RET670 A25 – Voltage control 12AI (6I+6U)
TCM YLTC
84 ↑↓
C MMXU
MET I
TCM YLTC
84 ↑↓
DRP RDRE
DFR/SER DR
TRF1_W2_QA1
QA11
CCS SPVC
87 INd/I
Other Functions available from the function library
Optional Functions
LOV PTUV
27 3U<
ETP MMTR
MET W/Varh
VDC PTOV
60 Ud>
SMP PTRC
94 1 → 0
EF PIOC
50N IN>>
PH PIOC
50 3I>>
TCL YLTC
84 ↑↓
SDE PSDE
67N IN>
NS4 PTOC
46I2 4(I2>)
OC4 PTOC
51_67
4(3I>)
UV2 PTUV
27 2(3U<)
OV2 PTOV
59 2(3U>)
ROV2 PTOV
59N 2(U0>)
S SIMG
63
S CILO
3 Control
S CSWI
3 Control
S XSWI
3 Control
S XCBR
3 Control
BRC PTOC
46 Iub>
TR1 ATCC
90 ↑↓
TR8 ATCC
90 ↑↓
TR8 ATCC
90 ↑↓
C MSQI
MET Isqi
CV MMXN
P/QMET
CV MMXN
MET P/Q
C MSQI
MET Isqi
C MMXU
MET I
V MMXU
MET U
Q CBAY
3 Control
S SIML
71
EF4 PTOC
51N_67 N
4(IN>)
Q CRSV
3 Control
VD SPVC
60 Ud>
TRF1_W2_VT
TRF2_W2_VT
TRF1_W2_CT
TRF2_W2_CT
W1
W2
TRF1
W1
W2
TRF2
TRF2_W2_QA1
VN MMXU
MET UN
V MSQI
UsqiMET
VN MMXU
MET UN
V MMXU
MET U
V MSQI
UsqiMET
PMU REP
IEC07000192-4-en.vsdx
IEC07000192 V4 EN-US
Figure 3: Configuration diagram for configuration A25
3.1.1.3 Description of configuration B30
M15203-22 v5
This configuration is used in applications with two winding transformers in multi-
breaker arrangement on one or both sides. The protection scheme includes a 3–phase
1MRK 504 163-UUS A Section 3
Configuration
Transformer protection RET670 2.2 ANSI 63
Application manual