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

bInaccurateL1

BIT

Inaccurate frequency phase L1.

bInaccurateL2

BIT

Inaccurate frequency phase L2.

bInaccurateL3

BIT

Inaccurate frequency phase L3.

STcPowerMeasureFrequencyValues

Determined frequency and filtered frequency values.

Name

Data type

Unit

Description

fF

REAL

Hz

Determined frequency.

fF1

REAL

Hz

First stage filtered frequency.

fF2

REAL

Hz

Second stage filtered frequency.

STcPowerMeasureFrequencyRoCoF

Determined frequency change and filtered frequency change.

Name

Data type

Unit

Description

fR

REAL

Hz/s

Determined frequency change.

fR1

REAL

Hz/s

First stage filtered frequency change.

fR2

REAL

Hz/s

Second stage filtered frequency change.

STcPowerMeasureFrequencyArea

Summary of the frequency determination.

Name

Data type

Description

nTimestamp

DCTIME

Time of update.

Diag

STcPowerMeasureFrequencyDiag

State of determination.

Values

STcPowerMeasureFrequencyValues

Determined frequency.

RoCoF

STcPowerMeasureFrequencyRoCoF

Determined frequency change.