STcPowerMeasureFrequency
The structures STcPowerMeasureFrequencyDiag
, STcPowerMeasureFrequencyValues
and STcPowerMeasureFrequencyRoCoF
represent the determined frequency and frequency change (RoCoF) and are summarized in the structure STcPowerMeasureFrequencyArea
.
STcPowerMeasureFrequencyDiag
State of the frequency determination. See also Diagnostic data.
Name | Data type | Description |
---|---|---|
| BIT | Inaccurate frequency phase L1. |
| BIT | Inaccurate frequency phase L2. |
| BIT | Inaccurate frequency phase L3. |
STcPowerMeasureFrequencyValues
Determined frequency and filtered frequency values.
Name | Data type | Unit | Description |
---|---|---|---|
| REAL | Hz | Determined frequency. |
| REAL | Hz | First stage filtered frequency. |
| REAL | Hz | Second stage filtered frequency. |
STcPowerMeasureFrequencyRoCoF
Determined frequency change and filtered frequency change.
Name | Data type | Unit | Description |
---|---|---|---|
| REAL | Hz/s | Determined frequency change. |
| REAL | Hz/s | First stage filtered frequency change. |
| REAL | Hz/s | Second stage filtered frequency change. |
STcPowerMeasureFrequencyArea
Summary of the frequency determination.
Name | Data type | Description |
---|---|---|
| DCTIME | Time of update. |
| STcPowerMeasureFrequencyDiag | State of determination. |
| STcPowerMeasureFrequencyValues | Determined frequency. |
| STcPowerMeasureFrequencyRoCoF | Determined frequency change. |