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
T
0
f
>
&RES
f
<
&RES
T
0
f
<
&RES
TRIP
P
ING
M
ATRIX
(LED
+R
EL
AY
S
)
&
f > & 5 9 V 2
&
f< & 5 9 V 2
&
f > & 5 9 V 2
&
f< & 5 9 V 2
V i r t ual i np u t
5 9 V 2
U
1
<
U
1
def
U
1
<
def
&
&
f > & 2 7 V 1
&
f< & 2 7 V 1
&
f > & 2 7 V 1
&
f< & 2 7 V 1
f > & - K
f > & - L
V i r t ual i np u t
2 7 V 1
&
f > & U E >>
&
f< & U E >>
V i r t ual i np u t
U E >>
&
&
f< & U <
f > & U <
&
&
f < & DI GI N
f > & D I GI N
&
&
f< & r e t e 6 18 5 0 - K O
f > & r e t e 6 18 5 0 - K O
U
12
OR
U
23
OR
U
31
<
U
<
def
U
<
def
Segnale esterno
Consenso f<-f>
T
0
IN2
t
ON
0
n.o.
n.c.
IN2 t O N
Logic
IN2 t O F F
IN2
t
OFF
Binary input IN2
U
E
≥
U
E
>>
def
U
E
>>
def
t
UE>>RES
T
0
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
