ABB RET670 Applications Manual page 597

1MRK504116-UUS C
Application manual
Fuse
VT
bus1 Voltage
VREF1
Fuse
VT
bus 2Voltage
VREF2
Fuse
line 1 Voltage
VT
1/2/3
VA/VB/VC
Fuse
VT
line 2 Voltage
VREF3
ANSI10000097 V1 EN
Figure 230: Connections of the SESRSYN (25) function block in a breaker-and-a-
half arrangement with internal voltage selection for the line 1 IED
Bus 1
Bus 2
189
189
152
152
289
289
152
6189 6289
989
Line 1
Line 2
IED application
SESRSYN (25)
V3PB1*
V3PB2* AUTOSYOK
V3PL1* AUTOENOK
V3PL2* MANSYOK
BLOCK MANENOK
BLKSYNCH TSTSYNOK
BLKSC TSTAUTSY
BLKENERG TSTMANSY
BUS1_OP TSTENOK
BUS1_CL
BUS2_OP
BUS2_CL
LINE1_OP
LINE1_CL
LINE2_OP SYNPROGR
LINE2_CL
VB1OK
VB1FF VDIFFSYN
VB2OK FRDIFSYN
VB2FF FRDIFFOK
VL1OK FRDERIVA
VL1FF
VL2OK
VL2FF
STARTSYN
TSTSYNCH
TSTSC
TSTENERG INADVCLS
AENMODE
989
MENMODE FRDIFFME
PHDIFFME
MODEAEN
MODEMEN
SESRSYN (25)
V3PB1*
V3PB2* AUTOSYOK
V3PL1* AUTOENOK
V3PL2* MANSYOK
BLOCK MANENOK
BLKSYNCH TSTSYNOK
BLKSC TSTAUTSY
BLKENERG TSTMANSY
BUS1_OP
BUS1_CL
BUS2_OP
BUS2_CL
LINE1_OP
LINE1_CL
LINE2_OP SYNPROGR
LINE2_CL
VB1OK
VB1FF VDIFFSYN
VB2OK FRDIFSYN
VB2FF FRDIFFOK
VL1OK FRDERIVA
VL1FF
VL2OK
VL2FF
STARTSYN
TSTSYNCH
TSTSC
TSTENERG INADVCLS
AENMODE
MENMODE FRDIFFME
PHDIFFME
MODEAEN
MODEMEN
ANSI10000097-1-en.vsd
Section 3
Bus 1 CB
SYNOK
VSELFAIL
B1SEL
B2SEL
L1SEL
L2SEL
SYNFAIL
VOKSYN
VOKSC
VDIFFSC
FRDIFFA
PHDIFFA
FRDIFFM
PHDIFFM
VDIFFME
Vbus
VLine
SYNOK
TSTENOK
VSELFAIL
B1SEL
B2SEL
L1SEL
L2SEL
SYNFAIL
VOKSYN
VOKSC
VDIFFSC
FRDIFFA
PHDIFFA
FRDIFFM
PHDIFFM
VDIFFME
Vbus
VLine
Tie CB
591