Thytronic NV10P - Page 82

82
82
NV10P - Manual - 01 - 2015
CHARACTERISTICS
Logic diagram concerning the second threshold (df>>) of the frequency rate of change element - 81R
Fun-F81R_S2.ai
RESET
t
df>> def
0T
TRIPPING MATRIX (LED+RELAYS)
t
df>> def
d f>> Start
d
f>> Start
d f>> Trip
f<< Trip
d f>> Trip
BF Enable (ON≡Enable)
towards BF logic
&
d f>> Block1
d f>> BF
&
&
&
Enable (ON≡Enable)
Block1 input (ON≡Block)
Block1
Block1
Binary input INx
T0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
&
(ON≡
Inhibit )
d f> inhibition
d f> disbyd f>>
d f>> BF
df>>
ST-K
df>> ST-L
df>> TR-K
df>> TR-L
df>>BLK1
A
A Positive
C Negative
B Module
B
C
From 3rd and/or 4th element
(ON≡Inhibit)
d f>> inhibition
&
≥1
d f
d f ≥ d f >>
def
d f >>
def
Mode-d f
d f ≤ -d f >>
def
U
L1
U
L1
≥20%U
n
16 ≤ f ≤ 80 Hz
≥1
(1≡DDI closed)
DDI state
(1≡upstream)
df>>disbyCB_OPEN
f
UL1
Logic diagram concerning the first threshold (df>) of the frequency rate of change element - 81R
Fun-F81R_S1.ai
RESET
t
df>def
0T
TRIPPING MATRIX (LED+RELAYS)
d f> Start
d
f> Start
d f> Trip
d f> Trip
d f> Trip
BF Enable (ON≡Enable)
towards BF logic
&
Block1
d f> BF
&
&
&
Enable (ON≡Enable)
Block1 input (ON≡Block)
df>BLK1
d f> Block1
Block1
Binary input INx
T0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
t
df>def
df> ST-K
A
A Positive
C Negative
B Module
B
C
df> ST-L
df> TR-K
df> TR-L
df>BF
From 2nd, 3rd and/or 4th element
(ON≡Inhibit)
d f> inhibition
&
≥1
d f
d f ≥ d f >
def
d f >
def
Mode-d f
d f ≤ -d f >
def
U
L1
U
L1
≥20%U
n
16 ≤ f ≤ 80 Hz
≥1
(1≡DDI closed)
DDI state
(1≡upstream)
df>disbyCB_OPEN
f
UL1