Power frequency default measurements
EN50160 Frq/Mg data recorder
| Register label | Source module type | Description | 
|---|---|---|
| Freq N | Signal limit evaluation | Number of valid intervals | 
| Freq N1 | Signal limit evaluation | Number of intervals where the frequency is within ± 1% of nominal | 
| Freq N2 | Signal limit evaluation | Number of intervals where the frequency is within +4% and -6% of nominal. | 
| Freq N invld | Signal limit evaluation | Number of invalid intervals | 
Parameter data is recorded every 10 minutes in the EN50160 Prm-f/V data recorder.
EN50160 Prm-f/V data recorder
| Register label | Description | 
|---|---|
| PQ Freq mean | 10-minute mean | 
| PQ Freq low | minimum one-cycle value over 10 minutes | 
| PQ Freq high | maximum one-cycle value over 10 minutes |