ABB RED650 - Page 110

IEC14000047 -1-en.ai
IEC14000047 V1 EN-US
Figure 48: Selectivity chart
Setting example with two transformers in the protected zone (master-
slave differential operation)
IEC13000295-2-en.vsdx
A
B
C
T
B
T
A
IED
IED
IED
IEC13000295 V2 EN-US
Figure 49: Master- slave differential operation
Setting
Station A Station B Station C
PDIF L3TCPDIF
NoOfUsedCTs 3
TraAOnInpCh 2
TraBOnInpCh 3
Section 6 1MRK 505 393-UEN B
Differential protection
104 Line differential protection RED650 2.2 IEC
Application manual