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Equipment Description
01.4IB.77000B
Figure 5
Operation Sequence
SECONDARY
DISCONNECT
MAKES
CLOSE SPRING
CHARGED
BREAKS
LS
MAKES
LCS
ENERGIZED
GREEN LIGHT
WHITE LIGHT
ENERGIZED
"Y" CIRCUIT
DISABLED
"CS/C" MAKES
CLOSE CONTROL
CLOSE COIL "CC"
ENERGIZED
DISCHARGED
CLOSE SPRING
MOTOR "M"
ENERGIZED
DE-ENERGIZED
WHITE LIGHT
LS
MAKES
BREAKS
LS
LS
MAKES
BREAKS
LS
PREVENTS
CLOSE COIL
MOTOR "M"
DE-ENERGIZED
ENERGIZED
WHITE LIGHT
LS
BREAKS
MAKES
LS
CHARGED
CLOSE SPRING
VCB CLOSED
BREAKS
52/b
"Y" COIL
ENERGIZED
DE-ENERGIZED
CLOSE COIL "CC"
ENERGIZATION
BEFORE
FULLY CHARGED
SPRING IS
RELEASED
SWITCH IS
BEFORE CONTROL
IF VCB TRIPS
PUMPING
PREVENTS
BREAKS
"Y" CONTACT
MAKES
"Y" CONTACT
"Y" COIL
"SEALS IN"
LS
BREAKS
MAKES
LS
52/a
MAKES
GREEN LIGHT
DE-ENERGIZED
BREAKS
52/b
ENERGIZED
RED LIGHT
TRIP CIRCUIT
SET UP
CONTROL SWITCH
"CS/C" BREAKS
RELEASE CLOSE
DE-ENERGIZED
"Y" COIL
MAKES
LS
MOTOR "M"
ENERGIZED
DE-ENERGIZED
MOTOR "M"
BREAKS
LS
MAKES
LS