Electric Motor Design using MATLAB and ANSYS Maxwell

A 3 month course covering the fundamentals of electric motors and how to design them using MATLAB and ANSYS Maxwell

  • Domain : ELECTRICAL
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A Quick Overview

Electric motors are machines capable of converting electrical energy to mechanical energy to bring about any desired motion. Early applications of motors included use in pumps, machine drills, etc. They have now gained market traction with the rise in usage of hybrid and electric vehicles. Two main components of these vehicles are the Battery and the Motor. This course from Skill-Lync focuses on the electric motor. This is a 3 month program which covers :

  • Fundamental principles of electric motors
    • Electromagnetics
  • Everything you need to know about DC motors
    • Working Principle
    • Equivalent Circuits
    • Brushless DC Motors
  • Everything you need to know about AC motors
    • Working Principle
    • Equivalent Circuits
    • Motor Sizing
  • Applications of Motors
  • Permanent Magnet Motors
  • Reluctance Motors
  • Modelling of Motors in MATLAB/Simulink
  • Motor Design using ANSYS Maxwell

 

 


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COURSE SYLLABUS

1Electromagnetics

  • Basics of electromagnetics
    • Discuss basic definitions of electromagnetic theory and applications
  • Electric and magnetic fields
    • Interaction between electric and magnetic fields
    • Generation of flux
  • Electromagnetic analogies Flux 
    • Current Flux linkage
    • Voltage Resistance 
    • Reluctance
  • Maxwell’s equations
    • Basic Maxwell’s equations to calculate electromagnetic forces

2DC Motors

  • Series Motor Working principle
  • Equivalent circuit of a DC series motor
  • Calculation of back emf and torque
  • Shunt motor
    • Equivalent circuit of a DC shunt motor
    • Calculation of back emf and torque
  • Separately excited motor
    • Equivalent circuit of a separately excited DC motor
    • Calculation of back emf and torque
  • Brushless DC Motors
    • Basics of BLDC motors
    • Their back emf types and equations
  • Modelling of a DC motor
  • Basic modeling of DC motor using equivalent circuit 
  • Equations ,Math assignment for calculating flux linkage and back emf for different DC Motors
  • Motor commutation
  • Discuss commutation techniques of a DC motor

3AC Motors I - Introduction

  • Induction Motors
    • Introduction to AC motors
    • Induction motor components
    • Working principle and equivalent circuits
    • Slip, torque and efficiency equations
  • Synchronous Motors
    • Discuss asynchronous and synchronous AC electric motors
    • Equivalent cirucits
    • Reference frame transformation
  • Discuss stator and rotor reference frames with equations

4AC Motors II - Modelling

  • Induction motor sizing
    • Sizing equations of an induction motor
    • Equivalent circuit development
  • Motor modeling using MATLAB
    • Importing equations into MATLAB/Simulink and solving equivalent circuits

5Torque Speed Characteristics

  • Torque vs speed for different motors
    • Derive torque vs varying speeds or voltage input equations for different AC motors
  • Deriving characteristics using MATLAB
    • Expand previously developed MATLAB/Simulink model to generate torque vs speed plots

6Industrial Applications of Motors 1

  • DC Motor applications in different industries
  • AC vs DC (Tesla vs World) Motor as a component of industrial control systems
  • Operating several motors in a multi-axis motion systems
    • Discuss applications such as robotics, automation, material handling and machine tools

7Permanent Magnet Motors

  • Magnetic circuits
    • Explain magnetic circuits
    • Basic transformers and develop equations for flux linkage
  • Permanent Magnet motor modeling
  • Discuss basics of PM motor design equations and explain electromagnetic FEA
  • Different types of PM motors Interior PM motors Surface mount PM motors
  • Components of a PM motor
  • Discuss different types of possible stator slots, rotor poles, flux barriers, air gap, coils etc

8Reluctance Motors

  • Introduction to different types of reluctance motors
  • Synchronous Reluctance and Switched Reluctance Motors
    • Discuss torque equations and saliency ratio
  • Lumped parameter modeling
  • Discuss magnetic equivalent circuits
  • Motor losses
    • Discuss Iron, copper and eddy current losses

9PM assisted Synchronous Reluctance Motors

  • Design of a PMa-SynRM
    • Dive into electromagnetic FEA design and simulation
    • Introduction to ANSYS modeling
    • Explain ANSYS Maxwell 2D and initiate a design model with basics of the tool
  • RMxprt vs Maxwell Predefined motor models vs customized 2D FEA designs

10Finite Element Analysis using ANSYS

  • Magnetostatic analysis
    • Steady state electromagnetic analysis and discussion
  • Transient analysis Time varying fields and simulation of dynamic electromagnetic FEA
  • Defining surface approximations Boundary, meshing and approximations to successful FEA simulation
  • Post processing tools of ANSYS Maxwell FFT, DFFT, exporting reports, plotting emf and torque vs time

11Electromagnetic analysis

  • Advanced FEA analysis
    • Importing CAD models
    • Defining surface approximations
    • Post processing tools of ANSYS Maxwell
    • Optimizing slot/pole combinations
    • Cogging torque vs Torque generated

12Interior PM Motor Design using ANSYS

  • Complete design and simulation of an IPM motor using ANSYS Maxwell 2D
  • Detailed instructions to design an interior permanent magnet based electric motor.


