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6 F 2 S 0 8 5 7
/
6 S c h e m e 1
/
1
R
E
F
1
=
1
I
02=2I0 =33I0
1
: :
2 RE F 1 =1I
0
2=2I0 3=I031
R
3 R E F
1 =1I
0
2=2I0 3=I03 1
D IF T 1 =3P
O
2=1P
1
P
M
M
1
O
C
I
1
M 2 O C
I 1 =Lo
n
2=Std =3 Veryg1
M 3 O C
I
1
=
L
o
n
2
=
S
t
d
=
3
g
1
* * *
1 0 =Of
f
1=OnR E F _ E D F
switch
D
4
=t Ex
1
=
L
o
n
2
=
S
t
d
=
3
V
e
r
yg
4
=t Ex
V
e
r
y
4
=t Ex
M
1
E
F
I
1
1
=
L
o
n
2
=
S
t
d
=
3
g
V
e
r
y
4
=t Ex
M
2
E
F
I
1
1
=
L
o
n
2
=
S
t
d
=
3
g
V
e
r
y
4
=t Ex
M
3
E
F
I
1
1
=Lo
n
2
=
S
t
d
=
3
g
V
e
r
y4= t Ex
1 0 =Of
f
1=OnL
/
O
1
0
=
O
f
f
1
=
O
n
2 F - L C O K
1
0
=
O
f
f
1
=
O
n
5 F - L C O K
1
0 =Of
f
1
=OnD I F 1
1
0
=
O
f
f
1
=
O
n
D
I
F
2
1
0 =Of
f
1
=OnD I F 3
1 0 =Of
f
1=OnM . T 4 1 -
1 0 =Of
f
1=OnM . T 4 2 -
1 0 =Of
f
1=OnM . T 4 3 -
: :
1 0 =AL
M
BLK 1= MLA&S V C N
T
1 0 =Of
f
1=OnC T S E
N
Note: The menu of DIFTPMD depends on the phase matching. The above screen is α-method
(Alpha). In the case of β-method (Beta), DIFTPMD is 1=3POR, 2=2PAND, 3=1P. Refer to
Section 2.2.1.
If the "On" is selected in the menu of REF_DEF, the REF characteristic corresponds to that of
GRT100-xxxC model. If the "Off", it corresponds to that of GRT100-xxxA and -xxxB models.
• Enter the number corresponding to the switch status to be set and press the
ENTER
key for
each switch.
The setting of REF depends on the type of the transformer. The setting method is shown in
Appendix L.
• After setting all switches, press the
END
key to return to the "Trip" screen.
Setting the protection elements
•
Press 3 (= Protection element) on the "Trip" screen to display the "Protection element" screen.
/6 Prote tc ion ele (Group= *)
1=DIFT 2=REF 3=OC
4=THR 5=V/F 6=FRQ
me tn
<DIFT>
•
Press 1 (= DIFT) to display the "DIFT" screen. The measuring elements used in the current
differential protection are set using this screen.
• Enter the numerical value and press the
ENTER
key for each element.
• After setting all elements, press the
END
key to return to the "Protection element" menu.