STcPowerMeasureSymmetrical

The structures STcPowerMeasurePowerDiag and STcPowerMeasurePhasorValues contain the calculated phasors and are summarized in the STcPowerMeasurePhasorArea structure.

STcPowerMeasureSymmetricalComplexValues

This structure describes a pointer as a complex variable in polar representation.

Name

Data Type

Unit

Description

fEff

REAL

V/A

Amplitude of the pointer.

fPhi

REAL

°

Angle of the pointer.

STcPowerMeasureSymmetricalVoltage

This structure contains the determined voltages of the individual phases and their symmetrical components.

Name

Data Type

Description

U1N

STcPowerMeasureSymetricalComplexValues

Phase voltage L1 against neutral conductor.

U2N

STcPowerMeasureSymetricalComplexValues

Phase voltage L2 against neutral conductor.

U3N

STcPowerMeasureSymetricalComplexValues

Phase voltage L3 against neutral conductor

U12

STcPowerMeasureSymetricalComplexValues

Conductor voltage between L1 and L2

U23

STcPowerMeasureSymetricalComplexValues

Conductor voltage between L2 and L3

U31

STcPowerMeasureSymetricalComplexValues

Conductor voltage between L3 and L1

PosSeq

STcPowerMeasureSymetricalComplexValues

Voltage in the positive-sequence system.

NegSeq

STcPowerMeasureSymetricalComplexValues

Voltage in the negative-sequence system.

ZeoZeq

STcPowerMeasureSymetricalComplexValues

Voltage in the zero system.

STcPowerMeasureSymmetricalCurrent

This structure contains the currents of the individual phases and their symmetrical components.

Name

Data Type

Description

I1

STcPowerMeasureSymetricalComplexValues

Current phase L1.

I2

STcPowerMeasureSymetricalComplexValues

Current phase L2.

I3

STcPowerMeasureSymetricalComplexValues

Current phase L3.

PosSeq

STcPowerMeasureSymetricalComplexValues

Current in the positive-sequence system.

NegSeq

STcPowerMeasureSymetricalComplexValues

Current in the negative-sequence system.

ZeoZeq

STcPowerMeasureSymetricalComplexValues

Current in the zero system.

STcPowerMeasureSymmetricalPowerValues

The power of the symmetrical components.

Name

Data Type

Unit

Description

fP

REAL

W

Active power.

fQ

REAL

Var

Reactive power.

fS

REAL

VA

Apparent power.

STcPowerMeasureSymmetricalPower

Determined power for the individual phases and the symmetrical components.

Name

Data Type

Description

L1

STcPowerMeasureSymmetricalPowerValues

Power phase L1.

L2

STcPowerMeasureSymmetricalPowerValues

Power phase L2.

L3

STcPowerMeasureSymmetricalPowerValues

Power phase L3.

PosSeq

STcPowerMeasureSymmetricalPowerValues

Power of the positive-sequence system.

STcPowerMeasureSymmetricalArea

Summary of the symmetrical components.

Name

Data Type

Description

nTimestamp

DCTIME

Time of update.

Diag

STcPowerMeasurePowerDiag

State of determination.

Voltage

STcPowerMeasureSymmetricalVoltage

Voltage pointer.

Current

STcPowerMeasureSymmetricalCurrent

Pointer of the current.

Power

STcPowerMeasureSymmetricalPower

Power values.