Modelica.Electrical.MultiPhase.Examples

Information

This package contains test examples of analog electrical multiphase circuits.

Package Content

Name	Description
TransformerYY	Test example with multiphase components
TransformerYD	Test example with multiphase components
Rectifier	Test example with multiphase components
TestSensors

Modelica.Electrical.MultiPhase.Examples.TransformerYY

Information

Test example with multiphase components:
Star-connected voltage source feeds via a Y-Y-transformer with internal impedance (RT, LT) a load resistor RT.
Using f=5 Hz LT=3mH defines nominal voltage drop of approximately 10 %.
Simulate for 1 second (2 periods) and compare voltages and currents of source, transformer and load.

Parameters

Name	Description
m	Number of phases
V	Amplitude of Star-Voltage [V]
f	Frequency [Hz]
Lm	Transformer main inductance [H]
LT	Transformer stray inductance [H]
RT	Transformer resistance [Ohm]
RL	Load Resistance [Ohm]
nT	Transformer ratio

Modelica.Electrical.MultiPhase.Examples.TransformerYD

Information

Test example with multiphase components:
Star-connected voltage source feeds via a Y-D-transformer with internal impedance (RT, LT) a load resistor RT.
Using f=5 Hz LT=3mH defines nominal voltage drop of approximately 10 %.
Simulate for 1 second (2 periods) and compare voltages and currents of source, transformer and load.

Parameters

Name	Description
m	Number of phases
V	Amplitude of Star-Voltage [V]
f	Frequency [Hz]
Lm	Transformer main inductance [H]
LT	Transformer stray inductance [H]
RT	Transformer resistance [Ohm]
RL	Load Resistance [Ohm]
nT	Transformer ratio

Modelica.Electrical.MultiPhase.Examples.Rectifier

Information

Test example with multiphase components:
Star-connected voltage source feeds via a line reactor a diode bridge rectifier with a DC burden.
Using f=5 Hz, simulate for 1 second (2 periods) and compare voltages and currents of source and DC burden, neglecting initial transient.

Parameters

Name	Description
m	Number of phases
V	Amplitude of Star-Voltage [V]
f	Frequency [Hz]
L	Line Inductance [H]
RL	Load Resistance [Ohm]
C	Total DC-Capacitance [F]
RE	Earthing Resistance [Ohm]
Ron	Closed diode resistance [Ohm]
Goff	Opened diode conductance [S]
Vknee	Threshold diode voltage [V]

Modelica.Electrical.MultiPhase.Examples.TestSensors

Information

Test multiphase quasiRMS sensors: A sinusoidal source feeds a load consisting of resistor and inductor.

Parameters

Name	Description
VRMS	Nominal RMS voltage per phase [V]
f	Frequency [Hz]
R	Load resistance [Ohm]
L	Load inductance [H]