PSIM User's Guide Quiz

General Information

• Version: PSIM User’s Guide 2020a, Release 1
• Copyright: 2001-2020 Powersim Inc.
• Disclaimer:
  • No guarantee of adequacy or accuracy of the information.
  • Powersim is not responsible for losses resulting from the use of this documentation.
• Email: [email protected]
• Website: powersimtech.com

Circuit Structure

• PSIM uses a block diagram approach (similar to Simulink) for circuit structuring.

Software/Hardware Requirement

• Operating System: Windows 7 / 8 / 10 (32-bit or 64-bit)
• RAM: 1 GB recommended, 4 GB or more preferred for complex simulations.
• CPU: Dual-core processor or higher recommended for optimal speed.

Installing the Program

• Download the latest version of PSIM from the official website.
• Run the installation file (usually an .exe file).
• Follow the installation instructions provided by the installer.

Simulating a Circuit

• Circuit Design:
  • Create a circuit using the available elements from the library.
• Simulation Parameters:
  • Define simulation parameters like start time, stop time, and step size.
• Running Simulation:
  • Execute the simulation to analyze the circuit's behavior.

Simulation Control

• Start/Stop Simulation:
  • Use the designated buttons to initiate or halt the simulation.
• Pause/Continue Simulation:
  • Temporarily pause the simulation and then continue it.
• Single Step:
  • Advance the simulation one step at a time for detailed observation.
• Simulation Speed Control:
  • Adjust the playback speed of the simulation in SIMVIEW (the output waveform viewer).
• Simulation Accuracy:
  • Controls the precision of the simulation results.

Component Parameter Specification and Format

• Parameter Specification:
  • Each component has specific parameters for defining its behavior.
  • Parameters are entered using units (e.g., R1 = 100 Ohm).
• Format:
  • Units must be consistent across the circuit.
  • Use the correct capitalization for units (e.g., Ohm, V, Hz).
• Parameter Examples:
  • Resistor: Resistance value (R1 = 100 Ohm), Power rating (P = 1 W)
  • Inductor: Inductance value (L1 = 10 mH), DC resistance (R = 1 Ohm)

Circuit Schematic Design

PSIM Environment

• Graphical Interface:
  • PSIM utilizes a graphical interface for circuit design and analysis.
• Workspace:
  • The workspace is the main area for circuit design and simulation.
• Toolbars:
  • Toolbars offer quick access to frequently used commands and elements.
• Libraries:
  • A library of pre-defined circuit components are available.
• SIMVIEW:
  • A built-in viewer for analyzing simulation results.

Creating a Circuit

• Add Components:
  • Drag and drop elements from the library onto the workspace to create a circuit.
• Connect Components:
  • Use the "wire" tool to connect components and create circuit paths.
• Edit Properties:
  • Double-click on components to modify their parameters or properties.
• Add Ground:
  • Add the ground symbol to define the reference point in the circuit.

File Menu

• New:
  • Create a new circuit design file.
• Open:
  • Open an existing circuit design file.
• Save:
  • Save the current circuit design file.
• Save As:
  • Save the current circuit design file with a new name or location.
• Print:
• Print the current circuit schematic.

Edit Menu

• Undo/Redo:
  • Revert or reapply previous actions.
• Cut/Copy/Paste:
  • Standard editing operations for components and settings.
• Delete:
  • Remove selected components from the workspace.
• Select All:
  • Select all components in the circuit design.

View Menu

• Zoom In/Out: - Change the magnification of the workspace.
• Fit to Window:
  • Resize the circuit to fit within the current window size.
• Grid:
  • Toggle the display of grid lines.
• Toolbars:
  • Show or hide specific toolbars.
  • Customize toolbar layout
• Status Bar:
  • Display information related to current actions and selections.

Design Suites Menu

• AC/DC:
  • Select a pre-defined set of components related to AC or DC circuits.
• Power Electronics:
  • Select a collection of commonly used power electronics components.
• Motor Drive:
  • Access a set of components for motor drive system modeling.
• Digital Controls:
  • Utilize components for designing digital logic circuits.
• Other Component Libraries:
  • Access other collections of components like optical, mechanical, and more.

