Modelica.Electrical.Analog.Examples

Examples that demonstrate the usage of the Analog electrical components

Information

This package contains examples that demonstrate the usage of the components of the Electrical.Analog library.

The examples are simple to understand. They will show a typical behavior of the components, and they will give hints to users.

Extends from Modelica.Icons.ExamplesPackage (Icon for packages containing runnable examples).

Package Content

Name Description
Modelica.Electrical.Analog.Examples.CauerLowPassAnalog CauerLowPassAnalog Cauer low pass filter with analog components
Modelica.Electrical.Analog.Examples.CauerLowPassOPV CauerLowPassOPV Cauer low pass filter with operational amplifiers
Modelica.Electrical.Analog.Examples.CauerLowPassSC CauerLowPassSC Cauer low-pass filter with operational amplifiers and switched capacitors
Modelica.Electrical.Analog.Examples.CharacteristicIdealDiodes CharacteristicIdealDiodes Characteristic of ideal diodes
Modelica.Electrical.Analog.Examples.CharacteristicThyristors CharacteristicThyristors Characteristic of ideal thyristors
Modelica.Electrical.Analog.Examples.ChuaCircuit ChuaCircuit Chua's circuit, ns, V, A
Modelica.Electrical.Analog.Examples.DifferenceAmplifier DifferenceAmplifier Simple NPN transistor amplifier circuit
Modelica.Electrical.Analog.Examples.HeatingMOSInverter HeatingMOSInverter Heating MOS Inverter
Modelica.Electrical.Analog.Examples.HeatingNPN_OrGate HeatingNPN_OrGate Heating NPN Or Gate
Modelica.Electrical.Analog.Examples.HeatingPNP_NORGate HeatingPNP_NORGate Heating PNP NOR Gate
Modelica.Electrical.Analog.Examples.HeatingResistor HeatingResistor Heating resistor
Modelica.Electrical.Analog.Examples.HeatingRectifier HeatingRectifier Heating rectifier
Modelica.Electrical.Analog.Examples.NandGate NandGate CMOS NAND Gate (see Tietze/Schenk, page 157)
Modelica.Electrical.Analog.Examples.OvervoltageProtection OvervoltageProtection Example for Zener diodes
Modelica.Electrical.Analog.Examples.Rectifier Rectifier B6 diode bridge
Modelica.Electrical.Analog.Examples.ShowSaturatingInductor ShowSaturatingInductor Simple demo to show behaviour of SaturatingInductor component
Modelica.Electrical.Analog.Examples.ShowVariableResistor ShowVariableResistor Simple demo of a VariableResistor model
Modelica.Electrical.Analog.Examples.SwitchWithArc SwitchWithArc Comparison of switch models both with and without arc
Modelica.Electrical.Analog.Examples.ThyristorBehaviourTest ThyristorBehaviourTest Thyristor demonstration example
Modelica.Electrical.Analog.Examples.AmplifierWithOpAmpDetailed AmplifierWithOpAmpDetailed Simple Amplifier circuit which uses OpAmpDetailed
Modelica.Electrical.Analog.Examples.CompareTransformers CompareTransformers Transformer circuit to show the magnetization facilities
Modelica.Electrical.Analog.Examples.ControlledSwitchWithArc ControlledSwitchWithArc Comparison of controlled switch models both with and without arc
Modelica.Electrical.Analog.Examples.SimpleTriacCircuit SimpleTriacCircuit Simple triac test circuit
Modelica.Electrical.Analog.Examples.IdealTriacCircuit IdealTriacCircuit Ideal triac test circuit
Modelica.Electrical.Analog.Examples.AD_DA_conversion AD_DA_conversion Conversion circuit
Modelica.Electrical.Analog.Examples.GenerationOfFMUs GenerationOfFMUs Example to demonstrate variants to generate FMUs (Functional Mock-up Units)
Modelica.Electrical.Analog.Examples.ResonanceCircuits ResonanceCircuits Resonance circuits: example to demonstrate generation of FMUs (Functional Mock-up Units)
Modelica.Electrical.Analog.Examples.InvertingAmp InvertingAmp Inverting amplifier
Modelica.Electrical.Analog.Examples.OpAmps OpAmps Examples with operational amplifiers
Modelica.Electrical.Analog.Examples.Utilities Utilities Utility components used by package Examples

Modelica.Electrical.Analog.Examples.CauerLowPassAnalog Modelica.Electrical.Analog.Examples.CauerLowPassAnalog

Cauer low pass filter with analog components

Information

The example Cauer Filter is a low-pass-filter of the fifth order. It is realized using an analog network. The voltage source V is the input voltage (step), and the R2.p.v is the filter output voltage. The pulse response is calculated.

