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합본 Manual_800_1200AF_4 2014.7.17 5:46 PM 페이지19 위너스3
2. Trip Relay Setting
1) Protection
N type
Long time
Current setting (A)
Time delay (s)
Accuracy: ± ± 15% or below
100ms
Short time
Current setting (A)
Accuracy: ± ± 10%
Time delay (s)
@ 10× × Ir
Instantaneous
Current setting (A)
Tripping time
Ground fault
Pick-up (A)
Accuracy: ± ± 10%(Ig� � 0.4In)
± ± 20%(Ig≤ ≤ 0.4In)
Time delay (s)
@ 1× × In
A type
Long time
Current setting (A)
Time delay (s)
Accuracy: ± ± 15% or below
100ms
Short time
Current setting (A)
Accuracy: ± ± 10%
Time delay (s)
@ 10× × Ir
Instantaneous
Current setting (A)
Tripping time
Ground fault
Pick- - up (A)
Accuracy: ± ± 10%(Ig� � 0.4In)
± ± 20%(Ig≤ ≤ 0.4In)
Time delay (s)
@ 1× × In
Trip Relay Setting
Iu = In× × ...
Ir = Iu× × ...
tr@(1.5× × lr)
tr@(6.0× × lr)
tr@(7.2× × lr)
Isd = Ir× × ...
I
2
t Off
tsd
I
2
t On
Min. Trip Time(ms)
(I
2
t Off)
Max. TripTime(ms)
Ii = In× × ...
Ig = In× × ...
I
t Off
2
tg
I
2
t On
Min. Trip Time(ms)
(I
2
t Off)
Max. Trip Time(ms)
Iu = In× × ...
Ir = Iu× × ...
tr@(1.5× × lr)
tr@(6.0× × lr)
tr@(7.2× × lr)
Isd = Ir× × ...
I
2
t Off
tsd
I
2
t On
Min. Trip Time(ms)
(I
2
t Off)
Max. Trip Time(ms)
Ii = In× × ...
Ig = In× × ...
I
2
t Off
tg
I
2
t On
Min. Trip Time(ms)
(I
2
t Off)
Max. Trip Time(ms)
0.5
0.6
0.7
0.8
0.8
0.83
0.85
0.88
12.5
25
50
100
0.5
1
2
4
0.34
0.69
1.38
2.7
1.5
2
3
4
0.05
0.1
0.2
0.3
0.1
0.2
0.3
20
80
160
260
80
140
240
340
2
3
4
6
50(±10ms)
0.2
0.3
0.4
0.5
0.05
0.1
0.2
0.3
0.1
0.2
0.3
20
80
160
260
80
140
240
340
0.5
0.6
0.7
0.8
0.8
0.83
0.85
0.88
12.5
25
50
100
0.5
1
2
4
0.34
0.69
1.38
2.7
1.5
2
3
4
0.05
0.1
0.2
0.3
0.1
0.2
0.3
20
80
160
260
80
140
240
340
2
3
4
6
50(±10ms)
0.2
0.3
0.4
0.5
0.05
0.1
0.2
0.3
0.1
0.2
0.3
20
80
160
260
80
140
240
340
- 19 -
UTS800/UTS1200
0.9
1.0
0.9
0.93
0.95
0.98
200
300
400
500
8
12
16
20
5.5
8.3
11
13.8
5
6
8
10
0.4
0.4
360
440
8
10
12
15
0.6
0.7
0.8
1.0
0.4
0.4
360
440
0.9
1.0
0.9
0.93
0.95
0.98
200
300
400
500
8
12
16
20
5.5
8.3
11
13.8
5
6
8
10
0.4
0.4
360
440
8
10
12
15
0.6
0.7
0.8
1.0
0.4
0.4
360
440
1.0
Off
Off
Off
1.0
Off
Off
Off
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