Subcircuit Menu

Creating Subcircuit - In the Main Circuit

• Subcircuit Creation:
  • Create a new subcircuit within a project by using the Subcircuit menu option.
  • This creates a new window that will be used to build your subcircuit.
• Subcircuit Symbol:
  • PSIM will automatically create a subcircuit symbol and place it on your main circuit.
  • A subcircuit symbol is just a visual representation of the block of components you made within the subcircuit (e.g., the subcircuit block will be your subcircuit's "representation" in the main circuit).
• Connecting Pins:
  • You have the ability to connect your subcircuit symbol to your main circuit by utilizing specific points on your subcircuit symbol (i.e., "pins").
  • The pins are automatically generated and labeled by PSIM.
• Subcircuit Naming:
  • When you create a subcircuit, you have the option of naming it, which will also determine the name of the subcircuit symbol.

Creating Subcircuit - Inside the Subcircuit

• Adding Components:
  • Use the Elements menu to add components to build your subcircuit.
• Connecting Components:
  • Connect your components by using the wire tool.
• Parameter Setting:
• Clicking on the components you added will allow you to change their parameters (e.g., changing the resistance value of a resistor).
• Connecting pins:
  • Be sure to connect the components to the pins on the subcircuit symbol.
• Subcircuit Design:
  • The design of your subcircuit is just like designing a circuit within your main circuit.

Connecting Subcircuit - In the Main Circuit

• Subcircuit Placement:
  • Click on the subcircuit symbol (from the library or from your subcircuit window) and place it in your main circuit.
• ** Connecting Pins:**
  • You will be able to connect the subcircuit symbol to your main circuit.
  • PSIM automatically includes a reference to your subcircuit within the main circuit (e.g., the name of your subcircuit and "Symbol" will both appear in the main circuit).
  • You can rename the subcircuit reference in your project's main circuit.
• Subcircuit Connections:
  • You can connect the pin of your subcircuit symbol (from the main circuit) to other components in your main circuit.

Other Features of the Subcircuit

• Multiple Subcircuits: - You can use multiple subcircuits within a single project, and you can even use a subcircuit within another subcircuit.
• Simulating Subcircuits:
  • Using the Simulate menu, you can simulate your entire project along with the individual subcircuits.
• Troubleshooting:
  • You can quickly find errors and troubleshoot issues within your subcircuit.

Elements Menu

• Basic Elements:
  • Resistors, inductors, capacitors, sources, switches, etc.
• Power Electronics:
  • Diodes, transistors, thyristors, and other switching components.
• Transformers:
  • Ideal transformers, single-phase transformers, and three-phase transformers.
• Analog/Digital:
  • Operational amplifiers, comparators, and digital logic gates.
• Other Elements:
  • Motors, generators, mechanical elements, and more.

Simulate Menu

• Start Simulation:
  • Initiate the simulation process.
• Stop Simulation:
  • Halt the ongoing simulation.
• Pause/Continue Simulation: - Temporarily pause simulation and resume it.
• Single Step:
  • Advance the simulation by one time step for detailed analysis.
• Simulation Setting:
  • Configure simulation parameters like start time, stop time, and step size.
• Simulation Output: - View and analyze the simulation results in SIMVIEW.

Script Menu

• Create Script:
  • Create a .m (MATLAB) file for scripting and automating tasks.
• Edit Script:
  • Edit the script file.
• Run Script:
  • Execute the script to automate tasks or analyze data.
• Step Through Script:
  • Execute the script one line at a time for debugging and understanding the execution flow.
• Breakpoints:
  • Set breakpoints in the script code to pause execution at specific lines.
• Watch Values:
  • Monitor the values of variables during script execution.
• Call Back Function:
  • Use a subfunction or function in a script to perform a specific operation.

Options Menu

Setting Option

• Units:
  • Set the default units for various electrical parameters (e.g., Ohm, V, Hz).
• Simulation:
  • Configure the simulation settings like solver options, accuracy, and integration methods.
• Display:
  • Customize the appearance of the circuit schematic, including grid lines and component sizes.
• Keyboard:
  • Map keyboard shortcuts to commands for faster access.
• User Interface:
  • Customize the user interface by selecting themes, colors, and fonts.

