STcPowerMeasureDistortion

The structures STcPowerMeasureDistortionDiag, STcPowerMeasureDistortionValues and STcPowerMeasureDistortionValuesTDD represent the determined harmonic distortion and are summarized in the structure STcPowerMeasureDistortionArea.

STcPowerMeasureDistortionDiag

State of the distortion 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.

STcPowerMeasureDistortionValues

Determined harmonic distortion in relation to the fundamental.

Name

Data type

Unit

Description

fTHD1

REAL

%

Distortion on phase L1.

fTHD2

REAL

%

Distortion on phase L2.

fTHD3

REAL

%

Distortion on phase L3.

STcPowerMeasureDistortionValuesTDD

Determined distortion in relation to the maximum fundamental.

Name

Data type

Unit

Description

fTDD1

REAL

%

Distortion on phase L1.

fTDD2

REAL

%

Distortion on phase L2.

fTDD3

REAL

%

Distortion on phase L3.

STcPowerMeasureDistortionArea

Summary of the distortion determination.

Name

Data type

Description

nTimestamp

DCTIME

Time of update.

Diag

STcPowerMeasureFrequencyDiag

State of determination.

VoltageTHD

STcPowerMeasureDistortionValues

Distortion of the voltage in relation to the fundamental.

CurrentTHD

STcPowerMeasureDistortionValues

Distortion of the current in relation to the fundamental.

CurrentTDD

STcPowerMeasureDistortionValuesTDD

Distortion of the current in relation to the maximum fundamental.