# \#grid-simulation **URL:** https://community.opal-rt.com/tag/grid-simulation/64.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) --- ## [Guidance Needed: Building a Real-Time Digital Twin for a Variable Transmission System](https://community.opal-rt.com/t/guidance-needed-building-a-real-time-digital-twin-for-a-variable-transmission-system/248)
**Author:** [@AzzdenMeladi](https://community.opal-rt.com/u/AzzdenMeladi)\ **Replies:** 1\ **Last updated:** [October 16, 2026, 4:55pm UTC](https://community.opal-rt.com/t/guidance-needed-building-a-real-time-digital-twin-for-a-variable-transmission-system/248 "2026-10-16T16:55:38Z")
Hello everyone, I am working on a project involving a next-generation mechanical transmission system for wind turbines. I am interested in building a real-time digital twin to simulate its behavior under varying input c… --- ## [Simplified Australian 14-Generator Power System](https://community.opal-rt.com/t/simplified-australian-14-generator-power-system/265)
**Author:** [@Felipe](https://community.opal-rt.com/u/Felipe)\ **Replies:** 1\ **Last updated:** [October 16, 2026, 3:25pm UTC](https://community.opal-rt.com/t/simplified-australian-14-generator-power-system/265 "2026-10-16T15:25:24Z")
Overview IEEE Simplified Australian 14-Generator Power System Real-time EMT version of the IEEE Simplified Australian 14-Generator Power System originally developed for the analysis of small-signal stability. This mo… --- ## [S-NEM2300-bus Benchmark Model](https://community.opal-rt.com/t/s-nem2300-bus-benchmark-model/264)
**Author:** [@Felipe](https://community.opal-rt.com/u/Felipe)\ **Replies:** 0\ **Last updated:** [October 13, 2026, 5:09am UTC](https://community.opal-rt.com/t/s-nem2300-bus-benchmark-model/264 "2026-10-13T05:09:40Z")
Overview Synthetic grid model of the Australian National Electricity Market (NEM) power system. The SNEM2300-bus benchmark system is a large-scale, real-time EMT compatible model that has a topology and characteristi… --- ## [Petroleum Simulation Software](https://community.opal-rt.com/t/petroleum-simulation-software/254)
**Author:** [@Labib\_Hugari](https://community.opal-rt.com/u/Labib_Hugari)\ **Replies:** 1\ **Last updated:** [October 9, 2026, 6:45pm UTC](https://community.opal-rt.com/t/petroleum-simulation-software/254 "2026-10-09T18:45:22Z")
The importance of simulation programs in the petroleum industry lies in well drilling operations, production management and development, and early prediction of problems before they occur. --- ## [When Should You Choose EMT Over RMS Simulation?](https://community.opal-rt.com/t/when-should-you-choose-emt-over-rms-simulation/136)
**Author:** [@francois.tempez](https://community.opal-rt.com/u/francois.tempez)\ **Replies:** 5\ **Last updated:** [October 8, 2026, 8:04am UTC](https://community.opal-rt.com/t/when-should-you-choose-emt-over-rms-simulation/136 "2026-10-08T08:04:05Z")
One topic that regularly comes up in discussions with utilities, OEMs, universities, and research institutes is the choice between EMT and RMS simulation. The distinction seems clear in theory, but in practice the bound… --- ## [2-Winding 3-Phase Saturable Transformer with Tap Changer V1\_ V\_2](https://community.opal-rt.com/t/2-winding-3-phase-saturable-transformer-with-tap-changer-v1-v-2/173)
**Author:** [@cokeke](https://community.opal-rt.com/u/cokeke)\ **Replies:** 1\ **Last updated:** [September 8, 2026, 3:50pm UTC](https://community.opal-rt.com/t/2-winding-3-phase-saturable-transformer-with-tap-changer-v1-v-2/173 "2026-09-08T15:50:38Z")
I exchanged the transformer in Example Model for 87T Transformer Differential Protection Relay for a 2-Winding 3-Phase Saturable Transformer with Tap Changer When I open the Sensor form for the 2-Winding 3-Phase Satu… --- ## [Simulating RTDS for station models using RTLAB](https://community.opal-rt.com/t/rtlab-rtds/174)
**Author:** [@zhang](https://community.opal-rt.com/u/zhang)\ **Replies:** 1\ **Last updated:** [August 31, 2026, 5:52pm UTC](https://community.opal-rt.com/t/rtlab-rtds/174 "2026-08-31T17:52:56Z")
I am currently simulating an RTDS inverter model and want to add a cable module in RT-LAB. However, during debugging, I found that the model diverges after adding the cable capacitance. The cable parameters are kept consistent with those in the RTDS, as shown below: --- ## [GFM and GFL combing in one block using smart inverter and selector](https://community.opal-rt.com/t/gfm-and-gfl-combing-in-one-block-using-smart-inverter-and-selector/167)
