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 42828
why core is useful for the transformer and in its operation1 2043
1.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?1142
why trip circuit supervision is taking through breaker contact? what happen if takendirectly?
why voltage coil in wattmeter called as pressure coil why the pressure term is used in wattmeter?1 6321
Why 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?
If short circuit ratio is high is it bad or good for a machine then tell the reason...
Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?
If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..
Why 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?
EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?979
WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?3093
what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?
Where we can use 3.5c cables instead of 4c cables.Why?4 10206
plz send me HPCL apptitude paper.. email@example.com
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 ?