Thytronic Pro-N NVA100X-D - Page 104

104
NVA100X-D - Manual - 02 - 2016
FUNCTION CHARACTERISTICS
Fun-40_S1.ai
&
X
C1
X
D1
t
XC1XD1-RES
T0
RESET
t
XC1XD1
0T
TRIPPING MATRIX (LED+RELAYS)
t
XC1XD1
t
XC1XD1-RES
X
C1
-X
D1
Start
X
C1
-X
D1
ST-K
X
C1
-X
D1
ST-L
X
C1
-X
D1
TR-K
X
C1
-X
D1
TR-L
X
C1
-X
D1
Start
X
C1
-X
D1
Trip
X
C1
-X
D1
Trip
X
C1
-X
D1
Trip
Block3
≥1
≥1
74VT Block
VT fault (74VT)
BF Enable (ON≡Enable)
XC1XD1-BF
Mode
towards BF logic
&
X
C1
-X
D1
Block1
X
C1
X
D1
- BF
&
&
&
Enable (ON≡Enable)
Block1 input (ON≡Block)
Block1
Block1
(=0 without fault)
=0 if 20≤f≤70 Hz
Block1
&
(ON≡
Inhibit )
AL40 inhibition
40ALdisbyXC1XD1
Start undervoltage
&
Undervoltage enable
(ON≡Enable)
I
L1L
U
L1
Z
L1
, R
L1
, X
L1
R
L1
2
+(X
L1
+ X
C1
)
2
≤ (X
D1
/ 2)
2
R
L1
2
+(X
L1
- X
C1
)
2
≤ (X
D1
/ 2)
2
Binary input INx
T0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
X
L1
≤ -tanAlpha40AL · R
L1
& R
L1
≤ 0
or
X
L1
≤ tanAlpha40Al · R
L1
& R
L1
> 0
X
L1
≤ tanAlpha40AL · R
L1
& R
L1
≤ 0
or
X
L1
≤ -tanAlpha40AL · R
L1
& R
L1
> 0
Alpha40AL
Mode = GENERATOR
Mode = MOTOR
U
L1
≥ 10%E
n
I
L1L
≥ 5%I
nL
Logic diagram concerning the first threshold of the loss of field element - 40