ABB relion REF615 - Page 309

DARREC1
INIT_1
INIT_2
INIT_3
INIT_4
INIT_5
INIT_6
DEL_INIT_2
DEL_INIT_3
DEL_INIT_4
BLK_RECL_T
BLK_RCLM_T
BLK_THERM
CB_POS
CB_READY
INC_SHOTP
INHIBIT_RECL
RECL_ON
SYNC
OPEN_CB
CLOSE_CB
CMD_WAIT
INPRO
LOCKED
PROT_CRD
UNSUC_RECL
AR_ON
READY
ACTIVE
OR6
B1
B2
B3
B4
B5
B6
O
OR6
B1
B2
B3
B4
B5
B6
O
OR
B1
B2
O
DARREC1_OPEN_CB
DARREC1_CLOSE_CB
X130_BI3_CB_OPENED
X110_BI3_GAS_PRESSURE_ALARM
X110_BI4_CB_SPRING_CHARGED
SECRSYN1_SYNC_OK
PHIPTOC1_OPERATE
PHHPTOC1_OPERATE
EFLPTOC1_OPERATE
EFHPTOC1_OPERATE
ARCSARC1_OPERATE
ARCSARC2_OPERATE
ARCSARC3_OPERATE
NSPTOC1_OPERATE
NSPTOC2_OPERATE
T1PTTR1_OPERATE
CBXCBR1_SELECTED
DARREC1_INPRO
DARREC1_UNSUC_RECL
GUID-873C22AC-CAFC-429D-AD5B-A1CA03F9E526 V1 EN
Figure 460: Overvoltage protection function
PHPTUV1
BLOCK OPERATE
START
PHPTUV2
BLOCK OPERATE
START
OR
B1
B2
O
PHPTUV1_OPERATE
PHPTUV1_OPERATE
PHPTUV2_OPERATE
PHPTUV2_OPERATE
PHPTUV1_START
PHPTUV2_START
SEQSPVC1_FUSEF_U
SEQSPVC1_FUSEF_U
PHPTUV_OPERATE
Grouped function operate
GUID-F2B553C3-1F96-411C-A8A5-197147FD8399 V2 EN
Figure 461: Undervoltage protection function
The residual overvoltage protection ROVPTOV provides earth fault protection by
detecting an abnormal level of residual voltage. It can be used, for example, as a
nonselective backup protection for the earth-fault functionality.
1MRS756378 S Section 3
REF615 standard configurations
REF615 303
Application Manual