14.2.5.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Interlocking for bus-section breaker A1A2_BS - 3
14.2.5.2 Functionality
The interlocking for bus-section breaker (A1A2_BS) function is used for one bus-
section circuit breaker between section 1 and 2 according to figure 311. The function
can be used for different busbars, which includes a bus-section circuit breaker.
QA1
WA1 (A1)
QB2
QC4
QB1
QC3
WA2 (A2)
en04000516.vsd
QC2QC1
A1A2_BS
IEC04000516 V1 EN
Figure 311: Switchyard layout A1A2_BS
1MRK502052-UEN B Section 14
Control
651
Technical manual