Sel 411L - Figure 3.156 Trip Logic Diagram

P.3.242
SEL-411L Relay Protection Manual Date Code 20151029
Protection Functions
Trip Logic
Figure 3.156 Trip Logic Diagram
ECOMM = POTT3*
TRCOMMD
E3PT
TRSOTF
SOTFE
TR
Z1G
Z2GT
Z2GTSP = Y*
3-Phase
Selected
3 PS
TRPRM
SOTFT
SPOC
3PT
Z2P
TRCOMM
Comm. Assisted
Trip Permission
ECTT
EWFC = Y,SP*
RX Trip
Permission
COMPRM
RXPRM
SPOA
DTA
SPOB
DTB
DTC
PT3
ECOMM = POTT2*
Z3RB
ECOMM = POTT2*
ECOMM = POTT*
PTRX
UBB
ECTTA
ECTTB
ECTTC
ECOMM = OFF*
SPT_A
SPT_B
SPT_C
ECOMM = DCB*
DSTRT
BTX
ECOMM = POTT3*
E3PT
SPO
Z3RBA
Z3RBB
Z3RBC
APS
PTDRX
SPO
Z3RB
BPS
CPS
PTDRX
87DTTRX
27AWI
EWFC = SP*
ECTT
DTA
FSA
|mAG1F|
|mBCF|
67QGSP = Y*
67Q2
67G2
SPOA
MAG1
MAG2
XAG1
XAG2
MAG2
XAG2
Z2P
ECOMM = POTT3*
PTA
ECOMM = POTT3*
ECTTA
ECOMM = POTT3*
APS
Z3RBA
ECOMM = POTT3*
APS
APSI
POTT3_A
87LQGSP = Y*
87LQ
87LG
FTSLG
87SPTS
FTSAG
87STAG
87DTA
87DT3P
87MTR
E87DTT = 1
ESTUB
87DTTI
3Φ
Φa
Φb
Φc
TDURD = TDUR1D if A3PT = 0
TDURD = TDUR3D if A3PT = 1
If A3PT evolves from 0 to 1 while TDUR1D is timing reload TDUR3D
* = Settings
Underline = SELOGIC Setting
DTR
1 cyc
0