| Characteristic | Value |
|---|---|
| Operation accuracy | Depending on the frequency of the measured current and voltage: f n ±2 Hz Reactive power range |PF| <0.71 |
|
Power: ±3.0% or ±0.002 × Q n Voltage: ±1.5% of the set value or ±0.002 × U n |
|
| Start time 1, 2 | Typically 46 ms |
| Reset time | <50 ms |
| Reset ratio | Typically 0.96 |
| Operate time accuracy | ±1.0% of the set value or ±20 ms |
| Suppression of harmonics | DFT: -50 dB at f = n × f n, where n = 2, 3, 4, 5,… |
1 Start value = 0.05 × S n, reactive power before fault = 0.8 × Start value, reactive power overshoot 2 times, results based on statistical distribution of 1000 measurements
2 Includes the delay of the signal output contact