EJ3210 Analysis of Electrical Machines 9.0 credits


To provide an extended knowledge of Electrical Machines with special regard to time and space harmonics, operation at unbalanced conditions and transient performance. The course also provides knowledge of modern methods for analysis of electrical machines e.g. finite element analysis.

  • Education cycle

    Third cycle
  • Main field of study

  • Grading scale

    P, F

Information for research students about course offerings

Will be abolished (transferred to EJ3222)

Intended learning outcomes

After the course, the student should be able to demonstrate an extended knowledge of:

-motor applications, pumps, fans, electrical vehicles,

-non-sinusoidal m.m.f. waves, supply voltage harmonics and windings,

· induction machines, derivation of the equivalent circuits parameters,

·influence of magnetic saturation,

·influence of temperature dependence

·models for transient analysis of electrical machines,

·influence of converter control on electrical machines.

Course main content

Magnetic circuits and materials, AC windings, extended models of electrical machines, asymmetric supply voltage and load, dq analysis for transient modelling of electrical machines, space vector analysis.


16 hours lecture, 12 hours tutorial, 12 hours project assignment, 40 hours individualized project


Recommended prerequisites

EJ2200 Electrical Machines and Drives.


Sadarangani, C., Electrical Machines – Design and Analysis of Induction and Permanent Magnet Motors, KTH 2006, chapters 1-6.


  • EXA1 - Examination, 9.0, grading scale: P, F

A full-time week is dedicated to the individualized project preferably linked to the student’s own research.

Requirements for final grade

·        One written examination

·        Project assignment

·        Individualized project

Offered by

EECS/Electric Power and Energy Systems


Oskar Wallmark


Oskar Wallmark <owa@kth.se>

Add-on studies



Course syllabus valid from: Spring 2012.
Examination information valid from: Spring 2019.