Source controlled multiple controlling sources voltage source. To rotate parts so that they will fit in your circuit. Three phase sinewave using spwm output voltage difference and harmonic distortion problem with pwm voltage at mosfet gate in three phase inverter symmetric three phase voltage. The ground can be obtained by clicking on the right side bar menu, and then select 0source in the place ground window as shown in figure below. Variable phase vsin source the phase isnt displayed as a property on the vsin component in the source library. So far we have covered circuits with resistors and independent sources. Use of pspice model in ltspice mosfets from infineon. Anyway, if you were looking for pspice for mac, you can try these applications, as these circuit simulators are also quite handy and have similar functions and features. These lab exercise require a 3phase voltage source that can output 12v pp per phase and a current of at least 100ma rms per phase. Note that freewheeling diodes are an integral part of every. Experiments provided may be performed using a solderless breadboard, inexpensive parts, oscilloscope, function generator, and a low voltage 3phase source. Eldridge alcantara winter 2009 updated fall 2009 1 overview. The windings a, b and c are y connected armature windings with the neutral isolated from the ground. For a transient type analysis, one of possible input source is vpwl piecewise linear voltage source.
Pspice computer model of a nonlinear threephase threelegged. Add a component add a resistor press r or click the resistor button to insert a resistor. This netlist is a list of components and the nodes they connect to. The embedded model of the machine contains a component with 4 coupled windings. When making measurements it is important to know if the power supply and test equipment share a common ground or if they are isolated. Once the vsin part is on the schematic, double click on it to assign its parameter values.
While spice 3 was developed to include new features, it continues to support. Modeling of three phase three leg transformer operating under different types of voltage sag in pspice is implemented in 3. The most popular mac alternative is circuit simulator, which is both free and open source. Macspice then builds a numerical model of the circuit and analyses this. This tutorial introduces the dependent source elements in pspice. Download orcad free trial now to have a full evaluation of all orcad tools with no functionality limitations. Vbat in an ideal motor, r and l are zero ephe 102v ke ephe.
Unsymmetrical voltage sag effect on transformer and current peak relation with type of voltage sags, duration and depth was investigated. If that doesnt suit you, our users have ranked 28 alternatives to pspice and ten of them are available for mac so hopefully you can find a. Three phase inverter with star connected inductive load. This type of source can be either a voltage or a current source. All of the three phase experiments may be done with a 12 volt peaktopeak, line to neutral, source capable of supplying up to 125mw per phase. Similar to bias point, expect that the value of one dc source in the circuit can be varied over some range, and the currents and voltages in the circuit are calculated at each dc source value.
For instance, suppose we wanted to make the voltage source above model. Basic circuit simulation with ltspice technical articles. Pspice student is sometimes distributed under different names, such as pspice student thinstalled. Ii simulation of three phase voltage source inverter with pspice to illustrate the capabilities of the pspice simulation program, we present an example that shows a complete threephase inverter bridge using six power mosfets. This download was checked by our antivirus and was rated as virus free. Use vsin under the source library to build the threephase voltages. Popular open source alternatives to pspice for linux, windows, mac, web, software as a service saas and more. As for the voltage sources, for this circuit youll want to simply enter dc values. For the circuit shown, use pspice and probe to graph the instantaneous voltage, current and power over one cycle.
At this time, we will introduce three new independent source types and two new dependent source types. Consequently, the power in the two phase machine is only 23 of the power in the three phase circuit. Sometimes one would like to figure out voltage, current, or power for a given circuit. Since we want to plot the voltage and current versus time, the transient analysis is used. The next couple of sections will instruct you on how to draw a full circuit. Click on the 0 in the phase field and change it to the appropriate value. When the simulator attempts to find the circuits initial solution, this is the equivalent to hooking the transformer up to a large dc voltage source. In this paper a three phase three leg transformer and all. Ft where vdc is a constant dc voltage, vampl is the peak amplitude of a sine wave voltage, and f is the frequency of the sine wave. This uses a constant amplitude ac source whose frequency can be varied over some range. Pspice is a circuit analysis program, developed by microsim corporation, based on the well known spice program simulation program for integrated circuit evaluation developed at the university of californiaberkeley.
Note that a phase shift of 90 degree is what we expect between the current and voltage signals across a capacitor. Most typically, we will use a voltage source with an amplitude of 1 v. With this circuit, well be sweeping voltage from the fet gate to ground with a defined range of 0 to 10 volts. The dc sweep analysis varies a voltage source over a range of voltages in an assigned number of. Note that the right side of the device goes where the voltage source appears in the circuit. How to simulate a three phase voltage source in orcad capture. Sep 06, 2011 three phase inverter with star connected inductive load. This allows you to make a plot of the magnitude andor phase of any voltage or current in the. Orcad free trialorcad trial provides full version of the latest release of orcad electronic design software solutions for free for a limited time, including orcad capture cis, orcad pspice designer, orcad pcb designer professional, orcad sigrity erc, and more. Well begin by selecting the simulation icon to open the simulation dialog. Permanent magnet synchronous machine model for real.
I find really annoying to shut down my mac and then change my partition disk to windows and then use pspice. Places new voltage or phase probes on your schematic. You can rotate parts by highlighting the part leftclick and. The threephase voltages are made up of three ac sinusoidal singlephase voltage sources as shown in figure 11. To do this, place the vsin component on your schematic. Learn about the new spice simulation in autodesk eagle 8. Apr 26, 2019 pspice is not available for mac but there are some alternatives that runs on macos with similar functionality. This tutorial will teach you all you need to know about pspice for ece 65. This allows you to make a plot of a voltage or current in the circuit as a function of the dc source voltage. Cadence pspice technology offers more than 33,000 models covering various types of devices that are included in the pspice software. Connect a 0source ground to the neutral points node n and n in figure 1. Pspice ad digital simulation condition messages 61. Pspice by cadence design systems, inc is a native analog and mixedsignal circuit simulator.