The simulation end time should be 60. Please plot both V.p.v (input voltage) and R2.p.v (output voltage).

Extends from Modelica.Icons.Example (Icon for runnable examples).

Parameters

NameDescription
l1filter coefficient I1 [H]
l2filter coefficient I2 [H]
c1filter coefficient c1 [F]
c2filter coefficient c2 [F]
c3filter coefficient c3 [F]
c4filter coefficient c4 [F]
c5filter coefficient c5 [F]

Modelica.Electrical.Analog.Examples.CauerLowPassOPV Modelica.Electrical.Analog.Examples.CauerLowPassOPV

Cauer low pass filter with operational amplifiers

Information

The example Cauer Filter is a low-pass-filter of the fifth order. It is realized using an analog network with operational amplifiers. The voltage source V is the input voltage (step), and the OP5.out.v is the filter output voltage. The pulse response is calculated.

This model is identical to the CauerLowPassAnalog example, but inverting. To get the same response as that of the CauerLowPassAnalog example, a negative voltage step is used as input.

The simulation end time should be 60. Please plot both V.v (which is the inverted input voltage) and OP5.p.v (output voltage). Compare this result with the CauerLowPassAnalog result.

During translation some warnings are issued concerning resistor values (Value=-1 not in range [0,1e100]). Do not worry about it. The negative values are o.k.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Parameters

NameDescription
l1filter coefficient i1 [F]
l2filter coefficient i2 [F]
c1filter coefficient c1 [F]
c2filter coefficient c2 [F]
c3filter coefficient c3 [F]
c4filter coefficient c4 [F]
c5filter coefficient c5 [F]

Modelica.Electrical.Analog.Examples.CauerLowPassSC Modelica.Electrical.Analog.Examples.CauerLowPassSC

Cauer low-pass filter with operational amplifiers and switched capacitors

Information

The example CauerLowPassSC is a low-pass-filter of the fifth order. It is realized using an switched-capacitor network with operational amplifiers. The voltage source V is the input voltage (step), and the OP5.out.v is the filter output voltage. The pulse response is calculated.

This model is identical to the CauerLowPassAnalog example, but inverting. To get the same response as that of the CauerLowPassAnalog example, a negative voltage step is used as input.

This model is identical to the CauerLowPassOPV example. But the resistors are realized by switched capacitors (see SwitchedCapacitor). There are two different types of instances, one with a value of R=1 and one with a value of R=-1.

The simulation end time should be 60. Please plot both V.v (which is the inverted input voltage) and OP5.out.v (output voltage). Compare this result with the CauerLowPassAnalog result.

Due to the recharging of the capacitances after switching the performance of simulation is not as good as in the CauerLowPassOPV example.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Parameters

NameDescription
l1filter coefficient i1 [F]
l2filter coefficient i2 [F]
c1filter coefficient c1 [F]
c2filter coefficient c2 [F]
c3filter coefficient c3 [F]
c4filter coefficient c4 [F]
c5filter coefficient c5 [F]

Modelica.Electrical.Analog.Examples.CharacteristicIdealDiodes Modelica.Electrical.Analog.Examples.CharacteristicIdealDiodes

Characteristic of ideal diodes

Information

Three examples of ideal diodes are shown:
the totally ideal diode (Ideal) with all parameters to be zero, the nearly ideal diode with Ron=0.1 and Goff=0.1 and the nearly ideal but displaced diode with Vknee=5 and Ron=0.1 and Goff=0.1. The resistance and conductance are chosen untypically high since the slopes should be seen in the graphics.