Set Path Option

• PSIM Library:
  • Set the location of the PSIM component library.
• User Defined library:
  • Specify the path for custom libraries.
• Workspace:
  • Set the default workspace for saving projects.
• MATLAB/Simulink:
  • Define the location of the MATLAB/Simulink installation for co-simulation.
• External Programs:
  • Specify the paths of external programs (e.g., spreadsheets) that can be used for data exchange with PSIM.

Customizing Toolbars and Keyboards

• Toolbar Customization:
  • Drag and drop toolbar icons to reorganize the toolbar layout for your preference.
  • Add or remove toolbar icons based on your need.
• Keyboard Customization:
  • Assign keyboard shortcuts to frequently used commands for more efficient workflows.
• Shortcut Mapping:
  • Modify pre-defined keyboard shortcuts or create new ones.

Utilities Menu

• Component Properties:
  • Display and edit properties of components in the circuit schematic.
• Component Parameters:
  • Modify the values of component parameters.
• Import Component:
  • Import components from external sources (e.g., text files, databases).
• Export Component:
  • Export components to create a custom library or share with others.
• Measure:
  • Perform various circuit measurements (voltages, currents, power, etc.).
• Analysis:
  • Select from a range of analysis options like DC analysis, AC analysis, and transient analysis.
• Data Processing:
  • Process data obtained from simulation or analysis results.

Managing the PSIM Library

• PSIM Library:
  • The core component library.
• User Defined Library:
  • A custom library created for personal projects.
• Symbol Library:
  • Components represented using symbols (like a diode, transistor, etc.) rather than detailed circuit diagrams.

Creating a Secondary Image

• Image Representation:
  • Create a simplified representation of a component for user interface clarity.
• Secondary Image:
  • An alternate image added to the library along with the original detailed image.
• Image Selection:
  • Choose the desired image to be displayed in the circuit based on design needs.

Adding a New Subcircuit Element into the Library

• Subcircuit Element:
  • A subcircuit with pre-defined connections and parameters.
• Adding to Library:
  • Create the subcircuit in the main circuit.
  • Convert the subcircuit into a subcircuit element by using the Subcircuit menu.
  • Save the subcircuit element to the library for future projects.
• Subcircuit Element's Symbol:
  • A symbol created within the subcircuit that represents the entire subcircuit.

Adding a New DLL Element into the Library

• DLL Element:
  • A component represented by a Dynamic Link Library (DLL) file.
• DLL File:
  • Contains the code and data defining the component's functionality.
• Adding to Library:
  • Compile the DLL file.
  • Add the DLL file to the PSIM library through the "DLL Element Creation" option.
• DLL Element Usage:
  • Integrate the newly added DLL element into PSIM circuits as needed.

Creating a Symbol Library

• Symbol Library:
  • A collection of components represented by symbols.
• Symbol Creation:
  • Create custom symbols or use existing ones in the PSIM library.
• Symbol Usage:
  • Use the symbols to create a circuit schematic.
• Symbol Editing: - Modify symbols as needed.
• Symbol Library Management:
  • Organize and manage symbol libraries for different applications.
• Symbol Group:
  • Organize symbols into logical categories (e.g., power electronic devices) for easy access.
• Symbol Library File:
  • A file that contains the symbols for a specific library.

Waveform Processing in SIMVIEW

• SIMVIEW:
  • A built-in waveform analysis and visualization tool.
• Waveform Data:
  • SIMVIEW displays the simulation output data (voltage, current, etc.) as waveforms.

File Menu

• New:
  • Create a new SIMVIEW window.
• Open:
  • Open an existing SIMVIEW file that contains waveform data.
• Save:
  • Save the current SIMVIEW window's contents to a file.
• Save As:
  • Save the current SIMVIEW window's contents with a new filename.
• Save Workspace:
  • Save the SIMVIEW workspace, which includes all open windows and their settings.
• Print:
  • Print the current SIMVIEW window.

