Description Of Configuration A10 - ABB RET670 Product Manual

Transformer protection RET670 2.0
Product version: 2.0

Description of configuration A10

W1_QB1 W1_QB2
W1_QA1
W1
W3
W2
W3_QA1
WA1
W2_QA1
WA1
Other Functions available from the function library
87 Id> 87N
HZ PDIF REF PDIF
MET UN MET
V MSQI CV MMXN
Optional Functions
46I2 4(I2>)
27
NS4 PTOC
UV2 PTUV
S SCBR
IEC07000191 V4 EN
Figure 5. Configuration diagram for configuration A10
8
WA1
WA2
1 → 0
94 DFR/SER DR
SMP PTRC DRP RDRE
W1_CT
50BF 3I>BF
CC RBRF OC4 PTOC
1 → 0
94
SMP PTRC
W3_CT
50BF 3I>BF
CC RBRF OC4 PTOC
W2_CT
50BF 3I>BF
CC RBRF OC4 PTOC
1 → 0
94
W2_VT
SMP PTRC
MET UN
W2_WA1_VT
VN MMXU SES RSYN
IdN/I 46 Iub> 67N IN>
BRC PTOC SDE PSDE
P/Q 63 71
S SIMG S SIML
59N 2(U0>)
2(3U<) 59 2(3U>)
ROV2 PTOV
OV2 PTOV
RET670 A10 – Transformer backup protection
51 4(3I>) 50 3I>> 50N IN>>
PH PIOC EF PIOC
MET I
C MMXU
51 4(3I>) 51N 4(IN>) MET I
EF4 PTOC C MMXU
51 3I> 51N 4(IN>) MET I
EF4 PTOC C MMXU
25 SC/VC MET UN
VN MMXU
27 3U< 60 Ud> MET W/Varh
LOV PTUV VDC PTOV ETP MMTR
3 Control
Q CBAY
81 df/dt<>
81 f< 81 f>
SA PFRC
SA PTUF SA PTOF
1MRK 504 141-BEN C
12AI (9I+3U)
51N 4(IN>)
EF4 PTOC
MET Isqi
C MSQI
MET Isqi
C MSQI
MET Isqi
C MSQI
θ>
49
TR PTTR
MET U
V MMXU
60 Ud>
VD SPVC
IEC07000191-3-en.vsd
ABB