# \#sps-software **URL:** https://community.opal-rt.com/tag/sps-software/52.md [Latest](https://community.opal-rt.com/latest.md) · [Categories](https://community.opal-rt.com/categories.md) · [Tags](https://community.opal-rt.com/tags.md) --- ## [Ieee 57-bus 138k hv2c system](https://community.opal-rt.com/t/ieee-57-bus-138k-hv2c-system/202)
**Author:** [@EagerCougar41](https://community.opal-rt.com/u/EagerCougar41)\ **Replies:** 0\ **Last updated:** [September 18, 2026, 6:05am UTC](https://community.opal-rt.com/t/ieee-57-bus-138k-hv2c-system/202 "2026-09-18T06:05:34Z")
Overview The IEEE 57-Bus Test System is a widely recognized benchmark grid used in electrical engineering for power flow, optimal power flow (OPF), and grid reliability simulations. 138 kV Key Features no bullets need… --- ## [How to change circuit parameters during simulation ⚙️](https://community.opal-rt.com/t/how-to-change-circuit-parameters-during-simulation/52)
**Author:** [@LeylaErdan](https://community.opal-rt.com/u/LeylaErdan)\ **Replies:** 5\ **Last updated:** [August 28, 2026, 1:57am UTC](https://community.opal-rt.com/t/how-to-change-circuit-parameters-during-simulation/52 "2026-08-28T01:57:50Z")
A common question when running models in SPS Software is whether it is possible to tune parameters on the fly without stopping the simulation. Here is how SPS Software handles parameter changes and how you can automate … --- ## [SPS Software vs. Simscape Electrical: Choosing the Right Tool for Electrical System Simulation](https://community.opal-rt.com/t/sps-software-vs-simscape-electrical-choosing-the-right-tool-for-electrical-system-simulation/172)
**Author:** [@Mo.mansour](https://community.opal-rt.com/u/Mo.mansour)\ **Replies:** 0\ **Last updated:** [August 20, 2026, 8:26pm UTC](https://community.opal-rt.com/t/sps-software-vs-simscape-electrical-choosing-the-right-tool-for-electrical-system-simulation/172 "2026-08-20T20:26:19Z")
The evolution of electrical systems is driving increased demand for simulation tools that can accurately model complex networks while maintaining practical performance and scalability. As engineers work on renewable ener… --- ## [SPS: From Building Models to Real-Time Validation](https://community.opal-rt.com/t/sps-from-building-models-to-real-time-validation/171)
**Author:** [@Mo.mansour](https://community.opal-rt.com/u/Mo.mansour)\ **Replies:** 0\ **Last updated:** [August 19, 2026, 8:02pm UTC](https://community.opal-rt.com/t/sps-from-building-models-to-real-time-validation/171 "2026-08-19T20:02:22Z")
One of the strengths of SPS Software is that it supports engineers throughout the entire development cycle, from modeling and simulation to real-time and Hardware-in-the-Loop (HIL) testing. It starts with electrical mod… --- ## [How SPS Software software works: a conceptual overview 🧠](https://community.opal-rt.com/t/how-sps-software-software-works-a-conceptual-overview/48)
**Author:** [@MariaZanutto](https://community.opal-rt.com/u/MariaZanutto)\ **Replies:** 1\ **Last updated:** [July 23, 2026, 1:49pm UTC](https://community.opal-rt.com/t/how-sps-software-software-works-a-conceptual-overview/48 "2026-07-23T13:49:26Z")
Every time you start a simulation, SPS Software calls a special initialization mechanism before any simulation steps are taken. This process computes the state-space model of your electric circuit and builds the equivale… --- ## [How to ask effective technical questions here](https://community.opal-rt.com/t/how-to-ask-effective-technical-questions-here/47)
**Author:** [@MariaZanutto](https://community.opal-rt.com/u/MariaZanutto)\ **Replies:** 4\ **Last updated:** [July 22, 2026, 3:00pm UTC](https://community.opal-rt.com/t/how-to-ask-effective-technical-questions-here/47 "2026-07-22T15:00:47Z")
Need help with a simulation error, a solver crashing, or a modeling challenge? To get the fastest and most accurate answers from the community and the SPS Software technical team, please follow this quick guide when pos… --- ## [24-hour Simulation of a Vehicle-to-Grid (V2G) System](https://community.opal-rt.com/t/24-hour-simulation-of-a-vehicle-to-grid-v2g-system/107)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [July 17, 2026, 4:00pm UTC](https://community.opal-rt.com/t/24-hour-simulation-of-a-vehicle-to-grid-v2g-system/107 "2026-07-17T16:00:00Z")