To display a bode plot of the output voltage, including phase in schematics, from the markers menu, select mark advanced. The exp type of source is an exponential voltage, illustrated here. Ltspice guide click on the swcad iii shortcut created by the software installation. For the purpose of this tutorial we will only need the analog and the source library. One problem though, pspice ploted the current and the voltage on the same axis. If you doubleclick the e1 dependent voltage source in pspice, you may find the gain property. This is an overview of ac and dc simulation, as well as how to analyze. Users may prepare netlists with a text editor, or derive them from a circuit diagram using a thirdparty schematiccapture application. Instructions for ee 42 pspice assignment you can install. A transformer is an integral part of power electronic equipment and it is usually the input stage of. The initial current in the inductor is given to be 10. Nearly all circuits that you simulate need a voltage source of some kind. When the simulator attempts to find the circuits initial solution, this is the equivalent to hooking the transformer up.
This means that the voltage and current levels in the two phase and the three phase machine are equal. All of the threephase experiments may be done with a 12 volt peaktopeak, line to neutral, source capable of supplying up to 125mw per phase. Ltspice is a versatile, accurate, and free circuit simulator available for windows and mac. The spice simulator in eagle uses ngspice, an open source successor of spice 3f5. Anything in is a library, which contains many parts. If that doesnt suit you, our users have ranked 28 alternatives to pspice and ten of them are available for mac so hopefully you can find a suitable replacement. Simulation of three phase inverters using pspice part 1 of 2. An equivalent circuit for the threephase rectifier. Unsymmetrical voltage sag effect on three phase three leg transformer. You can either select the current and multiply it by or plot it. An annoying problem in pspice is the inability to change some properties of the part.
Pspice ac5 three phase system transient mode youtube. Ltspice tutorial wilfrid laurier university physics labs. This by no means completes the list of possible sources in pspice, but these new sources will add a great deal of capability to our circuit modeling efforts. Im trying to simulate a full wave three phase rectifier with capture pspice, but can t find any part that offers a sinusoidal voltage source with adjustable phase. Close the library selection window and we will begin the construction of the following circuit.
A quick guide for pspice university of mississippi. Simulation of three phase inverters using pspice part 1 of 2 duration. Simulation of three phase inverters using pspice part 1 of. Print ac command tells pspice to report on the voltage magnitude and phase angle at node 3, and the current magnitude and phase angle for the current through resistor rm and the current magnitude and phase angle through capacitor cx. Figure 1 above shows an example of a circuit with a current controlled voltage source. The pspice version available at the university of mississippi can be used on a personal computer for sophisticated analysis of electric circuits of. Ac command sets up the analysis for a single solution at 60 hz. Dc transformer voltage controlled voltage source e. Since the amplitude of the voltage is 10 and the amplitude of the current is 4ma, the current looks like a flat line. Spice is a generalpurpose circuit simulation program for nonlinear dc, nonlinear. Macspice requires a textfile description of the circuit as input. Double click on it to bring up the property editor as shown below.
All schematics you draw on pspice will need the following. Cadence pspice technology combines industryleading, native analog, mixedsignal, and analysis engines to deliver a complete circuit simulation and verification solution. Program 3 lists the simnon program for the three phase rectifier simplified model. Pspice tutorial 3 using pspice for circuits with dependent sources the problems in this tutorial and the corresponding homework continue to deal with the dc analysis of circuits, or dc bias analysis in pspice. You can either select the current and multiply it by or plot it on a separate y axis. Permanent magnet synchronous machine model for real time. Pspice is not available for mac but there are some alternatives that runs on macos with similar functionality. Pspice computer model of a nonlinear threephase three.
Experiments provided may be performed using a solderless breadboard, inexpensive parts, oscilloscope, function generator, and a low voltage 3 phase source. An equivalent circuit for the three phase rectifier. The model allows entering the parameters of the pm machine as input. In ltspice, the humble voltage source rarely gets to demonstrate its. The ac complex voltages and currents are calculated at each frequency. Here we can see that dc sweep is the chosen simulation type with preconfigured source, start value, and end value parameters. May 12, 2017 note that the phase angle if left unspecified will be set by default to 0 exp. Open a new pspice project and enter this schematic. Modelling of three phase three leg transformer operating under different types of voltage sag in pspice was implemented and reported in 5. Explore 8 apps like pspice, all suggested and ranked by the alternativeto user community. The pspice user community is your destination to find pspice resources, ask and answer questions, and interact with your industry peers and pspice experts.
The value can also be edited by right clicking on the value of the component shown on the schematic instead of the component itself. Depending on the starting phase angle and delay specified for a sine source, this can be as much as the voltage at the peak of the sine wave. Pspice is being used as a simulation tool for analysis and design of power electronic circuits. Place a vphase marker on the output next to the vdb marker. Toggles the display of spice simulation results on your schematic. Three phase sinewave using spwm output voltage difference and harmonic distortion problem with pwm voltage at mosfet gate in threephase inverter symmetric threephase voltage.
Cadence pspice technology offers more than 33,000 models covering various types of devices that are included in. The values you type in for v1 and v2 will depend on the amplitude specified on the. Pspice schematic probes are placed in the circuit to measure the voltage across the resistor and the current through the inductor. Set spice device types and map spice models to either individual or multiple schematic symbols. Sep 07, 2018 popular open source alternatives to pspice for linux, windows, mac, web, software as a service saas and more.