Apparatus Control Apc; Application - ABB Relion REC670 Applications Manual

Section 13
Control
UnsucClByCBCheck , Unsuccessful closing by CB check
The normal setting is
a new trip within the reclaim 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, CLOSECB, one can set
to 1.0 s.
Priority and time tWaitForMaster
In single CB applications, one sets
first CB, e.g. near the busbar, is set
maximum waiting time,
reclosing open time" and a margin for synchrocheck at the first CB. Typical setting is
tWaitForMaster=2sec .
AutoCont and tAutoContWait , Automatic continuation to the next shot if
the CB is not closed within the set time
The normal setting is
to see if the breaker is closed when
tAutoContWait = 2 sec .
13.3

Apparatus control APC

13.3.1

Application

The apparatus control is a function for control and supervising of circuit breakers,
disconnectors, and earthing switches within a bay. Permission to operate is given after
evaluation of conditions from other functions such as interlocking, synchrocheck, operator
place selection and external or internal blockings.
Figure 104
commands. Commands to an apparatus can be initiated from the Control Centre (CC), the
station HMI or the local HMI on the IED front.
256
NoCBCheck . The "auto-reclosing unsuccessful" event is then decided by
UnsucClByCBCheck = CB Check and set tUnsucCl for instance
tWaitForMaster of the second CB is set longer than the "auto-
AutoCont = Off . The tAutoContWait is the length of time SMBRREC waits
gives an overview from what places the apparatus control function receive
Priority = None . At sequential reclosing the function of the
Priority = High and for the second CB Priority = Low . The
AutoCont is set to On . Normally, the setting can be
1MRK 511 358-UEN A
IP14560-1 v2
IP14931-1 v1
M13443-4 v11
Application manual