Threshold and Time-Delay Settings
Current Protection Functions
Function |
Setting |
Range |
Factory setting |
Step |
Accuracy |
---|---|---|---|---|---|
Long-time protection |
Ir current setting |
0.4 to In |
Maximum |
1 A |
1.05 to 1.20 Ir |
tr time delay |
0.5 to 24 s |
Maximum |
0.5 s |
- 20%, + 0% |
|
Short-time protection |
Isd pickup |
1.5 to 10 Ir |
Maximum |
10 A |
± 10% |
tsd time delay |
0 - 0.1 - 0.2 - 0.3 - 0.4 s |
Maximum |
0.1 s |
– | |
Instantaneous protection |
Ii pickup |
2 to 15 In in ERMS mode |
Maximum |
10 A |
± 10% |
Ground-fault protection |
Ig pickup |
Depends on rating |
Maximum |
1 A |
± 10% |
tg time delay |
0 - 0.1 - 0.2 - 0.3 - 0.4 s |
Maximum |
0.1 s |
– | |
Earth-leakage protection |
IΔn pickup |
– |
Maximum |
0.1 A |
- 20%, + 0% |
Δt time delay |
60 -140 - 230 - 350 - 800 ms |
Maximum |
1 setting |
– | |
Neutral protection |
Three-pole device |
Off, N/2, N, 1.6xN |
Off |
– | – |
Four-pole device |
Off, N/2, N |
N/2 |
– | – |
Additional Current Protection Functions
Function |
Setting |
Range |
Factory setting |
Step |
Accuracy |
---|---|---|---|---|---|
Current unbalance |
Pickup threshold |
5% to 60% |
60% |
1% |
-10%, +0% |
Dropout threshold |
5% of pickup threshold |
Pickup threshold |
1% |
-10%, +0% |
|
Pickup time delay |
1 s to 40 s |
40 s |
1 s |
-20%, +0% |
|
Dropout time delay |
10 s to 360 s |
10 s |
1 s |
-20%, +0% |
|
Ground-fault alarm |
Pickup threshold |
20 A to 1200 A |
120 A |
1 A |
+/- 15% |
Dropout threshold |
20 A to pickup threshold |
Pickup threshold |
1 A |
+/- 15% |
|
Pickup time delay |
1 s to 10 s |
10 s |
0.1 s |
-20%, +0% |
|
Dropout time delay |
1 s to 10 s |
1 s |
0.1 s |
-20%, +0% |
|
Earth-leakage alarm |
Pickup threshold |
0.5 A to 30 A |
30 A |
0.1 A |
-20%, +0% |
Dropout threshold |
0.5 A to pickup threshold |
Pickup threshold |
0.1 A |
-20%, +0% |
|
Pickup time delay |
1 s to 10 s |
10 s |
0.1 s |
-20%, +0% |
|
Dropout time delay |
1 s to 10 s |
1 s |
0.1 s |
-20%, +0% |
|
Maximum current |
Pickup threshold |
0.2 In to In |
In |
1 A |
± 6.6% |
Dropout threshold |
0.2 In to pickup threshold |
Pickup threshold |
1 A |
± 6.6% |
|
Pickup time delay |
15 s to 1500 s |
1500 s |
1 s |
-20%, +0% |
|
Dropout time delay |
15 s to 3000 s |
15 s |
1 s |
-20%, +0% |
Voltage Protection Functions
Function |
Setting |
Range |
Factory setting |
Step |
Accuracy |
---|---|---|---|---|---|
Minimum voltage |
Pickup threshold |
100 V to U max pickup threshold |
100 V |
5 V |
-5%, +0% |
Dropout threshold |
Pickup threshold to U max Pickup threshold |
Pickup threshold |
5 V |
-5%, +0% |
|
Pickup time delay |
1.2 s to 5 s |
5 s |
0.1 s |
-0%, +20% |
|
Dropout time delay |
1.2 s to 36 s |
1.2 s |
0.1 s |
-0%, +20% |
|
Maximum voltage |
Pickup threshold |
U min pickup threshold to 1200 V |
725 V |
5 V |
-0%, +5% |
Dropout threshold |
100 V to pickup threshold |
Pickup threshold |
5 V |
-0%, +5% |
|
Pickup time delay |
1.2 s to 5 s |
5 s |
0.1 s |
-0%, +20% |
|
Dropout time delay |
1.2 s to 36 s |
1.2 s |
0.1 s |
-0%, +20% |
|
Voltage unbalance |
Pickup threshold |
2% to 30 % |
30% |
1% |
-20%, +0% |
Dropout threshold |
2% to pickup threshold |
Pickup threshold |
1% |
-20%, +0% |
|
Pickup time delay |
1 s to 40 s |
40 s |
1 s |
-20%, +0% |
|
Dropout time delay |
10 s to 360 s |
10 s |
1 s |
-20%, +0% |
Other Protection Functions
Function |
Setting |
Range |
Factory setting |
Step |
Accuracy |
---|---|---|---|---|---|
Reverse power |
Pickup threshold |
5 to 500 kW |
500 kW |
5 kW |
± 2.5% |
Dropout threshold |
5 kW to pickup threshold |
Pickup threshold |
5 kW |
± 2.5% |
|
Pickup time delay |
0.2 s to 20 s |
20 s |
0.1 s |
0%, +20%* |
|
Dropout time delay |
1 s to 360 s |
1 s |
0.1 s |
0%, +20% |
|
Minimum and maximum frequency |
Pickup threshold |
F min pickup threshold to 440 Hz |
65 Hz |
0.5 Hz |
± 0.5 Hz |
Dropout threshold |
45 Hz to pickup threshold |
Pickup threshold |
0.5 Hz |
± 0.5 Hz |
|
Pickup time delay |
1.2 s to 5 s |
5 s |
0.1 s |
0%, +20%* |
|
Dropout time delay |
1.2 s to 36 s |
1.2 s |
0.1 s |
0%, +20%* |
|
Phase rotation |
Pickup threshold |
Ph1, Ph2, Ph3 or Ph1, Ph3, Ph2 |
Ph1, Ph2, Ph3 |
None |
None |
Dropout threshold |
Pickup threshold |
Pickup threshold |
None |
None |
|
Pickup time delay |
0.3 s |
0.3 s |
None |
- 0%, + 50% |
|
Dropout time delay |
0.3 s |
0.3 s |
None |
- 0%, + 50% |
Load Shedding and Reconnection
Function |
Setting |
Range |
Factory setting |
Step |
Accuracy |
---|---|---|---|---|---|
Depending on current |
Pickup threshold |
50% to 100% Ir |
100% Ir |
1% |
± 6% |
Dropout threshold |
30% Ir to shedding threshold |
Shedding threshold |
1% |
± 6% |
|
Pickup time delay |
20% to 80% tr |
80% tr |
1% |
-20%, +0% |
|
Dropout time delay |
10 s to 600 s |
10 s |
1 s |
-20%, +0% |
|
Depending on power |
Pickup threshold |
200 kW to 10 000 kW |
10 000 kW |
50 kW |
± 2.5% |
Dropout threshold |
100 kW to shedding threshold |
Shedding threshold |
50 kW |
± 2.5% |
|
Pickup time delay |
10 s to 3600 s |
3600 s |
10 s |
-20%, +0% |
|
Dropout time delay |
10 s to 3600 s |
10 s |
10 s |
-20%, +0% |