ABB RELION 670 SERIES Applications Manual page 103

1MRK 506 369-UUS -
Line distance protection REL670 2.2 ANSI
Application manual
Protected Object
L1 L2
R
IEC06000603 V4 EN
Protected Object
B C
A
R
6.6
ANSI06000603 V2 EN
Figure 25: Neutral point connected VT
IED
L3
1
Uo
6.6 kV
3
100 V
IED
13
14
15
16
17
18
19
20
1 21
22
23
Vo
24
kV
3
100 V
Section 4
Analog inputs
2
3
SMAI2
BLOCK
REVROT
# Not Used ^GRP2L1
# Not Used ^GRP2L2
# Not Used ^GRP2L3
^GRP2N
4
IEC06000603-4-en.vsdx
2
AI07 (I)
AI08 (I)
BLOCK
AI09 (I)
^GRP2_A
# Not Used
3
^GRP2_B
# Not Used
AI10 (V)
# Not Used ^GRP2_C
^GRP2N
AI11 (V)
TYPE
AI12 (V)
4
ANSI06000603-2-en.vsd
5
AI3P
AI1
AI2
AI3
AI4
AIN
5
SMAI2
AI3P
AI1
AI2
AI3
AI4
AIN
97