P And S Type Units - WEG ABW Serie Manual De Instrucciones

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4.4.3 P and S type units

Long delay
Ir = In x ...
Current of
adjustment tr @ 1.5xIr
tr @ 6xIr
Time of
adjustment tr @ 7.2xIr
(s)
Precision: ± 15% ou < 100ms
Short delay
Current of
adjustment
Precision: ± 10%
Time of adjustment tsd (I²t Off) @ 10xIr
(s) @ 10xIr) tsd (I²t On) @ 10xIr
Opening min. time (ms)
I²t Off
Opening max. time (ms)
Instantaneous
Current of
adjustment Opening time: < 50ms
Shortage current to ground
Current of
adjustment
Precision: ± 10% (Ig>0.4In); ± 20% (Ig≤0.4In)
Time of adjustment tg (I²t Off) @ 1xIn
(s) @ 1xIn
tg (I²t On) @ 1xIn
Opening min. time (ms)
I²t Off
Opening max. time (ms)
Leakage current to ground (optional)
Current of
adjustment (A)
Time of
adjustment (s)
Precision: ± 15%
Pre-alarm
Current of
adjustment tp @ 1.2xIp
Other parameters
Undervoltage
Overvoltage
Voltage imbalance
Reverse power
Overpower
Current imbalance
Overfrequency
Underfrequency
38 | ABW - Air Circuit Breaker
0.4 0.5 0.6
12.5 25 50
0.5 1 2
0.34 0.69 1.38
Isd = Ir x ... 1.5
0.05
20
80
Ii = In x ... 2
Ig = In x ... 0.2
0.05
20
80
Ig 0.5
Alarm (ms) 140
Trip (ms) 140
Ip = Ir x ... 0.6
1
Adjust of range
80 V ~ 0 V_Pickup
UV_Pickup ~ 980 V
6% ~ 99%
10 ~ 500 kW
500 ~5000 kW
6% ~ 99%
60 HZ UF_Pickup ~ 65 HZ
50 HZ UF_Pickup ~ 55 HZ
60 HZ 55 HZ ~ OF_Pickup
50 HZ 45 HZ ~ OF_Pickup
0.7 0.8
100 200
4 8
2.7 5.5
2 3 4
0.1 0.2 0.3
0.1 0.2 0.3
80 160 260
140 240 340
3 4 6
0.3 0.4 0.5
0.1 0.2 0.3
0.1 0.2 0.3
80 160 260
140 240 340
1 2 3
230 350 800
230 350 800
0.65 0.7 0.75
5 10 15
Adjustments
Incr. Precision
1 V ±5%
1 V ±5%
1% ±2.5% ou ±10%
1 kW ±10%
1 kW ±10%
±2.5% ou
1%
±10%
1 HZ ±0.1 HZ
1 HZ ±0.1 HZ
1 HZ ±0.1 HZ
1 HZ ±0.1 HZ
Table 4.6:
0.9 1.0
300 400 500
12 16 20
8.3 11 13.8
5 6 8
0.4
0.4
360
440
8 10 12
0.6 0.7 0.8
0.4
0.4
360
440
5 10 20
950
0.8 0.85 0.9 0.95
20 25 30
Time of adjustment
Adjust of range Incr.
1.2~40s
0.2~40s
0.1s
1.2~40s
Off
Off
Off
10 Off
15 Off
1 Off
30 Off
1
35 Off
Precision
±0.1s