Woodward HighPROtec MCDLV4, Руководство пользователя

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Protective Elements
AR States
The following diagram shows the state transitions between the various states of the autoreclosure function. This
diagram visualizes the run time logic and timing sequence according to the state transition direction and the events
which trigger the transitions.
State transition diagram
784 MCDLV4 DOK-HB-MCDLV4-2E
Standby
1
Ready
3
Lockout
6
t-Blo after CB man ON
2
t-Reset Lockout
7
Blocked
5
AR Cycle
Start
t-dead
t-Run2Ready
4
Lock=True
Initiate AR
In
itia
te
Fc
=T
ru
e
su
cc
es
sf
ul
C
B=
Po
s
O
N
Lock=True
C
B=
Po
s
O
N
t-B
lo
a
fte
r C
B
m
an
O
N=
tim
er
e
la
ps
ed
Reset Lockout=True
t-R
es
et
L
oc
ko
ut
=t
im
er
e
la
ps
ed
Bl
o=
Fa
ls
e
C
B=
Po
s
O
FF
&
t-B
lo
a
fte
r C
B
m
an
O
N=
tim
er
e
la
ps
ed
Bl
o=
Tr
ue
Blo=True
AR
.B
lo
=T
ru
e
Lock=True
CB=Pos OFF