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 428281.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?
1142why trip circuit supervision is taking through breaker contact? what happen if takendirectly?
GE,
2 2425why voltage coil in wattmeter called as pressure coil why the pressure term is used in wattmeter?
1 6321Why 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 3763Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?
Bhel,
992If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..
Bhel,
1137Why 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 1766WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?
3093what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?
Bhel,
996Post New Electrical Engineering Questions
plz send me HPCL apptitude paper.. maulik_elect@yahoo.co.in
What is bridge rectifier and explain with details
What is the selection process of breakers. Can any one please give a formulation on same?
describe the fully control circuit diagram of ac drives
why on delay timer used for fully automatic star delta starter?
what is Anti-pumping?
what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.
What is effect of harmonic current (Draw by VFD) on power system/ electrical Equipments ?
How LT megger works ?
How do we calculate over and under frequency tolerance from generator data?
any application of back emf
explain PV modules in solar energy generation.
What is process of anneling transformer core
what is the differation bewreen kwh & fundamental kwh in electronic trivector meters
What is difference between start imitation and start interlock for 3 phase motor protection ?
