ABB RELION RET670 - Page 67

RET670 A10 – Transformer backup protection
12AI (9I+3U)
W2_QA1
W1_QB2W1_QB1
W3_QA1
W1_QA1
W1
W2
W3
PH PIOC
50 3I>>
OC4 PTOC
51 4(3I>)
CC RBRF
50BF 3I>BF
OC4 PTOC
51 4(3I>)
CC RBRF
50BF 3I>BF
OC4 PTOC
51 3I>
CC RBRF
50BF 3I>BF
SMP PTRC
94 1 → 0
SMP PTRC
94 1 → 0
C MSQI
MET Isqi
C MMXU
MET I
TR PTTR
49 θ>
C MSQI
MET Isqi
SMP PTRC
94 1 → 0
DRP RDRE
DFR/SER DR
EF4 PTOC
51N 4(IN>)
C MMXU
MET I
C MMXU
MET I
EF PIOC
50N IN>>
VN MMXU
MET UN
WA1
WA2
W1_CT
W3_CT
W2_CT
W2_VT
W2_WA1_VT
WA1
WA1
EF4 PTOC
51N 4(IN>)
Other Functions available from the function library
Optional Functions
V MSQI
MET UN
ETP MMTR
MET W/Varh
V MMXU
MET U
LOV PTUV
27 3U<
SDE PSDE
67N IN>
HZ PDIF
87 Id>
ROV2 PTOV
59N 2(U0>)
NS4 PTOC
46I2 4(I2>)
SA PFRC
81 df/dt<>
SA PTOF
81 f>
SA PTUF
81 f<
UV2 PTUV
27
2(3U<)
OV2 PTOV
59 2(3U>)
REF PDIF
87N IdN/I
VDC PTOV
60 Ud>
BRC PTOC
46 Iub>
VD SPVC
60 Ud>
Q CBAY
3 Control
VN MMXU
MET UN
EF4 PTOC
51N 4(IN>)
SES RSYN
25 SC/VC
CV MMXN
MET P/Q
IEC07000191-5-en.vsdx
S SCBR
Control
S SCBR
Control
S SCBR
3 Control
S SCBR
Control
S SCBR
Control
S SCBR
3 Control
S XCBR
3 Control
S XCBR
3 Control
S XCBR
3 Control
S SIMG
63
S SIML
71
CC PDSC
52PD PD
CC PDSC
52PD PD
CC PDSC
52PD PD
FUF SPVC
U>/I<
PMU REP
GOP PDOP
32 P>
GUP PDUP
37 P<
OEX PVPH
24 U/f>
STB PTOC
50STB 3I>STB
VR PVOC
51V
2(I>/U<)
C MSQI
MET Isqi
S SCBR
Control
S SCBR
Control
S SCBR
3 Control
IEC07000191 V5 EN-US
Figure 2: Configuration diagram for configuration A10
1MRK 504 163-UUS A Section 3
Configuration
Transformer protection RET670 2.2 ANSI 61
Application manual