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PHIPTOC1
BLOCK
ENA_MULT
OPERATE
START
PHLPTOC1
BLOCK
ENA_MULT
OPERATE
START
PHHPTOC1
BLOCK
ENA_MULT
OPERATE
START
PHHPTOC2
BLOCK
ENA_MULT
OPERATE
START
OR6
B1
B2
B3
B4
B5
B6
O
PHIPTOC1_OPERATE
PHIPTOC1_OPERATE
PHLPTOC1_OPERATE
PHLPTOC1_OPERATE
PHHPTOC1_OPERATE
PHHPTOC1_OPERATE
PHHPTOC2_OPERATE
PHHPTOC2_OPERATE
PHLPTOC1_START
PHHPTOC1_START
PHHPTOC2_START
PHIPTOC1_START
X120_BI1_EXT_OC_BLOCKING
PHxPTOC_OPERATE
GUID-FED7D122-DE13-4004-8273-906D289F7EBA V1 EN
Figure 98:
Overcurrent protection functions
The output
BLK2H
of three-phase inrush detector INRPHAR1 enables either
blocking the function or multiplying the active settings for any of the available
overcurrent or earth-fault function blocks.
INRPHAR1
BLOCK
BLK2H
INRPHAR1_BLK2H
GUID-D54BF44E-9EBD-4C83-ABDD-49BB5BB6373E V1 EN
Figure 99:
Inrush detector function
Two negative-sequence overcurrent protection stages NSPTOC1 and NSPTOC2 are
provided for phase unbalance protection. These functions are used to protect the
feeder against phase unbalance.
Section 3
1MRS756378 S
REF615 standard configurations
102
REF615
Application Manual
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