ABB RER620

Section 5 1MAC309294-MB F
Control functions
288 RER620
Technical Manual
Figure 144: Active phase determination
This feature is implemented by the SDAIGGIO block. It accepts trip / pickup signals from
a protection function and determines (based on settings) which phases are to be tripped. It
then generates one TRIP output, along with which phases are active.
The SDAIGGIO feature consists of the following three modes:
OPUP: (Only Picked Up Phases)
• For a phase fault, once a phase protection function generates a trip command, the
other phases are examined for a picked up state. If another phase is in a "picked up"
state, that phase is also issued a trip command.
• For a neutral fault, all the picked up phases are tripped. If no phase is picked up, then
all phases are tripped. The neutral picked up signal is not used.
• Reclose operations are synchronized between poles.
OOAP: (One Or All Phases)
• In this case, the trip decision is made in steps:
• First, the OPUP mode is used to determine which phase(s) will be tripped.
• Second, the state of poles is considered. A pole may already be open due to an earlier
trip (operate) / lockout or a manual / scada operation.
• If the decision in the first step will leave exactly one phase in a CLOSED state, then
that phase is also issued a trip command.
• As an example, consider the following sequence:
• “A” phase sees a fault; “B” and “C” were not picked up. Only the “A” phase is
tripped, and locks out after the reclose cycle.
CSWI
Protection
Trip / Pickup
CbPos_a
CbPos-b
CbPos_c
TripIn_A
TripOut
SDAIGGIO1
Active_A
TripIn_B
TripIn_C
PickupIn_A
PickupIn_B
PickupIn_C
TripIn_3P
Active_B
Active_C
TripIn_N
Active_3P
Settings:
SinglePhaseMode = APAT, OPUP or OOAP
Order Code
RecloserType = 1P or 3P
TripIn_A
TripOut
SDAIGGIO2 … 6
Active_A
TripIn_B
TripIn_C
PickupIn_A
PickupIn_B
PickupIn_C
TripIn_3P
Active_B
Active_C
TripIn_N
Active_3P
Six TripOut Signals,
to AutoRecloser
Protection
Trip / Pickup
Active_PhA
A
Active5_B
Active5_A
Active5_C
Active1_A
Active2_A
Active3_A
Active4_A
Active5_A
Active6_A
Active_PhB
B
Active1_B
Active2_B
Active3_B
Active4_B
Active5_B
Active6_B
Active_PhC
C
Active1_C
Active2_C
Active3_C
Active4_C
Active5_C
Active6_C
3P
Active1_3P
Active2_3P
Active3_3P
Active4_3P
Active5_3P
Active6_3P
Active5_3P
Active1_B
Active1_A
Active1_C
Active1_3P
Active2_B
Active2_A
Active2_C
Active2_3P
Active3_B
Active3_A
Active3_C
Active3_3P
Active4_B
Active4_A
Active4_C
Active4_3P
Active6_B
Active6_A
Active6_C
Active6_3P
Active_Ph3P
OR Logic