Overview Full-day microgrid simulation with diesel generation, PV, wind, residential load, industrial load, and EV fleet participation for frequency regulation. This example shows a 24-hour vehicle-to-grid scenario in w… --- ## [12.8 V, 40 Ah, Lithium-Ion (LiFePO4) Battery Aging Model (1000 h Simulation)](https://community.opal-rt.com/t/12-8-v-40-ah-lithium-ion-lifepo4-battery-aging-model-1000-h-simulation/106)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [July 16, 2026, 4:00pm UTC](https://community.opal-rt.com/t/12-8-v-40-ah-lithium-ion-lifepo4-battery-aging-model-1000-h-simulation/106 "2026-07-16T16:00:00Z")
Overview Long-duration LiFePO4 battery aging example showing the impact of depth of discharge, C-rate, temperature rise, and capacity fade over repeated cycles. This example shows the effect of cycling-induced aging on … --- ## [Field-Oriented Control of an Interior Permanent Magnet Synchronous Motor](https://community.opal-rt.com/t/field-oriented-control-of-an-interior-permanent-magnet-synchronous-motor/105)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [July 15, 2026, 4:00pm UTC](https://community.opal-rt.com/t/field-oriented-control-of-an-interior-permanent-magnet-synchronous-motor/105 "2026-07-15T16:00:00Z")
Overview Wide-speed IPMSM drive with field-oriented control, MTPA, field weakening, and space-vector PWM. This example demonstrates wide-speed operation of a 50 kW IPMSM drive using field-oriented control with maximum t… --- ## [Dual Active Bridge Converter DC/DC Converter](https://community.opal-rt.com/t/dual-active-bridge-converter-dc-dc-converter/104)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [July 14, 2026, 4:00pm UTC](https://community.opal-rt.com/t/dual-active-bridge-converter-dc-dc-converter/104 "2026-07-14T16:00:00Z")
Overview 10-kW single-phase isolated bidirectional DAB converter for EV charging, V2G, and high-frequency DC/DC studies. This example shows a single-phase dual active bridge DC/DC converter, a key topology for bidirecti… --- ## [HVDC-MMC Interconnection (1000-MW, +/- 320 kV)](https://community.opal-rt.com/t/hvdc-mmc-interconnection-1000-mw-320-kv/103)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [July 13, 2026, 4:00pm UTC](https://community.opal-rt.com/t/hvdc-mmc-interconnection-1000-mw-320-kv/103 "2026-07-13T16:00:00Z")
Overview Aggregate MMC-based VSC-HVDC interconnection with startup sequence, DC voltage regulation, active/reactive power control, and optional DC fault scenario. This example shows a 1000 MW HVDC interconnection using … --- ## [Distance Protection Relay](https://community.opal-rt.com/t/distance-protection-relay/102)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [July 12, 2026, 4:00pm UTC](https://community.opal-rt.com/t/distance-protection-relay/102 "2026-07-12T16:00:00Z")
Overview MHO-type distance protection on parallel 735-kV transmission lines with zone logic, fault studies, and permissive trip signaling. This example demonstrates distance protection on high-voltage transmission lines… --- ## [Static Synchronous Compensator (STATCOM) - SPS Software](https://community.opal-rt.com/t/static-synchronous-compensator-statcom-sps-software/101)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [July 11, 2026, 4:00pm UTC](https://community.opal-rt.com/t/static-synchronous-compensator-statcom-sps-software/101 "2026-07-11T16:00:00Z")
Overview A plus/minus 100 Mvar 48-pulse GTO STATCOM regulating voltage on a three-bus 500-kV system. This example shows the operation of a plus/minus 100 Mvar STATCOM on a three-bus 500-kV system. It is a classic and hi… --- ## [Wind Farm - Synchronous Generator and Full Scale Converter (Type 4) Detailed Model](https://community.opal-rt.com/t/wind-farm-synchronous-generator-and-full-scale-converter-type-4-detailed-model/100)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [July 10, 2026, 4:00pm UTC](https://community.opal-rt.com/t/wind-farm-synchronous-generator-and-full-scale-converter-type-4-detailed-model/100 "2026-07-10T16:00:00Z")
