# \#pmsm **URL:** https://forum.plexim.com/tag/pmsm/377.md [Latest](https://forum.plexim.com/latest.md) · [Categories](https://forum.plexim.com/categories.md) · [Tags](https://forum.plexim.com/tags.md) --- ## [PMSM FOC works in offline simulation but not on RT Box](https://forum.plexim.com/t/pmsm-foc-works-in-offline-simulation-but-not-on-rt-box/3336)
**Author:** [@angular\_dot](https://forum.plexim.com/u/angular_dot)\ **Replies:** 1\ **Last updated:** [October 14, 2026, 1:04pm UTC](https://forum.plexim.com/t/pmsm-foc-works-in-offline-simulation-but-not-on-rt-box/3336 "2026-10-14T13:04:00Z")
SSZ.plecs (211.1 KB) Hello, I am using the Plexim “Sensorless Vector Control of a PMSM” demo model as a reference to implement the FOC of my own PMSM. I have modified the demo model with my motor parameters, switching … --- ## [Electric Machines FAQ](https://forum.plexim.com/t/electric-machines-faq/2698)
**Author:** [@Bryan\_Lieblick](https://forum.plexim.com/u/Bryan_Lieblick)\ **Replies:** 0\ **Last updated:** [November 13, 2025, 6:13am UTC](https://forum.plexim.com/t/electric-machines-faq/2698 "2025-11-13T06:13:22Z")
DQ Transformation Multiple conventions exist for the DQ (direct-quadrature) transformation, differing in frame alignment and axis ordering. The choice of convention affects the resulting equations and signs in the model. … --- ## [Can I get example of Thermal Model for PMSM](https://forum.plexim.com/t/can-i-get-example-of-thermal-model-for-pmsm/1853)
**Author:** [@limpnirvana](https://forum.plexim.com/u/limpnirvana)\ **Replies:** 2\ **Last updated:** [March 10, 2025, 12:40am UTC](https://forum.plexim.com/t/can-i-get-example-of-thermal-model-for-pmsm/1853 "2025-03-10T00:40:09Z")
Hello Everyone, I’m trying to find a thermal model for PMSM. I can find a Simscape model; however, I usually use the standalone Plecs and RT-Box HILS Model. I want to implement a thermal model for PMSM to improve the co… --- ## [General PMSM control ( FOC and field weakening) example](https://forum.plexim.com/t/general-pmsm-control-foc-and-field-weakening-example/1384)
**Author:** [@oming0731](https://forum.plexim.com/u/oming0731)\ **Replies:** 0\ **Last updated:** [August 15, 2024, 8:10am UTC](https://forum.plexim.com/t/general-pmsm-control-foc-and-field-weakening-example/1384 "2024-08-15T08:10:00Z")
I am trying to find General PMSM control ( FOC and field weakening) example. But I am not able to find it. If any one has an example of this, please let me know. --- ## [How to generate FEA data for LUT based PMSM?](https://forum.plexim.com/t/how-to-generate-fea-data-for-lut-based-pmsm/1337)
**Author:** [@Bijen\_Mali](https://forum.plexim.com/u/Bijen_Mali)\ **Replies:** 4\ **Last updated:** [July 14, 2024, 10:29pm UTC](https://forum.plexim.com/t/how-to-generate-fea-data-for-lut-based-pmsm/1337 "2024-07-14T22:29:02Z")
I have been trying to create a nonlinear model of a PMSM as stated in this video. Demo Model Video - PLECS: Look-up Table-Based PMSM | Plexim In the video, it is stated that there is an application note on the Plexin we… --- ## [PMSM DTC - Direct Torque Control for Inner Permanent Magnet Synchronous Motor](https://forum.plexim.com/t/pmsm-dtc-direct-torque-control-for-inner-permanent-magnet-synchronous-motor/1347)
**Author:** [@onder44](https://forum.plexim.com/u/onder44)\ **Replies:** 0\ **Last updated:** [April 15, 2024, 3:48pm UTC](https://forum.plexim.com/t/pmsm-dtc-direct-torque-control-for-inner-permanent-magnet-synchronous-motor/1347 "2024-04-15T15:48:03Z")
Hello all, I would like to create a model and find inverter losses for the Inner Permanent Magnet Synchronous Motor with Direct Torque Control. I created a model and added it as an attachment. I used the WLTP cycle as a… --- ## [PMSM DTC - direct torque control, with outer speed control loop](https://forum.plexim.com/t/pmsm-dtc-direct-torque-control-with-outer-speed-control-loop/894)
**Author:** [@qre4ever](https://forum.plexim.com/u/qre4ever)\ **Replies:** 3\ **Last updated:** [February 27, 2023, 10:45am UTC](https://forum.plexim.com/t/pmsm-dtc-direct-torque-control-with-outer-speed-control-loop/894 "2023-02-27T10:45:25Z")
So the idea is to use the DTC example of the induction motor and adapt it to a PMSM, while: using angle measurement. fixed carrier switching frequency of 10kHz motor is defined in the file implementing the bl… --- ## [How to operate the PMSM in the Inverter fed PMSM model as a generator?](https://forum.plexim.com/t/how-to-operate-the-pmsm-in-the-inverter-fed-pmsm-model-as-a-generator/1166)
**Author:** [@santhoshs99](https://forum.plexim.com/u/santhoshs99)\ **Replies:** 0\ **Last updated:** [September 23, 2022, 1:47pm UTC](https://forum.plexim.com/t/how-to-operate-the-pmsm-in-the-inverter-fed-pmsm-model-as-a-generator/1166 "2022-09-23T13:47:12Z")
Hi, I’m using the demo model on inverter fed PMSM as the base to build out a different model, but I’m unsure how to operate the machine as a generator? I have an operating point at a certain high speed and for a certain… --- ## [How to calculation of PMSM Back EMF](https://forum.plexim.com/t/how-to-calculation-of-pmsm-back-emf/1044)