**Author:** [@Vincent\_Jiang](https://community.opal-rt.com/u/Vincent_Jiang)\ **Replies:** 6\ **Last updated:** [August 21, 2026, 8:11am UTC](https://community.opal-rt.com/t/gfm-and-gfl-combing-in-one-block-using-smart-inverter-and-selector/167 "2026-08-21T08:11:34Z")
Overview I am using HYPERSIM to model GFM and GFL in one block using smart inverter library, and used a selector to determine whether GFM ot GFL is used. But I does not work properly. Please help me check it. I am … --- ## [Static Synchronous Compensator (STATCOM)](https://community.opal-rt.com/t/static-synchronous-compensator-statcom/85)
**Author:** [@Party\_Patel](https://community.opal-rt.com/u/Party_Patel)\ **Replies:** 4\ **Last updated:** [August 13, 2026, 12:43am UTC](https://community.opal-rt.com/t/static-synchronous-compensator-statcom/85 "2026-08-13T00:43:35Z")
Overview A transmission-level STATCOM example for reactive power control and AC voltage regulation with and without droop. This model demonstrates a STATCOM applied on a transmission network for voltage regulation and r… --- ## [Generic WECC IBR: Grid-Following PV Plant](https://community.opal-rt.com/t/generic-wecc-ibr-grid-following-pv-plant/78)
**Author:** [@Party\_Patel](https://community.opal-rt.com/u/Party_Patel)\ **Replies:** 4\ **Last updated:** [August 13, 2026, 12:43am UTC](https://community.opal-rt.com/t/generic-wecc-ibr-grid-following-pv-plant/78 "2026-08-13T00:43:02Z")
Overview A WECC-based grid-following PV plant model with plant, electrical, and converter-level control blocks for inverter-based resource studies. This model implements a generic WECC-style photovoltaic plant designed … --- ## [Grid Forming Microgrid Control with Smart Inverters](https://community.opal-rt.com/t/grid-forming-microgrid-control-with-smart-inverters/80)
**Author:** [@Party\_Patel](https://community.opal-rt.com/u/Party_Patel)\ **Replies:** 5\ **Last updated:** [August 12, 2026, 4:13am UTC](https://community.opal-rt.com/t/grid-forming-microgrid-control-with-smart-inverters/80 "2026-08-12T04:13:55Z")
Overview A comparison model for grid-forming inverter control strategies including droop single-loop, droop double-loop, and VSG behavior. This model is ideal for discussion seeding because it compares multiple grid-for… --- ## [📥 Importing PSCAD Models into HYPERSIM](https://community.opal-rt.com/t/importing-pscad-models-into-hypersim/126)
**Author:** [@PFA007](https://community.opal-rt.com/u/PFA007)\ **Replies:** 0\ **Last updated:** [July 21, 2026, 7:21pm UTC](https://community.opal-rt.com/t/importing-pscad-models-into-hypersim/126 "2026-07-21T19:21:22Z")
Step-by-Step Create a new HYPERSIM model Open HYPERSIM → File → New → choose your target folder, name your file, and click Save Open the Network Import tool Go to the Network section of the main ribbon → click Networ… --- ## [Line Distance Protection with POTT including TestView Project](https://community.opal-rt.com/t/line-distance-protection-with-pott-including-testview-project/86)
**Author:** [@Party\_Patel](https://community.opal-rt.com/u/Party_Patel)\ **Replies:** 1\ **Last updated:** [July 16, 2026, 10:00am UTC](https://community.opal-rt.com/t/line-distance-protection-with-pott-including-testview-project/86 "2026-07-16T10:00:00Z")
Overview A distance protection example with permissive overreach transfer trip logic and an included TestView automation project for repeatable relay testing. This example brings protection engineering into the starter … --- ## [Type 4 Wind Farm Model](https://community.opal-rt.com/t/type-4-wind-farm-model/84)
**Author:** [@Party\_Patel](https://community.opal-rt.com/u/Party_Patel)\ **Replies:** 1\ **Last updated:** [July 14, 2026, 10:00am UTC](https://community.opal-rt.com/t/type-4-wind-farm-model/84 "2026-07-14T10:00:00Z")
Overview A PMSG-based aggregated Type 4 wind farm model with back-to-back converters, DC-link regulation, and wind-speed event scenarios. This example demonstrates an aggregated Type 4 wind farm based on a permanent mag… --- ## [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… --- ## [Kundur 4-Machine Power System](https://community.opal-rt.com/t/kundur-4-machine-power-system/82)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [July 12, 2026, 10:00am UTC](https://community.opal-rt.com/t/kundur-4-machine-power-system/82 "2026-07-12T10:00:00Z")
Overview The classic two-area benchmark for studying low-frequency oscillations, disturbance response, and power system stabilizer behavior. The Kundur 4-machine system is one of the most recognized benchmark models in … --- ## [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…