ABB Relion 670 Series Applications Manual page 317

1MRK 511 401-UUS F
auto reclosing cycle of the slave is inhibited. The maximum wait time,
second circuit breaker is set longer than the auto reclosing dead time plus a margin for
synchrocheck conditions to be fulfilled for the first circuit breaker. Typical setting is 2sec.
tSlaveDeadTime : When activating the WAIT input, in the auto recloser set as slave, every dead
timer is changed to the value of setting
operation. When the
breaker, the slave is released to continue the auto reclosing sequence after the set
tSlaveDeadTime . The reason for shortening the time, for the normal dead timers with the value of
tSlaveDeadTime , is to give the slave permission to react almost immediately when the WAIT input
resets. The minimum settable time for
should not send the circuit breaker closing command at the same time.
14.3 Apparatus control
14.3.1 Application
The apparatus control is a functionality for control and supervising of circuit breakers,
disconnectors, and grounding switches within a bay. Permission to operate is given after
evaluation of conditions from other functions such as interlocking, synchronism check, operator
place selection and external or internal blockings.
Figure 125
commands to an apparatus can be initiated from the Control Centre (CC), the station HMI or the
local HMI on the IED front.
IED
Apparatus
Control
CLOSE/OPEN
ANSI08000227 V1 EN-US
Figure 125: Overview of the apparatus control functions
Bay control REC670
Application manual
WAIT input is reset at the time of a successful reclosing of the first circuit
The complete apparatus control function is not included in this product, and the
information below is included for understanding of the principle for the use of
QCBAY, LOCREM, LOCREMCTRL, SCILO, SCSWI, SXCBR.
shows from which places the apparatus control function receives commands. The
Station HMI
Local
Local
HMI
HMI
IED
Apparatus
Control
CLOSE/OPEN
breakers disconnectors grounding switches
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tSlaveDeadTime and holds back the auto reclosing
tSlaveDeadTime is 0.1sec because both master and slave
cc
GW
Station bus
Local
HMI
IED
Apparatus
Control
CLOSE/OPEN
ANSI08000227.vsd
Section 14
Control
tWaitForMaster for the
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