Simulate until T=1 s. Plot in separate windows: Ideal.i versus Ideal.v, With_Ron_Goff.i versus With_Ron_Goff.v, With_Ron_Goff_Vknee.i versus With_Ron_Goff_Vknee.v

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.CharacteristicThyristors Modelica.Electrical.Analog.Examples.CharacteristicThyristors

Characteristic of ideal thyristors

Information

This example compares the behavior of the ideal thyristor and the ideal GTO thyristor with Vknee=1 both. The thyristors IdealThyristor1 and IdealGTOThyristor1 are controlled by an unregular Boolean fire signal. The aim is to show several cases for the fire signal in combination with the state (s<0 or s>0)of the thyristors. Please simulate until 6 seconds and compare IdealThyristor1.v with IdealGTOThyristor1.v, the same with IdealThyristor1.s and IdealGTOThyristor1.s (attention: s is a protected variable in each thyristor). Also compare IdealThyristor1.off and IdealGTOThyristor1.off and have a look at the fire signal (e.g. IdealThyristor1.fire). It can be seen that the IdealGTOThyristor1 reacts on switching off the fire signal whereas the IdealThyristor1 does not show this behavior.

The other thyristors IdealThyristor2 and IdealGTOThyristor2 are controlled by an periodic Boolean fire signal to show a typical use case. Please compare IdealThyristor2.v with IdealGTOThyristor2.v

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.ChuaCircuit Modelica.Electrical.Analog.Examples.ChuaCircuit

Chua's circuit, ns, V, A

Information

Chua's circuit is the most simple nonlinear circuit which shows chaotic behaviour. The circuit consists of linear basic elements (capacitors, resistor, conductor, inductor), and one nonlinear element, which is called Chua's diode. The chaotic behaviour is simulated.

The simulation end time should be set to 5e4. To get the chaotic behaviour please plot C1.v. Choose C2.v as the independent variable .

Reference:

Kennedy, M.P.: Three Steps to Chaos - Part I: Evolution. IEEE Transactions on CAS I 40 (1993)10, 640-656

Extends from Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.DifferenceAmplifier Modelica.Electrical.Analog.Examples.DifferenceAmplifier

Simple NPN transistor amplifier circuit

Information

It is a simple NPN transistor amplifier circuit. The voltage difference between R1.p and R3.n is amplified. The output signal is the voltage between R2.n and R4.n. In this example the voltage at V1 is amplified because R3.n is grounded.

The simulation end time should be set to 1e- 8. Please plot the input voltage V1.v, and the output voltages R2.n.v, and R4.n.v.

Reference:

Tietze, U.; Schenk, Ch.: Halbleiter-Schaltungstechnik. Springer-Verlag Berlin Heidelberg NewYork 1980, p. 59

Extends from Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.HeatingMOSInverter Modelica.Electrical.Analog.Examples.HeatingMOSInverter

Heating MOS Inverter

Information

The heating MOS inverter shows a heat flow always if a transistor is leading.

Simulate until T=5 s. Plot in separate windows:
Sin.p.v and Capacitor1.p.v
HeatCapacitor1.port.T and H_PMOS.heatPort.T and H_NMOS.heatPort.T
H_PMOS.heatPort.Q_flow and H_NMOS.heatPort.Q_flow

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.HeatingNPN_OrGate Modelica.Electrical.Analog.Examples.HeatingNPN_OrGate

Heating NPN Or Gate

Information

The heating "NPN or" gate shows a heat flow always if a transistor is leading.

Simulate until T=200 s. Plot in separate windows:
V1.v and V2.v and C2.v
HeatCapacitor1.port.T and T1.heatPort.T and T2.heatPort.T
T1.heatPort.Q_flow and T2.heatPort.Q_flow

Extends from Modelica.Icons.Example (Icon for runnable examples).

Parameters

NameDescription
CapVal[F]
tauVal[s]

Modelica.Electrical.Analog.Examples.HeatingPNP_NORGate Modelica.Electrical.Analog.Examples.HeatingPNP_NORGate

Heating PNP NOR Gate

Information

The heating "PNP NOR" gate shows a heat flow always if a transistor is conducting.

Simulate until T=200 s. Plot V1.v and V2.v and C2.v to see the NOR-functionality. High potential is -6V which means logic "true". Low potential is 0V which means logic "false".

