ABB RELION 670 Series Applications Manual page 285

Busbar protection
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1MRK 505 337-UUS A
UnsucClByCBCheck , Unsuccessful closing by CB check
The normal setting is
new trip within the reset time after the last reclosing shot. If one wants to get the UNSUCCL
(Unsuccessful closing) signal in the case the CB does not respond to the closing command,
CLOSECMD, one can set
Priority and time tWaitForMaster
In single CB applications, one sets
CB, e.g. near the busbar, is set
waiting time,
and a margin for synchronism check at the first CB. Typical setting is
AutoCont and tAutoContWait , Automatic continuation to the next shot if
the CB is not closed within the set time
The normal setting is
waits to see if the breaker is closed when
tAutoContWait = 2 sec .
12.3
Apparatus control APC
12.3.1
Application
The apparatus control is a function 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
121
Commands to an apparatus can be initiated from the Control Centre (CC), the station HMI or the
local HMI on the IED front.
Application manual
NoCBCheck . The "auto-reclosing unsuccessful" event is then decided by a
UnsucClByCBCheck = CB Check and set tUnsucCl for instance to 1.0 s.
Priority = High and for the second CB Priority = Low . The maximum
tWaitForMaster of the second CB is set longer than the "auto-reclosing open time"
AutoCont = Disabled . The tAutoContWait is the length of time SMBRREC (79)
gives an overview from what places the apparatus control function receive commands.
Priority = None . At sequential reclosing the function of the first
AutoCont is set to Enabled . Normally, the setting can be
Section 12
tWaitForMaster=2sec .
Control
IP14560-1 v2
IP14931-1 v1
M13443-4 v11
279

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