Edit Menu

• Undo/Redo:
  • Revert or reapply previous actions.
• Cut/Copy/Paste:
  • Standard editing operations for waveforms and other elements.
• Delete:
  • Remove selected waveforms or other elements from the SIMVIEW window.
• Select All:
  • Select all waveforms and elements in the SIMVIEW window.

View Menu

• Zoom In/Out:
  • Change the magnification of the waveform.
• Fit to Window:
  • Resize the waveform to fit within the current window size.
• Grid:
  • Toggle the display of grid lines.
• Cursor:
  • Use the cursor to measure and analyze the waveform.
• Horizontal/Vertical Cursor:
  • Select from the horizontal and vertical cursor tools.
• Show/Hide Toolbar:
  • Show or hide specific toolbars.

Axis Menu

• Axis Properties:
  • Define the properties and settings for the X and Y axes of the waveform plot.
• Axis Title:
  • Set the title for the X and Y axes.
• Axis Labels:
  • Define axis labels, which are the units of measurement.
• Axis Limits:
  • Modify the minimum and maximum values for the X and Y axes to change the zoomed-in region.
• Axis Scaling:
  • Set the scaling of the axes (linear, logarithmic, etc.).
• Axis Appearance:
  • Customize the appearance of the axes, e.g., colors, fonts, and line thickness.

Screen Menu

• Screen Properties:
  • Configure the properties of the entire SIMVIEW window (e.g., background color, size, font).
• Screen Title:
  • Set the title for the SIMVIEW window.
• Screen Legend: - Add or modify legends to a waveform plot to help distinguish different waveforms.
• Screen Layout:
  • Arrange waveforms and other elements within the SIMVIEW window.
• Screen Annotation:
  • Add text, arrows, and other annotations to the SIMVIEW window.
• Screen Font:
  • Change the font, size, and style of the text in SIMVIEW.

Measure Menu

• Measure:
  • Access various tools for measuring waveforms.
• Measure Voltage/Current:
  • Measure voltage or current at a specific point on the waveform.
• Measure Amplitude/Frequency:
  • Measure the peak amplitude or frequency of a waveform.
• Measure RMS/Average:
  • Measure the root mean square (RMS) or average value of a waveform.
• Measure Time Period:
  • Measure the time duration of a specific event in the waveform (e.g., a pulse width).
• Measure Rise/Fall Time: - Measure the rising or falling edge time for a waveform.
• Measure Slope:
  • Calculate the slope (change in Y values over a change in X values) of a waveform.
• Measure Integrate/Differentiate: - Perform integration or differentiation of waveforms.
• Measure Phase:
  • Derive the phase difference between two waveforms.

Analysis Menu

• Analysis Options:
  • Access a collection of analysis tools to be applied to waveforms.
• Fourier Transform:
  • Analyze a waveform in the frequency domain, providing frequency components.
• Spectrum:
  • Display the frequency spectrums of the waveform (Fourier transform).
• THD (Total Harmonic Distortion):
  • Calculate the percentage of harmonics in a waveform.
• FFT (Fast Fourier Transform):
  • Perform a fast Fourier transform on a waveform to analyze its frequency content.
• FFT Settings:
  • Modify settings for the fast Fourier transform.
• Correlation Analysis:
  • Evaluate the relationship between two or more waveforms in the SIMVIEW window.

Label Menu

• Label:
  • Add text labels to the SIMVIEW window.
• Label Properties:
  • Edit the appearance of the added labels (e.g., size, color, font).
• Label Position:
  • Place the label at the desired location.
• Label Contents:
  • Set the text to be displayed within the label.
• Label Font:
  • Specify the font, size, style, and color characteristics of the text label.

Option Menu

• Option Settings:
  • Modify various SIMVIEW settings and behavior.
• Cursor Options:
  • Configure the cursor settings, such as the display format.
• Waveform Options:
  • Control the appearance and display of waveforms, (e.g., colors, line thickness).
• Axis Options:
  • Adjust the behavior of the axes.
• Screen Options:
  • Alter the display and behavior of the SIMVIEW window.
• Simulation Options:
  • Configure settings related to the simulation environment and data sharing.

