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Idiomas disponibles
Idiomas disponibles
2. Trip Relay Setting
1) Protection
N type
Long time
Current setting (A)
Iu = In×...
Ir = Iu×...
Time delay (s)
tr@(1.5×lr)
Accuracy: ±15% or below
tr@(6.0×lr)
100ms
tr@(7.2×lr)
Short time
Current setting (A)
Isd = Ir×...
Accuracy: ±10%
Time delay (s)
tsd
@ 10×Ir
(I
Instantaneous
Current setting (A)
Ii = In×...
Tripping time
Ground fault
Pick-up (A)
Accuracy: ±10%(Ig≻0.4In)
Ig = In×...
±20%(Ig≤0.4In)
Time delay (s)
tg
@ 1×In
(I
A type
: Including the basic function of the N type
Earth leakage (Option)
Current setting (A)
I
▵
Time delay (s)
▵
Accuracy: ±15%
Note) Earth leakage function is available with ZCT or external CT
P, S type
: Including the basic function of the A type
Type
Under voltage
Over voltage
Voltage unbalance
Reverse power
Over power
Current unbalance
60Hz
Over frequency
50Hz
60Hz
Under frequency
50Hz
Trip Relay Setting
0.5
0.8
12.5
0.5
0.34
1.5
I
t Off
2
0.05
I
2
t On
Min. Trip Time(ms)
20
2
t Off)
Max. TripTime(ms)
80
2
50(±10ms)
0.2
I
2
t Off
0.05
I
t On
2
Min. Trip Time(ms)
20
2
t Off)
Max. Trip Time(ms)
80
n
0.5
Alarm
140
Time(ms)
t
Trip
140
Time(ms)
Pick-up
Setting range
Step
80V ~ 0V_Pick-up
1V
UV_Pick-up ~ 980V
1V
6% ~ 99%
1%
10~500 kW
1kW
500~5000 kW
1kW
6% ~ 99%
1%
UF_Pick-up ~ 65
1Hz
UF_Pick-up ~ 55
1Hz
55Hz ~ OF_Pick-up
1Hz
45Hz ~ OF_Pick-up
1Hz
0.6
0.7
0.8
0.9
0.83
0.85
0.88
0.9
25
50
100
200
1
2
4
8
0.69
1.38
2.7
5.5
2
3
4
5
0.1
0.2
0.3
0.4
0.1
0.2
0.3
0.4
80
160
260
360
140
240
340
440
3
4
6
8
0.3
0.4
0.5
0.6
0.1
0.2
0.3
0.4
0.1
0.2
0.3
0.4
80
160
260
360
140
240
340
440
1
2
3
5
230
350
800
950
230
350
800
Accuracy
Setting range
±5%
1.2~40 sec
±5%
±2.5% or (*±10%)
±10%
0.2~40 sec
±10%
±2.5% or (*±10%)
±0.1Hz
1.2~40 sec
±0.1Hz
±0.1Hz
±0.1Hz
- 17 -
GCB800/1200
1.0
0.93
0.95
0.98
1.0
300
400
500
12
16
20
8.3
11
13.8
6
8
10
Off
10
12
15
Off
0.7
0.8
1.0
Off
10
20
30
off
Time delay(s)
Step
Accuracy
0.1 sec
±0.1 sec
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