switch on the other side of the transformer, if there is no disconnector between CB
and transformer.
•
Circuit breaker opening is only interlocked in a bus-coupler bay, if a bus bar
transfer is in progress.
To make the implementation of the interlocking function easier, a number of
standardized and tested software interlocking modules containing logic for the
interlocking conditions are available:
•
Line for double and transfer busbars, ABC_LINE
•
Bus for double and transfer busbars, ABC_BC
•
Transformer bay for double busbars, AB_TRAFO
•
Bus-section breaker for double busbars, A1A2_BS
•
Bus-section disconnector for double busbars, A1A2_DC
•
Busbar earthing switch, BB_ES
•
Double CB Bay, DB_BUS_A, DB_LINE, DB_BUS_B
•
1 1/2-CB diameter, BH_LINE_A, BH_CONN, BH_LINE_B
The interlocking conditions can be altered, to meet the customer specific
requirements, by adding configurable logic by means of the graphical configuration
tool PCM600. The inputs Qx_EXy on the interlocking modules are used to add these
specific conditions.
The input signals EXDU_xx shall be set to true if there is no transmission error at the
transfer of information from other bays. Required signals with designations ending in
TR are intended for transfer to other bays.
14.2.3
Logical node for interlocking SCILO
14.2.3.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Logical node for interlocking
SCILO
-
3
14.2.3.2
Functionality
The Logical node for interlocking SCILO function is used to enable a switching
operation if the interlocking conditions permit. SCILO function itself does not
provide any interlocking functionality. The interlocking conditions are generated in
separate function blocks containing the interlocking logic.
1MRK502052-UEN B
Section 14
Control
647
Technical manual
Содержание Relion REG670
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