STcPowerMeasureTransform

The structures STcPowerMeasureTransformClark, STcPowerMeasureTransformPark and STcPowerMeasureTransformPower represent the transformed variables and are summarized in the structure STcPowerMeasureTransformArea.

STcPowerMeasureTransformClark

Voltage and current in the α-β coordinate system.

Name

Data Type

Unit

Description

fUa

REAL

V

Real axis of the voltage.

fUb

REAL

V

Orthogonal axis of the voltage.

fIa

REAL

A

Real axis of the current.

fIb

REAL

A

Orthogonal axis of the current.

STcPowerMeasureTransformPark

Voltage and current in the d-q coordinate system.

Name

Data Type

Unit

Description

fUd

REAL

V

Direct axis of the voltage.

fUq

REAL

V

Quadrature axis of the voltage.

fId

REAL

A

Direct axis of the current.

fIq

REAL

A

Quadrature axis of the current.

STcPowerMeasureTransformPower

Power values calculated from the d-q components of voltage and current.

Name

Data Type

Unit

Description

fP

REAL

V

Active power.

fQ

REAL

V

Reactive power.

STcPowerMeasureTransformArea

Summary of the transformed variables.

Name

Data Type

Description

nTimestamp

DCTIME

Time of update.

Diag

STcPowerMeasurePowerDiag

State of determination.

Clark

STcPowerMeasureTransformClark

Variables in the α-β coordinate system.

Park

STcPowerMeasureTransformPark

Variables in the d-q coordinate system.

Power

STcPowerMeasureTransformPower

Power in the d-q coordinate system.