| Protection | IEC symbol (IEC60617) | ANSI (IEEE C37.2) | Operate time |
|---|---|---|---|
| Reactive power import (loss of excitation/under-excitation) | Q<, Q<< | 40U | < 100 ms |
| The alarm response is based on the reactive power (Q) to the source, as measured and calculated by the controller. Reactive power import is when the generator is feeding a capacitive load. |
Common protect > Reactive power protect. > Loss of excitation >
-Q>
| Parameter | Text | Range | Default |
|---|---|---|---|
| 1521 | Set point | 0 to 150 % | 50 % |
| 1522 | Timer | 0.1 to 100 s | 10 s |
| 1525 | Enable |
OFF ON |
OFF |
| 1526 | Fail class | Fail classes | Warning |