ABB RELION 615 Series Applications Manual page 83

Feeder protection and control relay
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1MAC109016-MB C
REF615 ANSI
Application Manual
EFPADM1_21YN-1_TRIP
EFPADM2_21YN-2_TRIP
EFPADM3_21YN-3_TRIP
GUID-70662C28-1D88-4880-9980-52E13F85D11A V1 EN
Figure 61:
Admittance-based ground-fault protection function
Phase discontinuity protection PDNSPTOC1_46PD protects for interruptions in the
normal three-phase load supply, for example, in downed conductor situations. The
function is blocked in case of detection of a failure in secondary circuit of voltage
transformer.
CCSPVC1_CCM_FAIL
GUID-DC0123F0-F3C2-42C0-8CC5-8BD4B3AB65D2 V1 EN
Figure 62:
Phase discontinuity protection
Three-phase thermal protection for feeders, cables and distribution transformers
T1PTTR1_49F-1 detects overloads under varying load conditions. The BLK_CLOSE
output of the function is used to block the closing operation of circuit breaker.
GUID-891DC1E3-EEBB-42CD-8EB5-D7E5C94277B0 V1 EN
Figure 63:
Thermal overcurrent protection function
REF615 standard configurations
EFPADM1
BLOCK
TRIP
RELEASE
PICKUP
O:47|T:5|I:1
EFPADM2
BLOCK
TRIP
RELEASE
PICKUP
O:19|T:5|I:2
EFPADM3
BLOCK
TRIP
RELEASE
PICKUP
O:20|T:5|I:3
OR6
B1
O
B2
B3
B4
B5
B6
O:125|T:2.5|I:57
PDNSPTOC1
BLOCK
TRIP
PICKUP
O:33|T:5|I:1
T1PTTR1
BLOCK
TRIP
ENA_MULT
PICKUP
AMB_TEMP
ALARM
BLK_CLOSE
O:70|T:5|I:1
Section 3
EFPADM1_21YN-1_TRIP
EFPADM1_21YN-1_PICKUP
EFPADM2_21YN-2_TRIP
EFPADM2_21YN-2_PICKUP
EFPADM3_21YN-3_TRIP
EFPADM3_21YN-3_PICKUP
EFPADM_TRIP
PDNSPTOC1_46PD_TRIP
PDNSPTOC1_46PD_PICKUP
T1PTTR1_49F-1_TRIP
T1PTTR1_49F-1_PICKUP
T1PTTR1_49F-1_ALARM
T1PTTR1_49F-1_BLK_CLOSE
77

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