Overview Detailed 10 MW Type 4 wind farm with synchronous generator, diode rectifier, boost converter, and grid-side PWM converter for dynamic and disturbance studies. This example shows a 10 MW wind farm made of five 2… --- ## [Islanded Operation of an Inverter-based Microgrid Using Droop Control Technique](https://community.opal-rt.com/t/islanded-operation-of-an-inverter-based-microgrid-using-droop-control-technique/99)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [July 9, 2026, 4:00pm UTC](https://community.opal-rt.com/t/islanded-operation-of-an-inverter-based-microgrid-using-droop-control-technique/99 "2026-07-09T16:00:00Z")
Overview Three parallel inverters operating in islanded mode with P/F and Q/V droop control plus supervisory frequency and voltage restoration. This example demonstrates islanded operation of an inverter-based microgrid… --- ## [250-kW Grid-Connected PV Array](https://community.opal-rt.com/t/250-kw-grid-connected-pv-array/98)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [July 8, 2026, 4:00pm UTC](https://community.opal-rt.com/t/250-kw-grid-connected-pv-array/98 "2026-07-08T16:00:00Z")
Overview Detailed 250-kW PV array connected to a 25-kV distribution grid through a three-phase converter, with MPPT, PLL, current regulation, and irradiance-change response. This example shows a detailed model of a 250-… --- ## [How to analyze SPS Software simulation results 📊 - Review](https://community.opal-rt.com/t/how-to-analyze-sps-software-simulation-results-review/61)
**Author:** [@LeylaErdan](https://community.opal-rt.com/u/LeylaErdan)\ **Replies:** 0\ **Last updated:** [April 13, 2026, 4:01pm UTC](https://community.opal-rt.com/t/how-to-analyze-sps-software-simulation-results-review/61 "2026-04-13T16:01:41Z")
Once your SPS Software model is built and running, the next crucial step is analyzing the results. SPS Software provides powerful tools for both steady-state evaluation and frequency-domain analysis. Here is a guide on … --- ## [How to choose the right integration method in SPS Software ⚙️](https://community.opal-rt.com/t/how-to-choose-the-right-integration-method-in-sps-software/58)
**Author:** [@MariaZanutto](https://community.opal-rt.com/u/MariaZanutto)\ **Replies:** 0\ **Last updated:** [April 8, 2026, 12:50am UTC](https://community.opal-rt.com/t/how-to-choose-the-right-integration-method-in-sps-software/58 "2026-04-08T00:50:07Z")
Choosing the correct integration method is one of the most critical decisions you will make when setting up a simulation in SPS Software. The right choice gives you fast, accurate results, while the wrong choice can lead… --- ## [How to increase simulation speed in SPS Software 🚀](https://community.opal-rt.com/t/how-to-increase-simulation-speed-in-sps-software/57)
**Author:** [@MariaZanutto](https://community.opal-rt.com/u/MariaZanutto)\ **Replies:** 0\ **Last updated:** [March 24, 2026, 10:45pm UTC](https://community.opal-rt.com/t/how-to-increase-simulation-speed-in-sps-software/57 "2026-03-24T22:45:20Z")
Once you have selected the proper method (continuous, discrete, or phasor), solver type, and parameters, there are additional steps you can take to optimize your simulation speed. Here are the best practices for getting … --- ## [How transient simulations work in SPS Software ⚡](https://community.opal-rt.com/t/how-transient-simulations-work-in-sps-software/55)
**Author:** [@MariaZanutto](https://community.opal-rt.com/u/MariaZanutto)\ **Replies:** 0\ **Last updated:** [March 23, 2026, 10:58pm UTC](https://community.opal-rt.com/t/how-transient-simulations-work-in-sps-software/55 "2026-03-23T22:58:35Z")
One of the main uses of SPS Software is to simulate electrical transients. Whether you are studying a line energization with mechanical circuit breakers or high-frequency switching with power electronic devices, SPS Soft… --- ## [How to specify and manage initial conditions in SPS Software ⚡](https://community.opal-rt.com/t/how-to-specify-and-manage-initial-conditions-in-sps-software/54)
**Author:** [@LeylaErdan](https://community.opal-rt.com/u/LeylaErdan)\ **Replies:** 0\ **Last updated:** [March 16, 2026, 6:09pm UTC](https://community.opal-rt.com/t/how-to-specify-and-manage-initial-conditions-in-sps-software/54 "2026-03-16T18:09:03Z")
Starting a simulation smoothly often requires properly managing initial conditions to avoid unwanted initial transients. In SPS Software, you have granular control over how your electrical states begin. Here is a guide … --- ## [Command-Based Access to SPS Software Examples](https://community.opal-rt.com/t/command-based-access-to-sps-software-examples/53)
