Thytronic NA11

74
74
NA11 - Manual - 02 - 2009
FUNCTION CHARACTERISTICS
The element may be enabled or disabled by setting ON the 79 Enable parameter available inside
the Set \ Auto-reclose-79 menu.
all-F79.ai
Schema a blocchi generale della funzione di richiusura automatica - 79
52a/52b
Trip ProtExt
79-Run-K
79-AR-K
79-Fail-K
79
&
79-I>
79
&
79-I>>
79
&
79-I>>>
79
&
79-IE>
79
&
79-IE>>
79
&
79-IE>>>
79 Enable 79 Mode N.DAR MO-RES t
rdt
t
sdt
t
r
t
d1
t
d2
t
d
all-F79.ai
Schema a blocchi generale della funzione di richiusura automatica - 79
52a/52b
Trip ProtExt
79-Run-K
79-AR-K
79-Fail-K
79
&
79-I>
79
&
79-I>>
79
&
79-I>>>
79
&
79-IE>
79
&
79-IE>>
79
&
79-IE>>>
79 Enable 79 Mode N.DAR MO-RES t
rdt
t
sdt
t
r
t
d1
t
d2
t
d
CB CLOSED
CB OPEN
CB OPEN
CB OPEN
CB CLOSED CB CLOSED
CB CLOSED
79RLMI-diafram.ai
t
rdt
CB State
t
t
sdt
Reclaim time
t
r
CB Intentional close
td Enable
t
r
t
r
Manual close fault
discrimination time
t
d1
t
d
t
d
t
d
t
d2
Reclosure failed
Successful auto-reclosure (fast + slow + delayed reclosures) - CB Intentional close
Slow reclosure and delayed
reclosure fault iscrimination
time