What meant by lagging and leading? When if they are occurred what preventive m

What meant by lagging and leading? When if they are
occurred what preventive methods should be taken?

Question Posted / ravi

14 Answers
57014 Views
ABB, L&T, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

What meant by lagging and leading? When if they are occurred what preventive methods should be tak..

Answer / sugali. anjineyulu naik.

the terms LAGGING and LEADING in electrical engineering
indicate that the amount of time settiling required to be
overcome all the field effects either in inductor or capacitor.

Is This Answer Correct ?

0 Yes

0 No

What meant by lagging and leading? When if they are occurred what preventive methods should be tak..

Answer / aravinda

consider voltage and current as phasors, angle between voltage and current is positive then leading (in case of capacitive loads) viceversa for lagging (in case of inductive load)

prevent lagging by parallal connecting capacitor banks or over excited synchronous motor

no need to prevent leading pf,

Is This Answer Correct ?

0 Yes

0 No

What meant by lagging and leading? When if they are occurred what preventive methods should be tak..

Answer / maru yehualaw

1.yes
2.yes
3.yes
4.yes
5.yes
6.yes
7.yes
8.yes
9.yes
10.yes

Is This Answer Correct ?

0 Yes

0 No

What meant by lagging and leading? When if they are occurred what preventive methods should be tak..

Answer / baba

leading means current leadig the voltage if we take a anti
clock wise direction,,lagging means current is behind the
voltage by some angle if we take a anticlockwise
direction,,generally for inductive loads leading is
seen,,and for capacitative loads lagging is seen

Is This Answer Correct ?

4 Yes

9 No

Post New Answer

More Electrical Engineering Interview Questions

what is meaning of sympathetic tripping with respect to relays and give the values for current carrying capacities for copper and aluminium cables from 16sq mm to 500sq mm

1 Answers

How can we measure and monitor critical performance parameters of Diesel Generator Sets, both electrical and engine ?

3 Answers Cologicx Systems,

What are the effects of adding a zero to a system?

0 Answers

New istallation how many eathing have one transformer? Names of earthing connect places?

10 Answers

what happen if drive input fail momentry at 48.5 HZ frequency?

0 Answers

in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.

1 Answers

IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace.

1 Answers Jindal,

Relation between Sq.mm of wire and Its current carrying capacity?

5 Answers

how air lock will be removed from generators, how it happens?

1 Answers ABC Engineering,

what is the principle of operation of synchronous motor and generator? explain in detail.

2 Answers Maruti Suzuki,

if the length, number of turns and area of coil are doubled then inductance of the coil becomes.?

1 Answers

what r Grid stations?what r there role.Explain in detail

1 Answers

For more Electrical Engineering Interview Questions Click Here