To see which transistor is conducting one can have a look at the temperatures T1.heatPort.T and T2.heatPort.T and the heat flows T1.heatPort.Q_flow and T2.heatPort.Q_flow of the heatports of the transistors T1 and T2.

They are different from zero if the transistor is conducting.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Parameters

NameDescription
CapVal[F]
tauVal[s]

Modelica.Electrical.Analog.Examples.HeatingResistor Modelica.Electrical.Analog.Examples.HeatingResistor

Heating resistor

Information

This is a very simple circuit consisting of a voltage source and a resistor. The loss power in the resistor is transported to the environment via its heatPort.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.HeatingRectifier Modelica.Electrical.Analog.Examples.HeatingRectifier

Heating rectifier

Information

The heating rectifier shows a heat flow always if the electrical capacitor is loaded.

Simulate until T=5 s.Plot in separate windows:
SineVoltage1.v and Capacitor1.p.v
HeatCapacitor1.port.T and HeatingDiode1.heatPort.T
HeatingDiode1.heatPort.Q_flow

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.NandGate Modelica.Electrical.Analog.Examples.NandGate

CMOS NAND Gate (see Tietze/Schenk, page 157)

Information

The nand gate is a basic CMOS building block. It consists of four CMOS transistors. The output voltage Nand.y.v is low if and only if the two input voltages at Nand.x1.v and Nand.x2.v are both high. In this way the nand functionality is realized.

The simulation end time should be set to 1e-7. Please plot the input voltages Nand.x1.v, d Nand.x2.v, and the output voltage Nand.y.v.

Reference:

Tietze, U.; Schenk, Ch.: Halbleiter-Schaltungstechnik. Springer-Verlag Berlin Heidelberg NewYork 1980, p. 157

Extends from Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.OvervoltageProtection Modelica.Electrical.Analog.Examples.OvervoltageProtection

Example for Zener diodes

Information

This example is a simple circuit for overvoltage protection. If the voltage zDiode_1.n.v is too high, the Diode zDiode_2 breaks through and the voltage gets down.

The simulation end time should be set to 0.4. To get the typical behaviour please plot sineVoltage.p.v, RL.p.v, zDiode_2.n.v and zDiode_1.n.i.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.Rectifier Modelica.Electrical.Analog.Examples.Rectifier

B6 diode bridge

Information

The rectifier example shows a B6 diode bridge fed by a three phase sinusoidal voltage, loaded by a DC current. DC capacitors start at ideal no-load voltage, thus making easier initial transient.

Simulate until T=0.1 s. Plot in separate windows:
uDC ... DC-voltage
iAC ... AC-currents 1..3
uAC ... AC-voltages 1..3 (distorted)
Try different load currents iDC = 0..approximately 500 A. You may watch losses (of the whole diode bridge) trying different diode parameters.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Parameters

NameDescription
VACRMS line-to-line [V]
fline frequency [Hz]
LACline inductor [H]
Rondiode forward resistance [Ohm]
Goffdiode backward conductance [S]
Vkneediode threshold voltage [V]
CDCDC capacitance [F]
IDCload current [A]

Modelica.Electrical.Analog.Examples.ShowSaturatingInductor Modelica.Electrical.Analog.Examples.ShowSaturatingInductor

Simple demo to show behaviour of SaturatingInductor component

Information

This simple circuit uses the saturating inductor which has a changing inductivity.

This circuit should be simulated until 1 s. Compare SaturatingInductance1.p.i with Inductance1.p.i to see the difference between saturating and ideal inductor.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Parameters

NameDescription
LzerInductance near current=0 [H]
LnomNominal inductance at Nominal current [H]
InomNominal current [A]
LinfInductance at large currents [H]
USource voltage (peak) [V]
fSource frequency [Hz]
phaseSource voltage phase shift [rad]

Modelica.Electrical.Analog.Examples.ShowVariableResistor Modelica.Electrical.Analog.Examples.ShowVariableResistor

Simple demo of a VariableResistor model

Information

It is a simple test circuit for the VariableResistor. The VariableResistor should be compared with R2.

