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Section 3
Control
3.1
Apparatus control
IP14560-1 v3
The apparatus control is a functionality for control and supervising of circuit breakers,
disconnectors, and earthing switches within a bay.
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, SCSWI, SXCBR, and SXSWI.
Features in the apparatus control function:
•
Operation of primary apparatuses
•
Selection and supervision of operator place
•
Block/deblock of operation
•
Block/deblock of updating of position indications
•
Substitution of position indications
•
Pole discordance supervision
•
Operation counter
•
Suppression of mid position
The apparatus control function is realized by means of a number of function blocks
designated:
•
Switch controller SCSWI
•
Circuit breaker SXCBR
•
Circuit switch SXSWI
•
Position evaluation POS_EVAL
•
Bay control QCBAY
•
Local remote LOCREM
3.1.1
Bay control QCBAY
M16595-3 v10
The Bay control (QCBAY) is used to handle the selection of the operator place per bay. The
function gives permission to operate from two main types of locations either from Remote
(for example, control centre) or from all (Local and Remote). The Local/Remote switch position
can also be set to Off, which means no operator place selected that is, operation is not
possible either from local or from remote.
For IEC 61850-8-1 communication, the Bay Control function can be set to discriminate between
commands with orCat station and remote (2 and 3). The selection is then done through the IEC
61850-8-1 edition 2 command LocSta.
QCBAY also provides blocking functions that can be distributed to different apparatuses
within the bay. There are two different blocking alternatives:
•
Blocking of update of positions
•
Blocking of commands
1MRK 511 445-UEN B
Section 3
Control
Switchgear control unit SAM600-IO
19
Application manual
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