•')
HKB SINGLE POLE
high-speed open-close
cycle.
In other words,
when
the
tripping and
closing mechanisms of
the
breaker
are
energized
approximately
simultaneously, the
breaker
contacts are not
l.l. 41-600.7
fUlly
opened
but
are parted sufficiently to
"
extinguish the
arco
Correspondingly,
the
breaker
auxiliary
switch
is
not completely
operated.
Fig. 4-Typical Reclosing Circuits for the Type HKB Single Pole Carrier Relaying Scheme.
5
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