What is mean by discrimination of circuit breaker ?

Answer Posted / mahesh

It means CB should be able to asess whether fault is in its
protection zone or not

Is This Answer Correct ?    1 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

1870


calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.

3071


the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

1639


What is the minimum IR value of HT/ LT cable? Pls post separetely!!!!!

1948


Any one can explaination about calibration with rotating sub standards?

1541






how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...

1799


What is the difference between Droop vs Isoch Control?

1909


why constant voltage transformer should be start without load? and if started then what will happen?

1618


What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

1553


What is the suitable transmission voltage?

673


what is p.s impedance measurement test in earthing transformer?

1848


what is the physical connection of a analog i/p to a analog i/p module (ab plc)and through a analog o/p module(ab plc) to a analog o/p . and how all the process control by scada

1443


How do we calculate the Out put voltage of generator, after the excitation is being given?

1516


how oltc works in rectiformers of higher rating (27 mva,200v dc,120kamps) please provide me full information with diaggram.

1721


Draw the equivalent circuit of crystal oscillator?

769