Simulate until T=1 s.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.SwitchWithArc Modelica.Electrical.Analog.Examples.SwitchWithArc

Comparison of switch models both with and without arc

Information

This example is to compare the behaviour of switch models with and without an electric arc taking into consideration.

The difference in the closing area shows that the simple arc model avoids the suddenly switching.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.ThyristorBehaviourTest Modelica.Electrical.Analog.Examples.ThyristorBehaviourTest

Thyristor demonstration example

Information

This is a simple test circuit, to test the behavior of the thyristor model.

Interesting values to plot are Cathode.v, Gate.v and sineVoltage.p.v. and in another plot window pulseCurrent.p.i

The simulation time should be from 0 seconds to 2e-4 seconds.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.AmplifierWithOpAmpDetailed Modelica.Electrical.Analog.Examples.AmplifierWithOpAmpDetailed

Simple Amplifier circuit which uses OpAmpDetailed

Information

With the test circuit AmplifierWithOpAmpDetailed a time domain analysis of the example arrangement with a sinusoidal input voltage (12 V amplitude, frequency 1 kHz) using the operational amplifier model OpAmpDetailed is carried out. The working voltages are 15 V and -15 V.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.CompareTransformers Modelica.Electrical.Analog.Examples.CompareTransformers

Transformer circuit to show the magnetization facilities

Information

This example is to demonstrate the behaviour of transformer models. The Basic.Transformer, which consists of mutual coupled inductors, is compared with the ideal transformer model. If the ideal model is used with considerMagnetization=true leakage inductances are taken into account, otherwise not. The example is constructed in such a way that the ideal transformer circuit with considerMagnetization=true shows the same behaviour as the basic transformer.

Simulate until T=50 s with both considerMagnetization=false and considerMagnetization=true of the ideal transformer. Plot in separate windows for comparison:
basicTransformer.p1.v and idealTransformer.p1.v
basicTransformer.p1.i and idealTransformer.p1.i
basicTransformer.p2.v and idealTransformer.p2.v basicTransformer.p2.i and idealTransformer.p2.i

Extends from Modelica.Icons.Example (Icon for runnable examples).

Parameters

NameDescription
VdcDC offset of voltage source [V]
VpeakPeak voltage of voltage source [V]
fFrequency of voltage source [Hz]
phi0Phase of voltage source [rad]
nTurns ratio primary:secondary voltage
R1Primary resistance w.r.t. primary side [Ohm]
L1sigmaPrimary leakage inductance w.r.t. primary side [H]
Lm1Magnetizing inductance w.r.t. primary side [H]
L2sigmaSecondary leakage inductance w.r.t. secondary side [H]
R2Secondary resistance w.r.t. secondary side [Ohm]
RLLoad resistance [Ohm]

Modelica.Electrical.Analog.Examples.ControlledSwitchWithArc Modelica.Electrical.Analog.Examples.ControlledSwitchWithArc

Comparison of controlled switch models both with and without arc

Information

This example is to compare the behaviour of switch models with and without an electric arc taking into consideration.

The difference in the closing area shows that the simple arc model avoids the suddenly switching.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.SimpleTriacCircuit Modelica.Electrical.Analog.Examples.SimpleTriacCircuit

Simple triac test circuit

Information

The simple TRIAC example shows how the SimpleTriac is used within an alternating current circuit.

The TRIAC is not conducting until the Gate input g becomes positive. Then it becomes "conducting". If the TRIAC voltage changes its direction, the TRIAC becomes blocking. Due to the antiparallel connection of the internal two thyristors the same behavior is repeated in the negative half-wave.

Simulate until 0.001 seconds. Display V.p.v (input voltage), simpleTriac.g.i (gate input), and both simplelTriac.n.v and simpleTriac.n.i, which demonstrate the TRIAC behavior.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.IdealTriacCircuit Modelica.Electrical.Analog.Examples.IdealTriacCircuit

Ideal triac test circuit

Information

The simple ideal TRIAC example shows how a triac is used within an alternating current circuit.

The TRIAC is not conducting until the Boolean input becomes true (internally coded by 1, therefore the input is called fire1). Then it becomes "conducting", the knee voltage is reached. If the TRIAC voltage falls below the knee voltage, the TRIAC becomes blocking. Due to the antiparallel connection of the internal two thyristors the same behavior is repeated in the negative half-wave.

