Answer / sukhvinder

it is a intermediate point between two substations where
line enters and leave this point having no step up or down
transformer. it is provided to reduce voltage due to
capacitive effect or to increase voltage which is due to
reactive effect

Answer / k.prakashchandra

Switching station is tapping point with' LiLo' configuration
for tapping the line for a spur line ,usually for evacuation
from a generating station

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