Exporting Data

• Data Export Options:
  • Export data from SIMVIEW into various formats for further analysis or sharing.
• Export to CSV: - Export data as a comma-separated values (CSV) file.
• Export to Excel:
  • Export data to a Microsoft Excel file.
• Export to Text File:
  • Export data as a plain text file.
• Export to MATLAB:
  • Export data to a MATLAB data file format.
• Export to Workspace:
  • Export data into a shared workspace for other software applications (e.g., Python, Simulink) to access.

Power Circuit Components

Resistor-Inductor-Capacitor Branches

Resistor

• Representation:
  • Represented by the letter "R" followed by a number (e.g., "R1").
• Parameters:
  • Resistance value (e.g., R1 = 100 Ohm), power rating (e.g., P = 1 W)
• Functionality:
  • Opposes current flow based on Ohm's law (V = IR) and dissipates energy as heat.

Inductor

• Representation:
  • Represented by the letter "L" followed by a number (e.g., "L1").
• Parameters:
  • Inductance value (e.g., L1 = 10 mH), DC resistance (e.g., R = 1 Ohm)
• Functionality:
  • Stores energy in a magnetic field when current flows through it.
  • Inductive reactance (XL) opposes changes in current.

Capacitors

• Representation:
  • Represented by the letter "C" followed by a number (e.g., "C1").
• Parameters:
  • Capacitance value (e.g., C1 = 10 uF), initial voltage (e.g., V0 = 0 V)
• Functionality:
  • Stores energy in an electric field when a voltage is applied across it.
  • Capacitive reactance (XC) opposes changes in voltage.

Combined R-L-C Branch

• Representation:
  • A combination of resistor, inductor, and capacitor elements connected in series or parallel.
• Parameters:
  • Resistance, inductance, and capacitance values.
• Functionality:
  • Combines the properties of resistors, inductors, and capacitors into a single branch.

Rheostat

• Representation:
  • A variable resistor, usually represented by a symbol with a slider.
• Parameters:
  • Resistance range (e.g., 0-100 Ohm), initial resistance value.
• Functionality:
  • Allows for adjusting resistance in a circuit during a simulation.

Saturable Inductor

• Representation:
  • An inductor whose inductance varies with the current flowing through it.
• Parameters:
  • Inductance value at low currents (e.g., L1 = 10 mH), inductance value at high currents (e.g., L2 = 1 mH), saturation current (e.g., Isat = 1 A).
• Functionality:
  • Simulates the behavior of an inductor with a core material that saturates at high currents.

Saturable Inductor (2)

• Representation:
  • A saturable inductor, but with additional parameters for fine-tuning its behavior.
• Parameters:
  • Inductance value, saturation current, hysteresis width, etc.
• Functionality:
  • Simulates the more complex behavior of saturable inductors.

3-Phase R-L-C and Combination Branches

• Representation:
  • Combinations of resistors, inductors, and capacitors connected in a three-phase configuration.
• Parameters:
  • Phase angle, individual component parameters.
• Functionality:
  • Simulates the behavior of three-phase loads in electrical systems.

3-Phase P/Q Controlled Load

• Representation:
  • A load that controls its active power (P) and reactive power (Q).
• Parameters: - Active power (P), Reactive power (Q), voltage magnitude (V), frequency (f).
• Functionality:
  • Simulates loads that maintain specific power factors in a three-phase system.

Coupled Inductors

• Representation:
  • Two inductors connected in such a way that their magnetic fields influence each other.
• Parameters:
  • Inductance values (L1 and L2), mutual inductance (M)
• Functionality:
  • Simulates transformers and other circuits where magnetic coupling is significant.

3-Phase AC Cable

• Representation:
  • Represents a three-phase AC cable with resistance, inductance, and capacitance.
• Parameters: - Resistance per phase (R), inductance per phase (L), capacitance per phase (C).
• Functionality:
  • Simulates the voltage drop and current flow within a three-phase AC cable.

