Autoreclose Sequence Counter Logic Diagram; Autoreclose Cycle Selection; Figure 165: Autoreclose Sequence Counter Logic Diagram (Module 18) - GE MiCOM P40 Technical Manual

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P446SV
5.10.1

AUTORECLOSE SEQUENCE COUNTER LOGIC DIAGRAM

CB1 AR Init
CB2 AR Init
ARIP
AR Start
1P Dtime
Seq Counter = 1
Single Pole Shot
Three Pole Shot
Prot Re-op
V03327

Figure 165: Autoreclose Sequence Counter logic diagram (Module 18)

5.11

AUTORECLOSE CYCLE SELECTION

The Autoreclose cycle selection logic is responsible for determining whether the Autoreclose will start as single-
phase or three-phase.
P446SV-TM-EN-1
1
&
&
&
Increment on rising edge
Reset on falling edge
Sequence Counter
&
1
Chapter 11 - Autoreclose
&
Seq Counter = 0
Seq Counter = 1
Seq Counter = 2
Seq Counter = 3
Seq Counter = 4
Seq Counter > 4
Seq Counter >Set
S
Q
LastShot
R
305

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