Simulate until 2 seconds. Display V.p.v (input voltage), booleanPulse.y (fire1 input), and both idealTriac.n.v and idealTriac.n.i, which demonstrate the TRIAC behavior.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.AD_DA_conversion Modelica.Electrical.Analog.Examples.AD_DA_conversion

Conversion circuit

Information

The simple converter circuit converts an analog sine signal into a N-bit (by default a 4 bit) logic signal, which is converted backward into an analog signal.

Compare the input voltage (aD_Converter.p.v) with the output voltage (dA_Converter.p.v). By changing N the influence of the digital signal width can be studied. Otherwise the trigger frequency pulse.period can be changed to see its influence.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Parameters

NameDescription
NDigital signal width

Modelica.Electrical.Analog.Examples.GenerationOfFMUs Modelica.Electrical.Analog.Examples.GenerationOfFMUs

Example to demonstrate variants to generate FMUs (Functional Mock-up Units)

Information

This example demonstrates how to generate an input/output block (e.g. in form of an FMU - Functional Mock-up Unit) from various Electrical components. The goal is to export such an input/output block from Modelica and import it in another modeling environment. The essential issue is that before exporting it must be known in which way the component is utilized in the target environment. Depending on the target usage, different connector variables need to be in the interface with either input or output causality. Note, this example model can be used to test the FMU export/import of a Modelica tool. Just export the components marked in the icons as "toFMU" as FMUs and import them back. The models should then still work and give the same results as a pure Modelica model.

Connecting two capacitors
The first part (DirectCapacitor, InverseCapacitor) demonstrates how to export two capacitors and connect them together in a target system. This requires that one of the capacitors (here: DirectCapacitor) is defined to have states and the voltage and derivative of voltage are provided in the interface. The other capacitor (here: InverseCapacitor) requires current according to the provided input voltage and derivative of voltage.

Connecting a resistance element between two capacitors
The second part (Resistor2) demonstrates how to export a resistance element that needs only voltages for its resistance law and connect this resistance law in a target system between two capacitors.

Connecting two inductors
The third part (DirectInductor, InverseInductor) demonstrates how to export two inductors and connect them together in a target system. This requires that one of the inductors (here: DirectInductor) is defined to have states and the current and derivative of current are provided in the interface. The other inductor (here: InverseInductor) requires voltage according to the provided input current and derivative of current.

Connecting a conductance element between two inductors
The fourth part (Conductor4) demonstrates how to export a conductance element that needs only currents for its conductance law and connect this conductance law in a target system between two inductors.

Bear in mind that separating physical components and connecting them via adaptor signals requires to place appropriate ground components to define electric potential within the subcircuits.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Modelica.Electrical.Analog.Examples.ResonanceCircuits Modelica.Electrical.Analog.Examples.ResonanceCircuits

Resonance circuits: example to demonstrate generation of FMUs (Functional Mock-up Units)

Information

This example demonstrates how to couple the components of a parallel resonance circuit (upper part) and a series resonance circuit (lower part) not directly but using adaptors between physical connectors and input/output signals. Taking into account which derivatives are required, these components can be exported as input/output blocks (e.g. in form of an FMU - Functional Mock-up Unit). Connecting these input/output blocks should give the same results as connecting the physical components directly.

Bear in mind that separating physical components and connecting them via adaptor signals requires to place appropriate ground components to define electric potential within the subcircuits.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Parameters

NameDescription
CCapacitance [F]
LInductance [H]
resf/fResonanace
fSource frequency [Hz]

Modelica.Electrical.Analog.Examples.InvertingAmp Modelica.Electrical.Analog.Examples.InvertingAmp

Inverting amplifier

Information

This is an inverting amplifier. Resistance R1 can be chosen, R2 is defined by the desired amplification k.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Parameters

NameDescription
VpsPositive supply [V]
VnsNegative supply [V]
VinAmplitude of input voltage [V]
fFrequency of input voltage [Hz]
kDesired amplification
R1Arbitrary resistance [Ohm]
R2Calculated resistance to reach desired amplification k [Ohm]
Automatically generated Thu Dec 19 17:19:53 2019.