ABB relion REF615 - Page 270

earth-fault protection or for cable intermittent earth-fault protection in compensated
networks.
DEFLPDEF2
BLOCK
ENA_MULT
RCA_CTL
OPERATE
START
DEFLPDEF1
BLOCK
ENA_MULT
RCA_CTL
OPERATE
START
DEFHPDEF1
BLOCK
ENA_MULT
RCA_CTL
OPERATE
START
DEFHPDEF1_OPERATE
DEFLPDEF1_OPERATE
DEFLPDEF2_OPERATE
DEFLPDEF1_START
DEFLPDEF2_START
DEFHPDEF1_START
OR6
B1
B2
B3
B4
B5
B6
O
DEFHPDEF1_OPERATE
DEFLPDEF1_OPERATE
DEFLPDEF2_OPERATE
DEFxPDEF_OPERATE
GUID-935D2178-A838-4D7B-BB64-98F1AEB3150A V1 EN
Figure 391: Directional earth-fault protection function
INTRPTEF1
BLOCK OPERATE
START
BLK_EF
INTRPTEF1_OPERATE
INTRPTEF1_START
GUID-D4BE5EE6-0CD3-417E-99C6-88CE3B942A73 V1 EN
Figure 392: Transient or intermittent earth-fault protection function
Section 3 1MRS756378 S
REF615 standard configurations
264 REF615
Application Manual