# \#power-electronics **URL:** https://community.opal-rt.com/tag/power-electronics/54.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) --- ## [How many OP8666 do I need to simulate 7 level three phase MMC using eHs](https://community.opal-rt.com/t/how-many-op8666-do-i-need-to-simulate-7-level-three-phase-mmc-using-ehs/263)
**Author:** [@Vincent\_Jiang](https://community.opal-rt.com/u/Vincent_Jiang)\ **Replies:** 2\ **Last updated:** [October 13, 2026, 3:49pm UTC](https://community.opal-rt.com/t/how-many-op8666-do-i-need-to-simulate-7-level-three-phase-mmc-using-ehs/263 "2026-10-13T15:49:58Z")
I want to do simulation of 7 level three phase MMC using eHs and OP8666. I am not sure if one OP8666 is enoguh or not. 7 level three phase MMC needs 36 PWM signals, and the second stage is DAB converter. --- ## [What is the difference between Ehs et HSCS?](https://community.opal-rt.com/t/what-is-the-difference-between-ehs-et-hscs/124)
**Author:** [@PFA007](https://community.opal-rt.com/u/PFA007)\ **Replies:** 5\ **Last updated:** [October 9, 2026, 6:50pm UTC](https://community.opal-rt.com/t/what-is-the-difference-between-ehs-et-hscs/124 "2026-10-09T18:50:51Z")
eHS — electric Hardware Solver eHS is OPAL-RT’s FPGA-based real-time solver for electric circuits. It automatically simulates power electronics and electrical networks on an FPGA without requiring users to write mathemat… --- ## [3-phase LLC eHS HSCS Reference Simulation Model](https://community.opal-rt.com/t/3-phase-llc-ehs-hscs-reference-simulation-model/244)
**Author:** [@Yue.Pan](https://community.opal-rt.com/u/Yue.Pan)\ **Replies:** 2\ **Last updated:** [October 8, 2026, 2:19pm UTC](https://community.opal-rt.com/t/3-phase-llc-ehs-hscs-reference-simulation-model/244 "2026-10-08T14:19:26Z")
Overview A starter reference model of three-phase LLC converter based on eHS HSCS solver. This is a three-phase LLC converter reference model using square-wave modulation, with resistive load. The primary three-phase… --- ## [A-NPC eHS HSCS Reference Simulation Model](https://community.opal-rt.com/t/a-npc-ehs-hscs-reference-simulation-model/242)
**Author:** [@Yue.Pan](https://community.opal-rt.com/u/Yue.Pan)\ **Replies:** 1\ **Last updated:** [October 7, 2026, 1:49pm UTC](https://community.opal-rt.com/t/a-npc-ehs-hscs-reference-simulation-model/242 "2026-10-07T13:49:06Z")
Overview A starter reference model of ANPC converter based on eHS HSCS solver. This is an ANPC converter reference model using carrier-based SPWM, with RL and BMF voltage source load. Real-time simulation via RT-LAB … --- ## [Running eHS on an OP5600 with OP5142 card: target missing in Schematic Editor and OP5142 library empty in MATLAB](https://community.opal-rt.com/t/executer-lehs-sur-un-op5600-avec-carte-op5142-cible-absente-du-schematic-editor-et-bibliotheque-op5142-vide-dans-matlab/250)
**Author:** [@CosmicNewt51](https://community.opal-rt.com/u/CosmicNewt51)\ **Replies:** 3\ **Last updated:** [October 7, 2026, 12:30pm UTC](https://community.opal-rt.com/t/executer-lehs-sur-un-op5600-avec-carte-op5142-cible-absente-du-schematic-editor-et-bibliotheque-op5142-vide-dans-matlab/250 "2026-10-07T12:30:22Z")
Hello everyone, I am trying to run the eHS solver on an OP5600 chassis equipped with an OP5142 card, and I am stuck on two points. \*Configuration Target: OP5600 chassis with an OP5142\_1 card (EX bus) Bit… --- ## [Title: OP5600 with RT-LAB 2022.1 and eHS Solver License – FPGA Compatibility and Model Partitioning](https://community.opal-rt.com/t/title-op5600-with-rt-lab-2022-1-and-ehs-solver-license-fpga-compatibility-and-model-partitioning/249)
**Author:** [@CosmicNewt51](https://community.opal-rt.com/u/CosmicNewt51)\ **Replies:** 2\ **Last updated:** [October 4, 2026, 12:01pm UTC](https://community.opal-rt.com/t/title-op5600-with-rt-lab-2022-1-and-ehs-solver-license-fpga-compatibility-and-model-partitioning/249 "2026-10-04T12:01:00Z")
Hello everyone, I am working with an OPAL-RT OP5600 HIL simulator, RT-LAB 2022.1, and an eHS Solver license. I would like to use the eHS SE S-Function Driver to simulate a bidirectional electric vehicle battery charger … --- ## [T-NPC eHS HSCS Reference Simulation Model](https://community.opal-rt.com/t/t-npc-ehs-hscs-reference-simulation-model/243)
