Thytronic XMR-D - Page 195

FUNCTION CHARACTERISTICS
195
Residual overcurrent (50N.1/51N.1) - Logic diagram of the blocking signals concerning the third element (IE1>>>) Sheet 2 of 2
IE1>>>BLK1
Start I
E1
>>>
Start I
E1
>>>
Trip I
E1
>>>
Pilot wire output
TRIPPING MATRIX (LED+RELAYS)
ModeBLOUT1
A
B
C
D
BLOUT1
Block2 output
≥1
t
F-IPh
t
F-IPh/IE
t
F-IE
ST-Iph BLK2
ST-IE BLK2
&
Block2 output
(ON≡Enable)
IE1>>>BLK2OUT
T0
t
F-IPh/IE
T0
t
F-IPh
T0
t
F-IE
BLK2OUT-Iph
BLK2OUT-Iph/IE
BLK2OUT-IE
A = OFF
B = ON IPh
C = ON IPh/IE
D = ON IE
BLK2OUT-IPh-K
BLK2OUT-IPh-L
BLK2OUT-IPh/IE-K
BLK2OUT-IPh/IE-L
BLK2OUT-IE-K
BLK2OUT-IE-L
Binary input INx
T 0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
Binary input INx
T 0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
Binary input INx
T 0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
Binary input INx
T 0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
Block2 IPh
Block2 IPh/IE
ModeBLIN1
T0
t
B-Iph
50N-51NS3_BL-diagram.ai
≥1
≥1
≥1
≥1
t
B-Iph
t
B-IE
BLK1IE1>>>
BLK4IN IE1>>>
&
&
&
BLK2IN IE1>>>
&
&
Enable (ON≡Enable)
Block2 input enable (ON≡Enable)
Pilot wire input
&
IE1>>>BLK2IN
Block1
BLK2IN-Iph
Iph Block2
IE Block2
BLK2IN-IE
tB timeout
Block2 input
tB-K
tB-L
Block1
FROM EARTH FAULT PROTECTIONS
FROM ANY PROTECTIONS
OFF
ON IPh
ON IPh/IE
ON IE
BLIN1
Block4
I
E1
>>> Block2 OUT
Block1
T0
t
B-IE
Block2 IE
≥1
Block1, Block2, Block4
TRIPPING MATRIX (LED+RELAYS)
≥1
≥1
All other BLK2OUT outputs
of ground elements
(see BLK2OUT chapter)
≥1
All BLK2OUT outputs
of phase elements
(see BLK2OUT chapter)
≥1
Start I
E1
>>>
I
E1
>>> Block4 I/O
I
E1
>>> Block4 OUT
IE1>>>BLK4
IE1>>>BLK4
t
FI-Iph
ST-IE1 BLK4
ST-Iph BLK4
≥1
t
FI-IE
Block4 OUT
T0
t
FI-Iph
T0
t
FI-IE
Block4
Block4
A = IN
B = OFF
C = OUT
B
C
“0”
“0”
A
Block4 enable
A = IN
B = OFF
C = OUT
C
B
A
“0”
“0”
All other BLK4 I/O
of ground elements
(see BLK4 chapter)
≥1
All BLK4 I/O
of phase elements
(see BLK4chapter)
≥1
XMR-D EQUIPMENT MANUAL
Ed. 2.9 - 02/2021