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Line distance protection REL670
Version 2.2
Description of configuration A41
QB1
QB2
QA1
QB9
Other Functions available from the function library
50
3I>
67 INC1/I
BR PTOC
CCS SPVC
26
FLT MMXU
LF PTTR
50STB
27
2(3U<)
3I>STB
STB PTOC
UV2 PTUV
Optional Functions
ITHD
ITHD
CHM MHAI
PMU REP
IEC16000195 V4 EN-US
Figure 1. Block diagram for configuration A41
Hitachi Energy
WA1
WA2
WA2_VT
3
Control
S XCBR
WA1_VT
> → TEF
67NT
I
O
AP PTEF
LINE_CT
Control
Control
Control
S SCBR
S SCBR
S SCBR
ZCV PSOF
DFR/SER DR
DRP RDRE
QC9
LINE_VT
MET
U
V MMXU
52PD
PD
2(I>/U<)
CC PDSC
CV GAPC
θ>
46I2
4(I2>)
59
2(3U>)
NS4 PTOC
OV2 PTOV
51V
85
2(I>/U<)
VR PVOC
ZC PSCH
51TF
3
Control
PTR STHR
Q CRSV
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REL670 A41 – Single breaker with three phase tripping for high ohmic and
resonance earthed systems 12AI (6I+6U)
63
71
S SIMG
S SIML
MET
UN
94
94
1→0
1->0
VN MMXU
SMP PTRC
SMP PTRC
21
Z<
PPL2 PHIZ
ZMF PDIS
68
Zpsb
ZCLC PSCH
ZMBU RPSB
U>/I<
MET
P/Q
FUF SPVC
CV MMXN
21FL
FL
MET
W/Varh
LMB RFLO
ETP MMTR
MET
Usqi
MET
UN
V MSQI
VN MMXU
7
71
DELTAI
7V_78V DELTAU
DELI SPVC
DELV SPVC
DEL SPVC
Zpsl
3
Control
81
PSL PSCH
Q CBAY
SA PFRC
85
ZCRW PSCH
3
Control
3
Control
3
S CILO
S CSWI
S XSWI
1MRK 506 372-BEN Q
GUID-E5AFA7F9-AA08-48B1-9ABA-B6A9A0B9BE1E v2
MET
UN
VN MMXU
79
25
SC/VC
5(0→1)
SMB RREC
SES RSYN
50
3I>>
46
Iub>
PH PIOC
BRC PTOC
θ>
50BF 3I>BF
26
CC RBRF
LC PTTR
51_67 4(3I>)
67N
IN>
OC4 PTOC
SDE PSDE
MET
Isqi
MET
I
C MSQI
C MMXU
27
3U<
59N 2(U0>)
LOV PTUV
ROV2 PTOV
4(IN>)
50N
IN>>
DELTA
51N_67N
EF4 PTOC
EF PIOC
df/dt<>
81
f>
81
f<
SA PTOF
SA PTUF
Control
60
Ud>
VTHD UTHD
VD SPVC
VHM MHAI
IEC16000195-4-en.vsd
9
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