EJ2210 Analysis of Electrical Machines 7.5 credits

Elmaskinanalys

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.

Offering and execution

Course offering missing for current semester as well as for previous and coming semesters

Course information

Content and learning outcomes

Course contents *

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.

Intended learning outcomes *

To provide an extended knowledge of:

  • motor applications, pumps, fans, electrical vehicles,
  • nonsinusoidal mmf 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,
  • the influence of converter control on electrical machines.

Course Disposition

No information inserted

Literature and preparations

Specific prerequisites *

180 higher education credits, or equivalent academic qualifications. Documented proficiency in English corresponding to English B.

Recommended prerequisites

EJ2200 Electrical Machines and Drives.

Equipment

No information inserted

Literature

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

Examination and completion

Grading scale *

A, B, C, D, E, FX, F

Examination *

  • PRO1 - Project, 1.5 credits, Grading scale: P, F
  • TENA - Examination, 6.0 credits, Grading scale: A, B, C, D, E, FX, F

Based on recommendation from KTH’s coordinator for disabilities, the examiner will decide how to adapt an examination for students with documented disability.

The examiner may apply another examination format when re-examining individual students.

Other requirements for final grade *

One written examination. (TEN1; 6 cr)
1 project exercises.(PRO1; 1,5 cr)

Opportunity to complete the requirements via supplementary examination

No information inserted

Opportunity to raise an approved grade via renewed examination

No information inserted

Examiner

Oskar Wallmark

Further information

Course web

Further information about the course can be found on the Course web at the link below. Information on the Course web will later be moved to this site.

Course web EJ2210

Offered by

EES/Electrical energy conversion

Main field of study *

Electrical Engineering

Education cycle *

Second cycle

Add-on studies

EJ2221

Contact

Oskar Wallmark

Ethical approach *

  • All members of a group are responsible for the group's work.
  • In any assessment, every student shall honestly disclose any help received and sources used.
  • In an oral assessment, every student shall be able to present and answer questions about the entire assignment and solution.