what is the difference between underreach and
overreach.what is the advantage of using overreach instead
of underreach.explain

Answer Posted / n k singh

Underreach and overreach is the ability of distance relays
to operate below and above designed impedance.As we know
the impedance relay operates when impedence seen by the
relay is equal to designed impedance.

Is This Answer Correct ?    5 Yes 13 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain about p.t?

666


what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq

1644


The slip during plugging operation is given by= A 1-s B 2+s C 1+s D 2-s

2379


why do we lay up the core of a cable?

1606


What is difference between Sample test and Routine test in safety standard?

1287






can i use ups power as a raw power for another ups

1465


Why does amplifier gain reduce?

638


how to wiring it with contactor and timer together

1345


what is a reactive power? what is the relation with power factor?

1639


Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

2621


Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer

1442


how power trnafor from 1 point to another point in bus bar ya transmission line( voltage trnasfer from 1 point to another poin)

1491


How to test the Secure Elite 440 Multi function meter working condition.

1610


What is class ab operation?

639


How test for Ddo vector group test condition?

1961