ABB REL670 2.2 IEC - Page 85

L1
IL1
IL2 IL3
L2 L3
Protected Object
IED
CT 600/5
in Delta
DAB Connected
IL1-IL2
IL2-IL3
IL3-IL1
1
2
3
4
IEC11000027-3-en.vsdx
SMAI2
BLOCK
REVROT
^GRP2L1
^GRP2L2
^GRP2L3
^GRP2N
AI3P
AI1
AI2
AI3
AI4
AIN
IEC11000027 V3 EN-US
Figure 16: Delta DAB connected three-phase CT set
1MRK 506 369-UEN B Section 4
Analog inputs
Line distance protection REL670 2.2 IEC 79
Application manual