WOLFRAM SYSTEM MODELER

TestSensors

Diagram

Wolfram Language

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SystemModel["Modelica.Electrical.QuasiStatic.Polyphase.Examples.TestSensors"]
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Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

Test quasi-static polyphase sensors: A sinusoidal source feeds a load consisting of resistor and inductor.

Parameters (9)

VRMS

Value: 100

Type: Voltage (V)

Description: Nominal RMS voltage per phase

f

Value: 50

Type: Frequency (Hz)

Description: Frequency

R

Value: 1 / sqrt(2)

Type: Resistance (Ω)

Description: Load resistance

L

Value: 1 / sqrt(2) / (2 * pi * f)

Type: Inductance (H)

Description: Load inductance

Z

Value: sqrt(R ^ 2 + (2 * pi * f * L) ^ 2)

Type: Impedance (Ω)

Description: Load impedance

IRMS

Value: VRMS / Z

Type: Current (A)

Description: Steady state RMS current

P

Value: 3 * R * IRMS ^ 2

Type: ActivePower (W)

Description: Total active power

Q

Value: 3 * (2 * pi * f * L) * IRMS ^ 2

Type: ReactivePower (var)

Description: Total reactive power

S

Value: 3 * Z * IRMS ^ 2

Type: ApparentPower (V⋅A)

Description: Total apparent power

Components (20)

sineVoltage

Type: VoltageSource

Description: Constant polyphase AC voltage

star

Type: Star

Description: Star connection

ground

Type: Ground

Description: Electrical ground

resistor

Type: Resistor

Description: Polyphase linear resistor

inductor

Type: Inductor

Description: Polyphase linear inductor

starLoad

Type: Star

Description: Star connection

currentQuasiRMSSensor

Type: CurrentQuasiRMSSensor

Description: Continuous quasi current RMS sensor for polyphase system

feedbackI

Type: Feedback

Description: Output difference between commanded and feedback input

constI

Type: Constant

Description: Generate constant signal of type Real

voltageQuasiRMSSensor

Type: VoltageQuasiRMSSensor

Description: Continuous quasi voltage RMS sensor for polyphase system

feedbackV

Type: Feedback

Description: Output difference between commanded and feedback input

constV

Type: Constant

Description: Generate constant signal of type Real

powerSensor

Type: PowerSensor

Description: Power sensor

complexToReal

Type: ComplexToReal

Description: Converts complex to Cartesian representation

feedbackP

Type: Feedback

Description: Output difference between commanded and feedback input

realExpression

Type: RealExpression

Description: Set output signal to a time varying Real expression

aronSensor

Type: AronSensor

Description: Three-phase Aron sensor for active power

feedbackPAron

Type: Feedback

Description: Output difference between commanded and feedback input

reactivePowerSensor

Type: ReactivePowerSensor

Description: Three-phase sensor for reactive power

feedbackQ

Type: Feedback

Description: Output difference between commanded and feedback input