ABB Relion 670 series - Interlocking for bus-section disconnector A1 A2_DC (3); Introduction; Function block

Name Type Description
VPS1S2TR BOOLEAN Status of the apparatuses between bus section 1 and
2 are valid
VPQB1TR BOOLEAN Switch status of 189 is valid (open or closed)
VPQB2TR BOOLEAN Switch status of 289 is valid (open or closed)
12.4.6 Interlocking for bus-section disconnector A1A2_DC (3)
12.4.6.1 Introduction
The interlocking for bus-section disconnector (A1A2_DC, 3) function is used for one
bus-section disconnector between section 1 and 2 according to figure 361. A1A2_DC (3)
function can be used for different busbars, which includes a bus-section disconnector.
WA1 (A1) WA2 (A2)
189G
289G
A1A2_DC
en04000492_ansi.vsd
52
ANSI04000492 V1 EN
Figure 361: Switchyard layout A1A2_DC (3)
12.4.6.2 Function block
ANSI05000349-2-en.vsd
A1A2_DC (3)
089_OP
089_CL
S189G_OP
S189G_CL
S289G_OP
S289G_CL
S1DC_OP
S2DC_OP
VPS1_DC
VPS2_DC
EXDU_89G
EXDU_BB
089C_EX1
089C_EX2
089O_EX1
089O_EX2
089O_EX3
089OPREL
089OPITL
089CLREL
089CLITL
DCOPTR
DCCLTR
VPDCTR
ANSI05000349 V2 EN
Figure 362: A1A2_DC (3) function block
Section 12 1MRK505222-UUS C
Control
702
Technical reference manual