Nonlinear Elements

• Representation:
  • Components whose resistance, inductance, or capacitance is not constant but varies with voltage or current.
• Parameters:
  • Function that relates voltage, current, and component parameters.
• Functionality:
  • Simulates the behavior of real-world components with nonlinear characteristics (e.g., diodes, transistors, thyristors).

Switching Devices

Diode and LED

• Diode Representation:
  • A symbol representing a diode, often with a "D" followed by a number (e.g., "D1").
• LED Representation:
  • A symbol representing an LED, often with "LED" followed by a number (e.g., "LED1").
• Diode Parameters:
  • Forward voltage drop (VF), reverse breakdown voltage (VR), reverse leakage current (IR) etc.
• LED Parameters:
  • Forward voltage drop (VF), peak forward current (IF), and luminous intensity (L)
• Diode Functionality:
  • Allows current to flow in one direction only (from anode to cathode).
• LED Functionality:
  • Similar to a standard diode; emits light when forward biased.

MOSFET

• Representation:
  • A symbol representing a MOSFET transistor, often with "M" followed by a number (e.g., "M1").
• Types:
  • n-channel MOSFETs and p-channel MOSFETs.
• Parameters:
  • Drain-source resistance (RDS(on)), gate-source threshold voltage (Vth), maximum drain current (ID), gate-source capacitance (Cgs), drain-source capacitance (Cds), etc.
• Functionality:
  • A voltage-controlled switch that regulates current flow between the drain and source terminals.

IGBT

• Representation:
  • A symbol representing an Insulated Gate Bipolar Transistor, often with "IGBT" followed by a number (e.g., "IGBT1").
• Parameters:
  • Collector-emitter saturation voltage (VCE(sat)), collector current (IC), gate-emitter threshold voltage (Vth), etc.
• Functionality:
  • Similar to a MOSFET but with faster switching speed and higher current capability.

IGBT-RB

• Representation:
  • An IGBT with a built-in reverse blocking diode.
• Parameters:
  • Same as the IGBT, but with additional diode parameters.
• Functionality:
  • Combines the switching characteristics of an IGBT with reverse blocking capability.

npn and pnp Transistors

• npn Representation:
  • A symbol for an npn transistor with the arrow pointing outward from the base.
• pnp Representation:
  • A symbol for a pnp transistor with the arrow pointing inward toward the base.
• Parameters:
  • Current gain (hFE or β), collector-emitter saturation voltage (VCE(sat)), maximum collector current (IC(max)), etc.
• Functionality: - Current-controlled switches that amplify or switch signals.

Zener Diode and DIAC

• Zener Diode Representation:
  • A symbol representing a diode that conducts in the reverse direction when a specific breakdown voltage is reached.
• DIAC Representation:
  • A symbol representing a bidirectional switching device (similar to a thyristor) that conducts in either direction when the voltage across it exceeds a certain threshold.
• Zener Diode Parameters:
  • Zener voltage (Vz), maximum current (Iz(max)), etc.
• DIAC Parameters:
  • Breakdown voltage (VBO), peak current (Ip), etc.
• Zener Diode Functionality:
  • Provides a constant voltage reference when reverse biased beyond the breakdown voltage.
• DIAC Functionality:
  • Acts as a trigger for other switching devices, such as thyristors or TRIACs.

Thyristor and TRIAC

• Thyristor Representation:
  • A symbol representing a semiconductor device that conducts current in one direction when triggered.
• TRIAC Representation: - A symbol representing a semiconductor device that conducts current in both directions when triggered.
• Thyristor Parameters:
  • Forward breakover voltage (VBO), holding current (IH), etc.
• TRIAC Parameters: - Forward breakover voltage (VBO), gate trigger current (IGT), etc.
• Thyristor Functionality:
  • Used as a controlled rectifier, allowing current flow only when triggered by a gate signal.
• TRIAC Functionality:
  • Similar to a thyristor but with bidirectional switching capability.

GTO

• Representation:
  • A symbol representing a Gate Turn-Off thyristor.
• Parameters:
  • Forward breakover voltage (VBO), holding current (IH), gate trigger current (IGT), etc.
• Functionality:
  • A thyristor that can be turned off by a negative gate pulse.