Projects Overview

Project 1

Highlights

This project requires the student to simulate the starting behavior of a 5 hp 3-phase squirrel cage induction machine with a set of parameters. The student is required to obtain the characteristics in 

  1. Stationary reference frame
  2. Synchronous reference frame
  3. Rotor reference frame
  4. Rotor flux reference frame

The machine must be analysed for the free acceleration period as well as the transient load period.

 

 

Project 2

Highlights

  1. Emulate Torque-Speed characteristics of the designed IPM motor in Ansys Maxwell.
  2. Change the material types of magnets and stator/rotor. Run simulations again and prepare a detailed report of the results.

WHO IS THIS COURSE FOR ?


  • Bachelor’s in Electrical Engineering or relevant field with knowledge in electric machine theory.

SOFTWARE COVERED

MATLAB/Simulink

In the first part of the course, a numerical model of an AC electric motor will be developed using MATLAB/Simulink. Simulation results will yield the generated electromagnetic torque at a given speed and load.
 

ANSYS Electronics/Maxwell

In the second part of the course, a finite element model of an AC permanent magnet based electric motor will be developed using ANSYS Maxwell. Simulation results will yield the generated electromagnetic torque at a given set of design parameters. Although the depth of finite element analysis is humungous, this course will touch upon exciting aspects of electromagnetics.
 


COURSE FEE

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Total Course Fee is Rs. 30,000.
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Frequently Asked Questions

1Who can take your course?

 Bachelor’s in Electrical Engineering or relevant field with knowledge in electric machine theory.

2What is included in your course?

 Basics of Electric machine theory, electromagnetics, and the art of designing an electric machine.

3What will the student gain from your course?

 At the end of the course, the student will be skillful enough to design an electric motor and perform numerical and electromagnetic analysis using finite element analysis tools.

4What software skills are you teaching and how well are these tools used in the industry?

 Matlab and Ansys Electronics (Maxwell) are used in this course. Matlab is widely used in industry to simulate numerical models and Ansys is the most popular FEA tool used in electric machine designs.

5What is the real world application for the tools and techniques will you teach in this course?

For given specifications, the electric machines have to be custom designed. For example, a new high horsepower electric car will require a electric motor that provide higher torque while being compact. Although electric motor designs are well evolved, using low cost materials while keeping up with high torque density is always a challenge. This course will introduce tools to lay the groundwork before designing new machines.

6Which companies use these techniques and for what?

Most of the automobile companies use FEA tools in their motor designs. Several of them use Ansys Maxwell to solve their complex motor design requirements. In addition, several aircraft manufacturers also research on innovative traction motor designs.

7How is your course going to help me in my path to MS or PhD?

Although the basics of electric machines are introduced in Bachelors, the course work would lack any used case simulations. This course will take you to graduate level implementation of Electric machine theory and device it’s performance characteristics.

8How is this course going to help me get a job?

Adding Matlab and Ansys Maxwell to your resume will not only boost your profile but helps you get into the well-versed Electrical Engineering community. The Electric machine design is a hot research topic and the research publications in this area get several peer citations in short amount of time. In addition, there is literally no industry out there that doesn’t employ Electric machines as they race towards end to end automation. You will gain unique skillset by adding these tools to your profile which will help you get through interviews with ease.


Flexible Course Fees

Choose the Master’s plan that’s right for you

Basic

2 Months Access

7000

Per month for 3 months

  • Access Duration : 2 Months
  • Mode of Delivery : Online
  • Project Portfolio : Available
  • Certification : Available
  • Email Support : Available
  • Forum Support : Available
Premium

Lifetime Access

15000

Per month for 3 months

  • Access Duration : Lifetime
  • Mode of Delivery : Online
  • Project Portfolio : Available
  • Certification : Available
  • Individual Video Support : 12/ Month
  • Group Video Support : 12/ Month
  • Email Support : Available
  • Forum Support : Available
  • Telephone Support : Available

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Certification

  • Top 5% of the class will get a merit certificate
  • Course completion certificates will be provided to all students
  • Build a professional portfolio
  • Automatically link your technical projects
  • E-verified profile that can be shared on LinkedIn

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