ABB Relion 670 Series Applications Manual page 430

Section 16
Logic
16.1.2.1 Three-pole tripping
Connect the inputs from the protection functions to the input TRINP_3P. The TMGAPC function
block is used to combine up to 32 inputs into one output. Connect the output TRIP to the binary
outputs on the IO board.
This signal can also be used for other purposes internally in the IED. An example could be the
starting of breaker failure protection. The three outputs TR_A, TR_B, TR_C will always be activated
at every trip and can be utilized on individual trip outputs if single-pole operating devices are
available on the circuit breaker even when a three-pole tripping scheme is selected.
Set the function block to
example,
The typical connection is shown below in figure 204.
BLOCK
BLKLKOUT
TRINP_3P
TRINP_A
TRINP_B
TRINP_C
PS_A
PS_B
PS_C
1PTRZ
1PTRGF
P3PTR
SETLKOUT
RSTLKOUT
CND
ANSI05000544 V4 EN-US
Figure 204: Tripping logic SMPPTRC (94) is used for a simple three-pole tripping application
16.1.2.2 Single- and/or three-pole tripping
The single-/three-pole tripping operation mode will give single-pole tripping for single-phase
faults and three-pole tripping for multi-phase fault. This operating mode is always used together
with a single-phase autoreclosing scheme.
The single-pole tripping can include different options and the use of the different inputs in the
function block. Inputs TRINP_A, TRINP_B and TRINP_C shall be used for trip signals from functions
with built-in pole selection logic such as distance or line differential protection functions.
The inputs 1PTRZ and 1PTRGF are used for single-pole tripping from functions which do not have
built-in pole selection logic:
• 1PTRZ can be connected to the carrier aided trip signal from the distance protection scheme
(it means that another distance protection function has seen or detected the fault)
• 1PTRGF can be connected to an earth fault function such as EF4PTOC or a carrier aided trip
signal from the earth fault protection scheme
These two inputs are combined with the external phase selection logic. Phase selection signals
from the external phase selector must be connected to the inputs PS_A, PS_B and PS_C to achieve
the tripping on the respective single-pole trip outputs TR_A, TR_B and TR_C. The output TRIP is a
general trip and is always activated independent of which phase is involved. Depending on which
phases are involved the outputs TR1P, TR2P and TR3P will be activated as well.
424
Program = 3 phase and set the required length of the trip pulse to for
tTripMin = 150ms .
SMPPTRC (94)
TRIP
TR_A
TR_B
TR_C
TR1P
TR2P
TR3P
CLLKOU T
BFI_3P
BFI_A
BFI_B
BFI_C
STN
FW
REV
ANSI05000707-4-en.vsdx
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