ABB Relion 670 Series Product Manual page 18

Line differential protection RED670 2.0
Product version: 2.0
IEC 61850 ANSI
ZCLCPSCH
ECPSCH 85
ECRWPSCH 85
DTT
1) Only included for 9-2LE products
18
Function description
Local acceleration logic
Scheme communication logic for residual
overcurrent protection
Current reversal and weak-end infeed
logic for residual overcurrent protection
Direct transfer trip
Line Differential
RED670
0-1 1-B11
0-1 1-C24
0-1 1-C24
0-1
1MRK505310-BEN C
1-B11 1-B11 1-B11
1-C24 1-C24 1-C24
1-C24 1-C24 1-C24
ABB