Saturated
Reactor (SR)
•Saturated
reactor is
use for controlling reactive power.
•It
consists of reactor and shunt capacitor bank.
•It is
like a magnetic
switch which
control current during each half cycle.
•It is
also called tapped
reactor and
it is single phase.
•It
have multiple taps for varying the inductance according to
requirements of loads.
•When
it get saturated further increase in current will
not cause increase in magnetic flux and when it become saturated the reactor
(inductor) losses its inductance property and hence decrease in inductive
reactance will allow increase in AC current flow.
•Controlling
element of saturated
reactor is
saturable magnetic core.
•This
can be controlled directly or remotely.
•Controlling
winding consists of DC and it is separated from AC power.
•The
advantage of Saturated
reactor is
it low maintenance and performance at high temperature.
•Saturated
reactor is a
magnetic
amplifier.
•The
relation between DC
control volt amp and AC control volt amp is called amplification factor.
•The
disadvantage of saturated
reactor is
its slow
response.
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