Altair PSIM 2025.0

Altair has released PSIM 2025.0 is the electronic circuit simulation software, designed specifically and primarily for power electronics and motor control (electrotechnics).

Release Notes Altair PSIM 2025.0
These Release Notes include new features and resolved simulation and code generation issues for Altair PSIM 2025.0

Flux/FluxMotor LuT in SynRM motor model
New Flux/FluxMotor LuT based SynRM motor model is added
Stepper motor models (both Center-tap and Unipolar)
New 2-phase Hybrid Stepper motor models (both Center-tap and Unipolar) are added
New Capacitance Matrix Block
Capacitance matrix blocks are added to define self-capacitances and mutual capacitances of a network
New element “Math Function (16-input)”
It supports 16-input MathBlock functions
Supporting 4D tables in thermal XML files
Supports 4D tables in thermal XML files
Modify Menu (Simview)
Modify menu has the following two operations in Simview:
- Reset Time Step: To provide uniformly sampled data from an original ununiformally sampled data.
- Sort Based on X-values: To sort and organize the data along the X-axis for better clarity and analysis.
Examples
New examples are added for the following new features:
- Flux/FluxMotor LuT based SynRM motor model
- Stepper motor models (both Center-tap and Unipolar)
- Capacitance matrix blocks
- 16-Input MathBlock functions
Tutorials
The following tutorials are updated:
- How to Generate LuTs for PMSM (Flux and FluxMotor) Models
- Induction Motor and PMSM Models with High-Frequency Effect
- Lithium-Ion Battery Model
- How to Use the FMI Module
Help/Documentation
New documentation Help files are added for the following new features:
- Flux/FluxMotor LuT based SynRM motor model
- Stepper motor models (both Center-tap and Unipolar)
- Capacitance matrix blocks
- 16-Input MathBlock functions
- Modify Menu (Simview)

Special Note: Please note that this will be the last PSIM release that the MagCoupler feature will be included. Starting from the next release (PSIM 2025.1), the MagCoupler feature will be removed from PSIM




PSIM has been a leading power electronics and motor drive simulation and design software for over 25 years. With an intuitive, user-friendly interface and a robust simulation engine, PSIM is the all-in-one solution that meets users’ simulation and design needs. PSIM can handle quick power converter loss calculations, motor drive efficiency calculations, conducted EMI analysis, and analog/digital control. PSIM also offers automatic embedded code generation for rapid control prototyping. Additionally, with PSIM’s various Design Suites, users can design power supplies, electromagnetic interference (EMI) filters, and motor drive systems quickly and conveniently. PSIM also integrates seamlessly with other Altair products (Activate, Embed, Flux/FluxMotor, MotionSolve) and with third-party software, and offers an integrated solution for multi-domain, multi-physics systems.

Getting started with PSIM


Altair is a global leader in computational science and artificial intelligence (AI) that provides software and cloud solutions in simulation, high-performance computing (HPC), data analytics, and AI. Altair enables organizations across all industries to compete more effectively and drive smarter decisions in an increasingly connected world – all while creating a greener, more sustainable future.

Owner: Altair
Product Name: PSIM
Version: 2025.0 Professional
Supported Architectures: x64
Website Home Page : www.altair.com
Languages Supported: english
System Requirements: Windows *
Size: 883.2 mb