10.3.10.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Interlocking for transformer bay
AB_TRAFO
-
3
10.3.10.2
Functionality
The interlocking for transformer bay (AB_TRAFO) function is used for a transformer
bay connected to a double busbar arrangement according to figure
. The function
is used when there is no disconnector between circuit breaker and transformer.
Otherwise, the interlocking for line bay (ABC_LINE) function can be used. This
function can also be used in single busbar arrangements.
QB1
QB2
QC1
QA1
QC2
WA1 (A)
WA2 (B)
QA2
QC3
T
QC4
QB4
QB3
QA2 and QC4 are not
used in this interlocking
AB_TRAFO
en04000515.vsd
IEC04000515 V1 EN
Figure 105:
Switchyard layout AB_TRAFO
1MRK 505 288-UEN A
Section 10
Control
245
Technical manual
Содержание Relion 650 Series REB650
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