Identification - ABB Relion Technical Manual

1MRK 502 048-UUS A
12.3.8.1
12.3.8.2
Technical manual

Identification

Function description
Interlocking for double CB bay
Interlocking for double CB bay
Interlocking for double CB bay
Functionality
The interlocking for a double busbar double circuit breaker bay including DB_BUS_A
(3), DB_BUS_B (3) and DB_LINE (3) functions are used for a line connected to a double
busbar arrangement according to figure 193.
189
189G
DB_BUS_A 152
289G
6189
989
989G
ANSI04000518 V1 EN
Figure 193: Switchyard layout double circuit breaker
Three types of interlocking modules per double circuit breaker bay are defined.
DB_BUS_A (3) handles the circuit breaker QA1 that is connected to busbar WA1 and the
disconnectors and earthing switches of this section. DB_BUS_B (3) handles the circuit
breaker QA2 that is connected to busbar WA2 and the disconnectors and earthing
switches of this section.
IEC 61850 IEC 60617
identification identification
DB_BUS_A -
DB_BUS_B -
DB_LINE -
WA1 (A)
WA2 (B)
289
489G
252
589G
6289
389G
en04000518_ansi.vsd
Section 12
Control
ANSI/IEEE C37.2
device number
3
3
3
DB_BUS_B
DB_LINE
415