5.8.5 PROTECTION REOPERATION AND EVOLVING FAULT LOGIC DIAGRAM
V03332
TARANY
&
TMEMANY
Prot ReOp
LastShot
Set CB1 CL
1P DTime
Seq Counter = 1
CB1 AR Lockout
CB1 Closed 3 ph
CB1 ARIP
Prot ReOp
Evolve Lock
Evolve 3Ph
CB1 Failed AR
&
&
1
0
0.02
&
Discrim Time
t
0
&
&
0
0.02
R
Q
S
&
&
10
0.02
&
&
RESETL-F
Set CB2 CL
CB2 Closed 3 ph
CB2 ARIP
10
0.02
&
& CB2 Failed AR
CB2 AR Lockout
1
1554
847
306
328
907
1544
915
1544
576
1550
1441
Figure 161: Protection Reoperation and Evolving Fault logic diagram (Module 20)
5.8.6
FAULT MEMORY LOGIC DIAGRAM
V03320
RESPRMEM
Trip Inputs A
Ext Fault APh
FLTMEM 2P
&
FLTMEM 3P
AR Start
Trip Inputs B
Trip Inputs C
Ext Fault BPh
Ext Fault CPh
1
1
1
&
&
R
Q
S
R
Q
S
R
Q
S
=
2
&
Figure 162: Fault Memory logic diagram (Module 15)
5.9
AUTORECLOSE IN PROGRESS
The AR In Progress module produces various signals to indicate to other modules and functions that an
Autoreclose operation is currently in progress.
Chapter 11 - Autoreclose P446SV
302 P446SV-TM-EN-1