**Author:** [@Yue.Pan](https://community.opal-rt.com/u/Yue.Pan)\ **Replies:** 0\ **Last updated:** [September 30, 2026, 12:25pm UTC](https://community.opal-rt.com/t/t-npc-ehs-hscs-reference-simulation-model/243 "2026-09-30T12:25:31Z")
Overview A starter reference model of TNPC converter based on eHS HSCS solver. This is a TNPC converter reference model using carrier-based SPWM, with RL and BMF voltage source load. Real-time simulation via RT-LAB e… --- ## [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… --- ## [01\_axial\_pm\_generator\_v3\_corrected\_EN](https://community.opal-rt.com/t/01-axial-pm-generator-v3-corrected-en/199)
**Author:** [@SilverPanda86](https://community.opal-rt.com/u/SilverPanda86)\ **Replies:** 0\ **Last updated:** [September 15, 2026, 10:31pm UTC](https://community.opal-rt.com/t/01-axial-pm-generator-v3-corrected-en/199 "2026-09-15T22:31:19Z")
Would anyone like to verify the functionality of the energy source design in practice? Concept: --- ## [Is eHs working in VC707 FPGA?](https://community.opal-rt.com/t/is-ehs-working-in-vc707-fpga/161)
**Author:** [@Vincent\_Jiang](https://community.opal-rt.com/u/Vincent_Jiang)\ **Replies:** 2\ **Last updated:** [September 9, 2026, 1:49am UTC](https://community.opal-rt.com/t/is-ehs-working-in-vc707-fpga/161 "2026-09-09T01:49:05Z")
Below is the OP5707XG system structure. I am using eHs, which is based on FPGA. There is a VC707 FPGA in the OP5707XG system structure. Is ht eHs working in VC707 as shown in the OP5707XG system structure? --- ## [RTE PWM connect to MOSFET](https://community.opal-rt.com/t/rte-pwm-connect-to-mosfet/189)
**Author:** [@Hello](https://community.opal-rt.com/u/Hello)\ **Replies:** 1\ **Last updated:** [September 8, 2026, 3:09pm UTC](https://community.opal-rt.com/t/rte-pwm-connect-to-mosfet/189 "2026-09-08T15:09:42Z")
I want to generate a 100kHz pulse train that will fed to MOSFET. As i am new to this will anyone suggest me for this --- ## [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: --- ## [What are the Power Electronic configuration supported with HSCS?](https://community.opal-rt.com/t/what-are-the-power-electronic-configuration-supported-with-hscs/125)
**Author:** [@PFA007](https://community.opal-rt.com/u/PFA007)\ **Replies:** 3\ **Last updated:** [August 14, 2026, 12:58am UTC](https://community.opal-rt.com/t/what-are-the-power-electronic-configuration-supported-with-hscs/125 "2026-08-14T00:58:34Z")
People are asking us, ok, what are the already supported configuration with HSCS, here is the full list : :battery: DC-DC Converters LLC Resonant Converter (Single-Phase & Three-Phase) — EV charging, On-Board Chargers … --- ## [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… --- ## [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… --- ## [Building scalable HIL test benches: OPAL-RT + NI hardware integration for electrified propulsion](https://community.opal-rt.com/t/building-scalable-hil-test-benches-opal-rt-ni-hardware-integration-for-electrified-propulsion/135)
**Author:** [@JefCintra](https://community.opal-rt.com/u/JefCintra)\ **Replies:** 1\ **Last updated:** [July 27, 2026, 9:51pm UTC](https://community.opal-rt.com/t/building-scalable-hil-test-benches-opal-rt-ni-hardware-integration-for-electrified-propulsion/135 "2026-07-27T21:51:38Z")
Sharing a general framework rather than a specific setup — this comes up often when scaling HIL benches for electrified propulsion (eVTOL, EV/HEV) and I think it’s worth discussing openly. When the goal is a scalable, D… --- ## [FPGA-Based PMSM Drive](https://community.opal-rt.com/t/fpga-based-pmsm-drive/87)
**Author:** [@Party\_Patel](https://community.opal-rt.com/u/Party_Patel)\ **Replies:** 1\ **Last updated:** [July 17, 2026, 9:00am UTC](https://community.opal-rt.com/t/fpga-based-pmsm-drive/87 "2026-07-17T09:00:00Z")
Overview A closed-loop FPGA-based PMSM drive example for electric vehicle-style machine control using a two-level converter and CPU/FPGA co-simulation. This model expands the community starter library into transportatio… --- ## [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… --- ## [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… --- ## [Islanded Operation of an Inverter-Based Microgrid Using Droop Control](https://community.opal-rt.com/t/islanded-operation-of-an-inverter-based-microgrid-using-droop-control/79)
**Author:** [@DK\_19](https://community.opal-rt.com/u/DK_19)\ **Replies:** 1\ **Last updated:** [July 9, 2026, 10:00am UTC](https://community.opal-rt.com/t/islanded-operation-of-an-inverter-based-microgrid-using-droop-control/79 "2026-07-09T10:00:00Z")
Overview A three-inverter islanded microgrid example that demonstrates proportional load sharing, droop control, and supervisory restoration of voltage and frequency. This model demonstrates islanded operation of an inv… --- ## [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-…