High-frequency zagraditel of P3-630/05

High-frequency zagraditel of P3-630/05. Are necessary for a redotvrashcheniye of losses of VCh
signal on tires of substations
and on the neighboring lines;
Blockings of VCh of signals
from other sources,
working at the neighboring lines
with close frequencies;
Maintenance certain
values of high-frequency parameters of a power line irrespective of the scheme of the distributing device.