ABB RELION 615 Series Applications Manual page 46

Section 3
REV615 standard configurations
40
CCSPVC1_FAIL
CCSPVC1_FAIL
NSPTOC1_OPERATE
NSPTOC2_OPERATE
GUID-5D442EE5-77B1-46F7-B8D8-B846D6DEF541 V2 EN
Figure 14: Negative-sequence overcurrent protection function
Four stages are provided for earth-fault protection. Three stages are dedicated for
directional earth-fault protection.
DEFHPDEF1_OPERATE
DEFLPDEF2_OPERATE
DEFLPDEF1_OPERATE
EFHPTOC1_OPERATE
GUID-E57792A0-0380-4B27-AB24-8EB001BABA8F V1 EN
Figure 15: Earth-fault protection functions
NSPTOC1
BLOCK OPERATE
ENA_MULT START
NSPTOC2
BLOCK OPERATE
ENA_MULT START
OR
B1 O
B2
DEFHPDEF1
BLOCK OPERATE
ENA_MULT START
RCA_CTL
DEFLPDEF1
BLOCK OPERATE
ENA_MULT START
RCA_CTL
DEFLPDEF2
BLOCK OPERATE
ENA_MULT START
RCA_CTL
EFHPTOC1
BLOCK OPERATE
ENA_MULT START
OR6
B1 O
B2
B3
B4
B5
B6
1MRS758955 A
NSPTOC1_OPERATE
NSPTOC1_START
NSPTOC2_OPERATE
NSPTOC2_START
NSPTOC_OPERATE
DEFHPDEF1_OPERATE
DEFHPDEF1_START
DEFLPDEF1_OPERATE
DEFLPDEF1_START
DEFLPDEF2_OPERATE
DEFLPDEF2_START
EFHPTOC1_OPERATE
EFHPTOC1_START
EF_OPERATE
REV615
Application Manual