79
NV10P - Manual - 01 - 2015
CHARACTERISTICS
Eventual restrictive thresholds
enabled from external contact
59N starting
Logic diagram concerning the 81O-81U threshold enabling (see previous page)
Consenso f<-f>
≥
Segnale esterno (Presenza Goose IEC61850)
U
2
≥
U
2
def
U
2
>
def
f
>
&RES
T0
f
>
&RES
f
<
&RES
T0
f
<
&RES
TRIPPING MATRIX
(LED+RELAYS)
&
f>&59V2
&
f<&59V2
&
f>&59V2
&
f<&59V2
Virtual input
59V2
U
1
<
U
1
def
U
1
<
def
&
&
f>&27V1
&
f<&27V1
&
f>&27V1
&
f<&27V1
f>&-K
f>&-L
Virtual input
27V1
&
f>&UE>>
&
f<&UE>>
Virtual input
UE>>
&
&
f<&U<
f>&U<
&
&
f<&DIGIN
f>&DIGIN
&
&
f<&rete61850-KO
f>&rete61850-KO
U
12
ORU
23
ORU
31
<
U
<
def
U
<
def
Segnale esterno
Consenso f<-f>
T0
IN2
t
ON
0
n.o.
n.c.
IN2 tON
Logic
IN2 tOF F
IN2
t
OFF
Binary input IN2
U
E
≥
U
E
>>
def
U
E
>>
def
t
UE>>RES
T0
t
UE>>RES
timer Trip U
E
>>
f> Control
f< Control
≥
f
>&
&
f<&-K
f<&-L
≥
f
<&
U
12
, U
23
, U
31
directly measured
phase-to-phase voltages
for VTs input versions
or
calculated for sensors input versions
U
E
directly measured
residual voltage for VTs input versions
or
U
EC
calculated
for sensors input versions