**Author:** [@LeylaErdan](https://community.opal-rt.com/u/LeylaErdan)\ **Replies:** 0\ **Last updated:** [March 16, 2026, 5:51pm UTC](https://community.opal-rt.com/t/command-based-access-to-sps-software-examples/53 "2026-03-16T17:51:53Z")
Command-Based Access to SPS Software Examples :rocket: Finding the right example model in SPS Software is now faster than ever! SPS Software provides a lightweight API to make exploring and opening example models seam… --- ## [Using model construction commands in SPS Software 💻](https://community.opal-rt.com/t/using-model-construction-commands-in-sps-software/51)
**Author:** [@MariaZanutto](https://community.opal-rt.com/u/MariaZanutto)\ **Replies:** 0\ **Last updated:** [March 16, 2026, 3:23am UTC](https://community.opal-rt.com/t/using-model-construction-commands-in-sps-software/51 "2026-03-16T03:23:07Z")
Did you know you can build and wire SPS Software circuits entirely through MATLAB scripts? Using model construction commands is extremely useful for automating large networks, running parameter sweeps, or generating mod… --- ## [Step-by-step: build and simulate a simple circuit in SPS Software ⚡](https://community.opal-rt.com/t/step-by-step-build-and-simulate-a-simple-circuit-in-sps-software/50)
**Author:** [@MariaZanutto](https://community.opal-rt.com/u/MariaZanutto)\ **Replies:** 0\ **Last updated:** [March 16, 2026, 3:09am UTC](https://community.opal-rt.com/t/step-by-step-build-and-simulate-a-simple-circuit-in-sps-software/50 "2026-03-16T03:09:05Z")
In this tutorial, you will learn how to build your first electrical circuit using the SPS Software library, interface it with standard Simulink® blocks, and avoid common connection errors. The circuit we will model repr… --- ## [Getting started with SPS Software: where to begin 🚀](https://community.opal-rt.com/t/getting-started-with-sps-software-where-to-begin/49)
**Author:** [@MariaZanutto](https://community.opal-rt.com/u/MariaZanutto)\ **Replies:** 0\ **Last updated:** [March 16, 2026, 2:26am UTC](https://community.opal-rt.com/t/getting-started-with-sps-software-where-to-begin/49 "2026-03-16T02:26:10Z")
Welcome to SPS Software! If you have just installed the toolbox and are wondering how to take your first steps, you are in the right place. SPS Software (Smart Power Simulations) operates seamlessly within MATLAB/Simuli… --- ## [How to read SPS Software Release Notes](https://community.opal-rt.com/t/how-to-read-sps-software-release-notes/46)
**Author:** [@MariaZanutto](https://community.opal-rt.com/u/MariaZanutto)\ **Replies:** 0\ **Last updated:** [February 19, 2026, 3:16am UTC](https://community.opal-rt.com/t/how-to-read-sps-software-release-notes/46 "2026-02-19T03:16:47Z")
Hello Community! :waving\_hand: With every new version of SPS Software (like the recent 25.2), we publish detailed Release Notes. Here is a quick guide on how to scan them efficiently and spot what actually impacts your … --- ## [What is SPS Software software and what problems is it designed to solve?](https://community.opal-rt.com/t/what-is-sps-software-software-and-what-problems-is-it-designed-to-solve/45)
**Author:** [@MariaZanutto](https://community.opal-rt.com/u/MariaZanutto)\ **Replies:** 0\ **Last updated:** [February 19, 2026, 2:55am UTC](https://community.opal-rt.com/t/what-is-sps-software-software-and-what-problems-is-it-designed-to-solve/45 "2026-02-19T02:55:51Z")
The Short Answer SPS Software (Smart Power Simulations) is a specialized simulation toolbox developed by OPAL-RT, designed to run power electronics and power system simulations significantly faster and more efficiently t… --- ## [About SPS Software](https://community.opal-rt.com/t/about-sps-software/43)
**Author:** [@MariaZanutto](https://community.opal-rt.com/u/MariaZanutto)\ **Replies:** 0\ **Last updated:** [February 19, 2026, 2:45am UTC](https://community.opal-rt.com/t/about-sps-software/43 "2026-02-19T02:45:39Z")
What is SPS Software? SPS Software (Smart Power Simulations) is a specialized simulation environment engineered for the rigorous demands of power systems and power electronics analysis. More than just a solver, it provi…