 2563WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?
4261what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?
Bhel,
1541Post New Electrical Engineering Questions
why occ characteristics of generator is also called as magnatization characteristics ?
how to calculate micom relay earth falt time and current sertting
what is the necessity of under ground cables ??
What is installed in PAC that is control the humidity
Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?
Why induction motor is widely used in industry
why star point of HT motor not earthed?
what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?
advantage and disadvantage of team work?
Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?
The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?
what is the basic construction diffrance between servo motor ans sqiralcage induction motor
WHICH SIZE A.B.CABLE IS USED FOR 11KV.
what will happen if i connect 12 volt battery with 24 volt battery charger.
i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?