ABB RELION 615 Series Applications Manual page 52

Section 3
REG615 standard configurations
46
ARCSARC1_OPERATE
ARCSARC2_OPERATE
ARCSARC3_OPERATE
GUID-D7C4E547-847F-47F4-8CFD-C1CD888033B3 V2 EN
Figure 22: Arc protection function
ARCSARC1_OPERATE
X120_BI3_RST_LOCKOUT
ARCSARC2_OPERATE
X120_BI3_RST_LOCKOUT
ARCSARC3_OPERATE
X120_BI3_RST_LOCKOUT
GUID-7FC9DED3-9F34-419D-9940-F19C5644B9E0 V2 EN
Figure 23: Arc protection with dedicated HSO
Two overvoltage and undervoltage protection stages PHPTOV and PHPTUV each
offer protection against abnormal phase voltage conditions. Positive-sequence
undervoltage PSPTUV and negative-sequence overvoltage NSPTOV protection
functions enable voltage-based unbalance protection. A failure in the voltage
measuring circuit is detected by the fuse failure function. The activation is connected
to block the undervoltage protection functions and the voltage-based unbalance
protection functions to avoid faulty tripping.
ARCSARC1(ARC(1)
BLOCK OPERATE
REM_FLT_ARC ARC_FLT_DET
OPR_MODE
ARCSARC2(ARC(2)
BLOCK OPERATE
REM_FLT_ARC ARC_FLT_DET
OPR_MODE
ARCSARC3(ARC(3)
BLOCK OPERATE
REM_FLT_ARC ARC_FLT_DET
OPR_MODE
OR6
B1 O
B2
B3
B4
B5
B6
TRPPTRC3(Master
BLOCK TRIP
OPERATE CL_LKOUT
RST_LKOUT
TRPPTRC4(Master
BLOCK TRIP
OPERATE CL_LKOUT
RST_LKOUT
TRPPTRC5(Master
BLOCK TRIP
OPERATE CL_LKOUT
RST_LKOUT
1MRS758272 B
ARCSARC1_OPERATE
ARCSARC1_ARC_FLT_DET
ARCSARC2_OPERATE
ARCSARC2_ARC_FLT_DET
ARCSARC3_OPERATE
ARCSARC3_ARC_FLT_DET
ARC_OPERATE
TRPPTRC3_TRIP
TRPPTRC4_TRIP
TRPPTRC5_TRIP
REG615
Application Manual