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Pos-seq, variable frequency

The Pos-seq, variable frequency component computes the positive-sequence (magnitude and phase) of the input signal abc over a running window of one cycle of the fundamental frequency given by input f.  The reference frame required for the computation is given by input wt.

The output is held constant to the specified Initial magnitude and Initial phase values for one cycle of the specified initial frequency.

Symbol

Mask Parameters

NameDescriptionUnitVariable = {Possible Values}
DescriptionUse this field to add all kinds of information about the component
Description = {'string'}
Initial frequencyInitial frequency for the first simulation cycle. This value cannot be modified during the simulationHzFinit = { [0, 1e12] }
Minimum frequencyMinimum expected frequency of the input signal. This value cannot be modified during the simulationHzFmin = { [0, 1e12] }
Initial magnitude
Initial value of the magnitude of the output signal for the first simulation cycle. This value cannot be modified during the simulation
MagInit = { [0, 1e12] }
Initial phaseInitial value of the phase of the output signal for the first simulation cycle. This value cannot be modified during the simulationdeg.PhaseInit = { [0, 360] }

Input/Output Signals

Name

Description

Type

abc

Vectorized signal that can contain phase-to-ground voltages (Va, Vb and Vc) or phase-to-ground currents (Ia, Ib and Ic)

Input

f

Frequency signal used to calculate the positive-sequence of the input signal abc

Input

wt

Angle of the reference signal used for the calculation of the positive-sequence of the input signal abc

Input

Mag

Signal containing the amplitude of the positive-sequence of the input signal abc

Output

Pha

Signal containing the phase of the positive-sequence of the input signal abc

Output

Sensor Descriptions

Name

Description

Unit

abc[a]

Signal that may contain the voltage or current of phase A

V or A

abc[b]

Signal that may contain the voltage or current of phase B

V or A

abc[c]

Signal that may contain the voltage or current of phase C

V or A

f

Frequency signal used to calculate the positive-sequence of the abc input signal

Hz

wt

Angle of the reference signal used for the calculation of the positive-sequence of the input signal abc

(rad/s)

Mag

Signal containing the amplitude of the positive-sequence of the input signal

V or A

Pha

Signal containing the phase of the positive-sequence of the input signal

deg

Internal Circuit of the Component

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