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Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?
I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.
i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value
what is the transformer turn ratio formula and give some examples?
how to calculate the distance relay faulty zone?pls explain?
explain transformer ct connection?
why core is useful for a transformer ?and also in its operation ?
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?
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..
EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?
WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?
what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?
WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?
