ABB Relion 620 Series Applications Manual page 47

1MAC308145-MB E
RER620
Application Manual
PSPTOV2_59PS-2_OPERATE
PSPTOV1_59PS-1_OPERATE
NSPTOV1_47-1_OPERATE
SPHPTOV1_59-1_OPERATE
NSPTOV2_47-2_OPERATE
SPHPTOV2_59-2_OPERATE
SPHPTOV3_59-3_OPERATE
SPHPTUV1_27-1_OPERATE
SPHPTUV2_27-2_OPERATE
SPHPTUV3_27-3_OPERATE
ROVPTOV1_59N-1_OPERATE
ROVPTOV2_59N-2_OPERATE
Figure 22: Voltage protection LED indication
FRPFRQ2(81-2;f>
BLOCK TRIP
OPR_OFRQ
OPR_UFRQ
OPR_FRG
PICKUP
ST_OFRQ
ST_UFRQ
ST_FRG
Figure 23: Frequency protection
LSHDPFRQ1(81S-1
BLOCK TRIP
BLK_REST OPR_FRQ
MAN_RESTORE OPR_FRG
PICKUP
ST_FRQ
ST_FRG
RESTORE
ST_REST
Figure 24: Load shed and restoration functions
OR6
B1 O
B2
B3
B4
B5
B6
B1
B2
OR6
B1 O
B2
B3
B4
B5
B6
FRPFRQ1(81-1;f>
BLOCK
FRPFRQ2_81-2_OPERATE
LSHDPFRQ2(81S-2
BLOCK
LSHDPFRQ1_81S-1_OPERATE
BLK_REST
MAN_RESTORE
Section 3
RER620 application
OR
O
LED6_VOLTAGE_OPERATE
TRIP
FRPFRQ1_81-1_OPERATE
OPR_OFRQ
OPR_UFRQ
OPR_FRG
PICKUP
ST_OFRQ
ST_UFRQ
ST_FRG
TRIP
LSHDPFRQ2_81S-2_OPERATE
OPR_FRQ
OPR_FRG
PICKUP
ST_FRQ
ST_FRG
RESTORE
ST_REST
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