Bi-Directional Switches

• Representation:
  • A symbol representing a device that allows current to flow in both directions.
• Parameters:
  • Voltage rating, current rating, switching speed.
• Functionality:
  • Used in applications where bidirectional switching is required.

Gating Blocks

• Representation:
  • A symbol representing a block that generates gate signals for switching devices.
• Parameters:
  • Pulse width, frequency, amplitude, etc.
• Functionality:
  • Provides control signals to trigger switching devices, such as thyristors, transistors, and IGBTs.

Pre-Built Switch Modules

• Representation:
  • A symbol representing a pre-built module that includes the desired circuit elements (e.g., IGBT, diode, snubber circuit).
• Parameters:
  • Voltage rating, current rating, switching frequency, etc.
• Functionality:
  • Simplifies the design of circuits by providing pre-configured switching modules.

Transformers

Ideal Transformer

• Representation:
  • A symbol representing a transformer with an ideal behavior (no losses).
• Parameters:
  • Turns ratio (N1/N2), winding resistance (R1 and R2).
• Functionality:
  • Changes the voltage and current levels between its primary and secondary windings according to the turns ratio.

Single-Phase Transformers

• Representation:
  • A symbol representing a single-phase transformer with losses.
• Parameters:
  • Turns ratio (N1/N2), winding resistance (R1 and R2), core losses (Pcore), leakage inductance (L1 and L2), saturation characteristics.
• Functionality:
  • Simulates the behavior of a real-world single-phase transformer, including losses and saturation effects.

3-Phase Transformers

• Representation:
  • A symbol representing a three-phase transformer with losses.
• Parameters:
  • Turns ratio (N1/N2), winding resistance (R1 and R2), core losses (Pcore), leakage inductance (L1 and L2), saturation characteristics, winding connections (Y, Δ, etc.).
• Functionality:
  • Models the behavior of a real-world three-phase transformer, including losses and saturation effects.

3-Phase Transformer with Saturation

• Representation:
  • A symbol representing a three-phase transformer with saturation.
• Parameters:
  • Same as a 3-phase transformer, but with additional parameters for defining the saturation behavior of the core.
• Functionality: :
  • Simulates the nonlinear magnetization characteristics of a magnetic core in a transformer.

Magnetic Elements

Winding

• Representation:
  • A symbol representing a coil of wire wrapped around a magnetic core.
• Parameters:
  • Number of turns (N), winding resistance (R), leakage inductance (L).
• Functionality:
  • Produces a magnetic field when current flows through it.

Leakage Flux Path

• Representation:
  • A symbol representing a path for magnetic flux to leak out of the core.
• Parameters:
  • Reluctance (R), length (l), cross-sectional area (A).
• Functionality:
  • Simulates the leakage flux path of a magnetic circuit.

Air Gap

• Representation:
  • A symbol representing a gap within a magnetic circuit, filled with air or another non-magnetic material.
• Parameters:
  • Length (l), cross-sectional area (A).
• Functionality:
  • Reduce the inductance and increase the reluctance of a magnetic circuit.

Linear Core

• Representation:
  • A symbol representing a magnetic core with a linear B-H curve.
• Parameters:
  • Permeability (μ), cross-sectional area (A), length (l).
• Functionality:
  • Simulates the behavior of a magnetic core with a constant permeability.

Saturable Core

• Representation:
  • A symbol representing a magnetic core with a nonlinear B-H curve.
• Parameters:
  • Saturation flux density (Bs), permeability at low flux densities (μ0), permeability at high flux densities (μ1), hysteresis parameters.
• Functionality:
  • Simulates the behavior of a magnetic core that saturates at high flux densities.

Other Elements

Operational Amplifier

• Representation: - A symbol representing an operational amplifier (op-amp).
• Parameters: - Open-loop gain (Aol), input impedance (Zin), output impedance (Zout), slew rate, etc.
• Functionality:
  • Amplifies

Test your knowledge about the PSIM user's guide, including its version, release date, and important details regarding its components. This quiz also assesses your understanding of magnetic elements and support information provided by Powersim Inc.