Single-, Two- Or Three-Phase Tripping - ABB REG670 Applications Manual

Relion 670 series generator protection
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Section 16
Logic
16.1.2.3
16.1.2.4
602
Protection functions with 3
phase trip, for example time
delayed overcurrent protection
Phase segregated trip L1, L2 and L3
from example line differential or
distance protection
Phase selection L1, L2 and L3 from
external phase selection logic
Trip by communication scheme of
distance protection if required to
provide a single pole trip
Trip by communication scheme of
earth fault protection if required to
provide a single pole trip
SMBRREC
To prepare 3 phase trip
for any trip signal
TR3P
To activate lockout for any trip
To reset lockout
IEC05000545 V4 EN
Figure 302:
The trip logic function SMPPTRC used for single-phase tripping
application

Single-, two- or three-phase tripping

The single-/two-/three-phase tripping mode provides single-phase tripping for single-
phase faults, two-phase tripping for two-phase faults and three-phase tripping for
three-phase faults. The operating mode is always used together with an autoreclosing
scheme with setting ARMode = 1/2/3 ph or ARMode = 1/2 ph.
The functionality is very similar to the single-phase scheme described above.
However, in addition to the connections for single phase above, SMBRREC must also
be informed that the trip is two phases by connecting the output TR2P to the input
TR2P in the SMBRREC function.
Lock-out
The SMPPTRC function block is provided with possibilities to initiate lock-out. The
lock-out can be set to only activate the block closing output CLLKOUT or initiate the
block closing output and also maintain the trip signal output TR3P (latched trip).
Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062
OR
PREP3P
1MRK 502 071-UEN -
SMPPTRC
TRIP
BLOCK
BLKLKOUT
TRL1
TRIN
TRL2
TRINL1
TRL3
TRINL2
TR1P
TRINL3
TR2P
PSL1
TR3P
PSL2
CLLKOUT
PSL3
START
1PTRZ
STL1
1PTREF
STL2
P3PTR
STL3
SETLKOUT
FW
RSTLKOUT
REV
STDIR
IEC05000545=4=en=Original.vsdx
Application manual

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