Answer Posted / ramesh pachamal

Power = 1.734 x V x Ix cos@
Say the power factor is 1 unity.
P=1.734x400x1x1=698.2watts. This much power need to send
from Power statin to do some work. The energy meter will
read the unit as same for this value. But if the power
factor is less or more say 0.8
P-1.732x400x1x.8=554.24watts. This much watts only will
read the meter. Remaining amound send from power station
willnot in calculated and is in losses.Remaining around 150
watts loss in same work.Thats why EB insisting to maintain
unity instead of lagging or leading.

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