Power Electronics Group

https://mailchi.mp/dfb3486d247e/workshop-videos-and-slides-now-available

Workshop Videos and Slides Now Available I'm excited to share that our comprehensive brushless permanent magnet motor design workshop series is now available at the below links:

🚀 Engineering Excellence from India: Revolutionizing Industrial Ceiling Fans (HVLS Fsn) with Advanced Motor Technology

Proud to spotlight this groundbreaking 24-slot, 28-pole permanent magnet synchronous motor (PMSM) platform explicitly designed for High Volume Low Speed (HVLS) industrial fans by Power Electronics Group (https://powerelectronicsgroup.com/).

This isn't just another motor – it's a testament to Indian manufacturing excellence in the global arena.

What makes this motor platform exceptional:

🔧 Gearless Direct Drive Design – Eliminating mechanical complexity while maximizing efficiency and torque delivery

⚡ High Power Density – Achieving up to 170 N-M torque output with compact footprint for 24ft diameter fans

🔇 Ultra-Quiet Operation –

Accurate electromagnetic simulation tools are indispensable for motor design and analysis, particularly during early-stage development and optimization.

While commercial finite element (FE) tools are widely adopted in the industry, their high cost and licensing restrictions limit access for startups, academia, and prototyping efforts.

Finite Element Method Magnetics (FEMM) offers a compelling alternative: a free, open-source 2D solver for low-frequency electromagnetic problems.

FEMM’s functionality is well-suited for modeling rotating machines, transformers, actuators, and other magnetic systems.

Its effectiveness is significantly enhanced with MATLAB to automate multi-point simulation, parameter sweeps, and post-processing.

FEMM and MATLAB create a lightweight yet powerful environment for electromagnetic design and analysis.

This article documents a structured approach for using FEMM and MATLAB to design and evaluate a high-torque outer rotor motor. It presents a replicable workflow that includes defining the geometry and materials, solving for magnetic fields, and calculating torque and losses, followed by MATLAB scripting for automated simulation and data extraction.

This method particularly benefits power electronics researchers and motor designers aiming to implement an agile development cycle.

The combined FEMM-MATLAB approach enables deeper insights into field behaviors, material performance, and electromagnetic efficiency by reducing simulation time and providing real-time parameter tuning.

The analysis is extendable to fractional-slot, concentrated winding configurations, and other topologies.

Read More ...

https://powerelectronicsgroup.com/finite-element-motor-design-and-automation-using-femm-and-matlab-a-practical-methodology-for-motor-engineers/