ABB RES670 Applications Manual page 78

Section 4
Analog inputs
6.6
6.6 kV
3
110 V
3
6.6 kV
3
110 V
3
IEC06000601 V4 EN-US
Figure 22: Open delta connected VT in high impedance earthed power system
72
L1
L2
L3
kV
3
110 V
3
IED
2
1
+3Uo
1MRK 511 407-UEN C
3
SMAI2
BLOCK
REVROT
^GRP2L1
# Not Used
^GRP2L2
# Not Used
^GRP2L3
# Not Used
^GRP2N
4
IEC06000601-4-en.vsdx
Phasor measurement unit RES670 2.2 IEC
Application manual
5
AI3P
AI1
AI2
AI3
AI4
AIN