Examples to demonstrate the usage of quasistationary electric components.
Extends from Modelica.Icons.ExamplesPackage
(Icon for packages containing runnable examples).
Name | Description |
---|---|
BalancingDelta | Balancing an unsymmetrical delta-connected load |
BalancingStar | Balancing an unsymmetrical star-connected load |
TestSensors |   |
UnsymmetricalLoad | Unsymmetrical threephase load |
For the unsymmetrical load (resistor, capacitor and inductor) the parameters inductance L and capacitance C are chosen such way that the neutral current (see currentSensor0) is zero.
P.Vaske, Berechnung von Drehstromschaltungen (German, Calculation of polyphase circuits), Teubner 1973, page 42, example 18
Extends from Modelica.Icons.Example
(Icon for runnable examples).
Type | Name | Default | Description |
---|---|---|---|
Voltage | V | 100 | Source Voltage |
Frequency | f | 50 | Source frequency |
Resistance | R | 10 | Load resistance |
Inductance | L | R * sqrt(3) / (2 * Modelica.Constants.pi * f) | Load inductance |
Capacitance | C | (R * sqrt(3)) ^ (-1) / (2 * Modelica.Constants.pi * f) | Load capacitance |
For the unsymmetrical load (resistor, capacitor and inductor) the parameters inductance L and capacitance C are chosen such way that the magnitudes of the three phase currents (see currentSensor12, currentSensor23, currentSensor31) are equal.
P.Vaske, Berechnung von Drehstromschaltungen (German, Calculation of polyphase circuits), Teubner 1973, page 43, example 23
Extends from Modelica.Icons.Example
(Icon for runnable examples).
Type | Name | Default | Description |
---|---|---|---|
Integer | m | 3 | Number of phases |
Voltage | V_LL | 100 | Source voltage line-to-line |
Frequency | f | 50 | Source frequency |
Resistance | R | 10 | Load resistance |
Inductance | L | R * sqrt(3) / (2 * Modelica.Constants.pi * f) | Load inductance |
Capacitance | C | (R * sqrt(3)) ^ (-1) / (2 * Modelica.Constants.pi * f) | Load capacitance |
This example shows an unsymmetrical load, in the upper with neutral connection (the singlephase current sensor measures the neutral current) and in the lower without neutral connection (the singlephase voltage sensor measures the neutral displacement).
Extends from Modelica.Icons.Example
(Icon for runnable examples).
Test quasistationary multiphase sensors: A sinusoidal source feeds a load consisting of resistor and inductor.
Extends from Modelica.Icons.Example
(Icon for runnable examples).
Type | Name | Default | Description |
---|---|---|---|
Voltage | VRMS | 100 | Nominal RMS voltage per phase |
Frequency | f | 50 | Frequency |
Resistance | R | sqrt(2) ^ (-1) | Load resistance |
Inductance | L | sqrt(2) ^ (-1) / (2 * pi * f) | Load inductance |
final Impedance | Z | sqrt(R ^ 2 + (2 * pi * f * L) ^ 2) | Load impedance |
final Current | IRMS | VRMS / Z | Steady state RMS current |
final ActivePower | P | 3 * R * IRMS ^ 2 | Total active power |
final ReactivePower | Q | 3 * (2 * pi * f * L) * IRMS ^ 2 | Total reactive power |
final ApparentPower | S | 3 * Z * IRMS ^ 2 | Total apparent power |
Generated 2018-12-12 12:10:32 EST by MapleSim.