ABB RELION 670 SERIES Applications Manual page 100

Section 4
Analog inputs
138
138 kV
3
115 V
3
138 kV
3
115 V
3
ANSI06000602 V2 EN
Figure 24: Open delta connected VT in low impedance or solidly grounded power system
94
A
B
C
kV
3
115 V
3
IED
2
13
AI07 (I)
14
15
AI08 (V)
16
17
AI09 (V)
18
1 3
19
AI10 (V)
20
21
+3Vo
AI11 (V)
22
23
AI12 (V)
24
1MRK 506 369-UUS -
SMAI2
BLOCK
^GRP2_A
# Not Used
# Not Used
^GRP2_B
# Not Used ^GRP2_C
^GRP2N
TYPE
4
ANSI06000602-2-en.vsd
Line distance protection REL670 2.2 ANSI
Application manual
5
AI3P
AI1
AI2
AI3
AI4
AIN