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Power Electronics Group LLC

Free Learning

Video Library

Hours of free lessons on brushless motor design, motor control, inverters and finite element analysis, taught by Rakesh Dhawan from 34+ years of hands-on experience.

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Complete Course: Brushless PM Motor Design & Control

Recorded workshop modules. Start with Module 1 and work through in order. Slides are free on the workshop page.

Module 1: Fundamentals of Brushless Permanent Magnet Motor Design41:57
Module 1: Fundamentals of Brushless Permanent Magnet Motor Design
Module 2: Motor and Magnetic Architectures35:11
Module 2: Motor and Magnetic Architectures
Module 3: Analytical Methods for Electric Motor Design & Analysis56:21
Module 3: Analytical Methods for Electric Motor Design & Analysis
Module 4: Introduction to Space Vectors, Motor Control Fundamentals13:57
Module 4: Introduction to Space Vectors, Motor Control Fundamentals
Module 5: Motor Parameter Estimation (Lq, Ld & λm)45:52
Module 5: Motor Parameter Estimation (Lq, Ld & λm)
Module 8: Advanced Motor Control & Power Stage Design52:30
Module 8: Advanced Motor Control & Power Stage Design
Module 9: Permanent Magnet Motor Control Problems & Solutions
Module 9: Permanent Magnet Motor Control Problems & Solutions
Module 13: Master FEMM Free Software for Motor Design & Analysis
Module 13: Master FEMM Free Software for Motor Design & Analysis

Design & Simulation Deep Dives

FEA, simulation, drive architecture and power-stage design.

Finite Element Motor Design and Automation Using FEMM & MATLAB
Finite Element Motor Design and Automation Using FEMM & MATLAB
Motor Design with FEA: Torque Optimization and Flux Analysis
Motor Design with FEA: Torque Optimization and Flux Analysis
3-Phase vs 5-Phase Motor, Inverter and Architecture
3-Phase vs 5-Phase Motor, Inverter and Architecture
PWM Switching Schemes for Motor Drives16:00
PWM Switching Schemes for Motor Drives
Motor Control Simulation: PSpice Analysis
Motor Control Simulation: PSpice Analysis
100 kHz Motor Drives: How to Design High-Frequency Drives3:06
100 kHz Motor Drives: How to Design High-Frequency Drives
Maximize Power & Minimize Torque Ripple3:19
Maximize Power & Minimize Torque Ripple
MOSFET Gate Driver & Bootstrap Circuit Design4:03
MOSFET Gate Driver & Bootstrap Circuit Design
MOSFET Bootstrap Capacitor Explained4:27
MOSFET Bootstrap Capacitor Explained

Troubleshooting Motors & Inverters

Real-world failure modes and how to diagnose and fix them.

Motor Control & Fault Detection
Motor Control & Fault Detection
Motor Problems: Winding Overload, EMI & Cogging Torque
Motor Problems: Winding Overload, EMI & Cogging Torque
Fixing Winding and Cogging Torque Issues in BLDC Motors
Fixing Winding and Cogging Torque Issues in BLDC Motors
Short Circuits in Inverter Systems Explained
Short Circuits in Inverter Systems Explained
Hardware Faults: How to Detect Issues in Your Inverter
Hardware Faults: How to Detect Issues in Your Inverter

Quick Lessons

One-minute explanations of core motor-control concepts.

Vq & Vd Axis: Flux and Equations1:05
Vq & Vd Axis: Flux and Equations
The Vd Term: Negative Component and Back-EMF1:15
The Vd Term: Negative Component and Back-EMF
D-Axis Alignment for Rotor Flux Linkage1:25
D-Axis Alignment for Rotor Flux Linkage
Magnet Orientation and the D-Axis0:15
Magnet Orientation and the D-Axis
Inverter Tuning for Maximum Torque & Efficiency0:52
Inverter Tuning for Maximum Torque & Efficiency

Projects & AI-Accelerated Development

Hardware we have built, and how Power Flux AI takes products from concept to prototype in about 90 days.

Segmented 24-Slot 28-Pole Axial Flux Motor with Integrated Encoder & Inverter0:56
Segmented 24-Slot 28-Pole Axial Flux Motor with Integrated Encoder & Inverter
E-Bike Technology: First with Phone App & Wireless Console0:34
E-Bike Technology: First with Phone App & Wireless Console
90-Day Product Development: AI Powers Power Electronics2:18
90-Day Product Development: AI Powers Power Electronics
90-Day Product Launch: AI Compresses 2 to 4 Year Timelines2:11
90-Day Product Launch: AI Compresses 2 to 4 Year Timelines

Want to run these designs yourself?

Get ready-to-run simulation models, or bring us your project.

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