**Author:** [@oming0731](https://forum.plexim.com/u/oming0731)\ **Replies:** 1\ **Last updated:** [July 19, 2021, 10:38am UTC](https://forum.plexim.com/t/how-to-calculation-of-pmsm-back-emf/1044 "2021-07-19T10:38:01Z")
Dear All, I have a question about back EMF of PMSM. In the Plecs, how to calculate back EMF of PMSM? I have back emf constant which measure by line to line peak voltage. Best regards, --- ## [Replacing 2 level IGBT converter block with expanded 3 phase inverter](https://forum.plexim.com/t/replacing-2-level-igbt-converter-block-with-expanded-3-phase-inverter/1009)
**Author:** [@hugoc](https://forum.plexim.com/u/hugoc)\ **Replies:** 2\ **Last updated:** [April 10, 2021, 1:04pm UTC](https://forum.plexim.com/t/replacing-2-level-igbt-converter-block-with-expanded-3-phase-inverter/1009 "2021-04-10T13:04:28Z")
I am looking to set up a Permanent-Magnet Synchronous Machine model similar to the Demo, however I want to replace the 2 level IGBT converter block with an inverter of my own design. The ‘pulses’ input for the converter … --- ## [Back to back PMSM with parasitics IGBT converter](https://forum.plexim.com/t/back-to-back-pmsm-with-parasitics-igbt-converter/958)
**Author:** [@akarls87](https://forum.plexim.com/u/akarls87)\ **Replies:** 3\ **Last updated:** [February 11, 2021, 10:24am UTC](https://forum.plexim.com/t/back-to-back-pmsm-with-parasitics-igbt-converter/958 "2021-02-11T10:24:56Z")
Trying to simulate two mechanically coupled PMSMs each driven by an IGBT converter with parasitics. The problem is that both converters cannot be specified with a forward voltage drop on the IGBT/diode, or else Simulink … --- ## [PMSM control with Rotational Speed (Controlled)](https://forum.plexim.com/t/pmsm-control-with-rotational-speed-controlled/956)
**Author:** [@oming0731](https://forum.plexim.com/u/oming0731)\ **Replies:** 1\ **Last updated:** [February 8, 2021, 5:08pm UTC](https://forum.plexim.com/t/pmsm-control-with-rotational-speed-controlled/956 "2021-02-08T17:08:17Z")
Deal all, I want to use Rotational Speed (Controlled) in my PMSM with inverter model. However, when I try to use it, there is error same as below 1)State/source dependence in components 210208\_SingleInverter\_speedlo… --- ## [Open circuit problem about PMSM model using rotor reference frame](https://forum.plexim.com/t/open-circuit-problem-about-pmsm-model-using-rotor-reference-frame/930)
**Author:** [@shirmin001](https://forum.plexim.com/u/shirmin001)\ **Replies:** 1\ **Last updated:** [December 22, 2020, 10:59am UTC](https://forum.plexim.com/t/open-circuit-problem-about-pmsm-model-using-rotor-reference-frame/930 "2020-12-22T10:59:02Z")
PLECS libraries provide two PMSM models: rotor reference frame and voltage behind reactance (VBR). The model under rotor reference frame is more efficiency for calculation, but it cannot solve the problem when PMSM is op… --- ## [Start PMSM uncontrolled](https://forum.plexim.com/t/start-pmsm-uncontrolled/917)
**Author:** [@raphael.baumeler](https://forum.plexim.com/u/raphael.baumeler)\ **Replies:** 2\ **Last updated:** [December 10, 2020, 2:40am UTC](https://forum.plexim.com/t/start-pmsm-uncontrolled/917 "2020-12-10T02:40:31Z")
Dear PLECS Team I want to start my PMSM machine with the following voltage (Vab\_startUp -\> alpha-beta coordinate system) uncontrolled. The motor start can be divided into three steps: constant phase current (t = 0…1.0… --- ## [Driving a PMSM with space vector modulation](https://forum.plexim.com/t/driving-a-pmsm-with-space-vector-modulation/801)
**Author:** [@srinath](https://forum.plexim.com/u/srinath)\ **Replies:** 4\ **Last updated:** [July 18, 2020, 2:39am UTC](https://forum.plexim.com/t/driving-a-pmsm-with-space-vector-modulation/801 "2020-07-18T02:39:32Z")
I want to drive a PMSM in open-loop with 3 phase shifted sinewaves. I convert the sine output to alpha-beta frame and give it to the space vector modulation block. However i am doing smething wrong as the outputs of the… --- ## [Can the PMSM model be modified for an Open Winding Configuration?](https://forum.plexim.com/t/can-the-pmsm-model-be-modified-for-an-open-winding-configuration/765)
**Author:** [@tbeechner](https://forum.plexim.com/u/tbeechner)\ **Replies:** 1\ **Last updated:** [April 23, 2020, 12:35pm UTC](https://forum.plexim.com/t/can-the-pmsm-model-be-modified-for-an-open-winding-configuration/765 "2020-04-23T12:35:18Z")
I am trying to model a three-phase PMSM with an independent open winding configuration (no internal neutral). Looking under the MASK of the PMSM model, it appears that this should be easily accomodated with the “Voltage …