EJ2230 Control in Electrical Energy Conversion 6.0 credits

Reglering för elektrisk energiomvandling

Aim of the course is to give the students ability to design and analyse control systems for electrical energy conversion. The course focuses primarily on control of voltage-source converters, both in electrical machine drives and connected to the grid.

  • Education cycle

    Second cycle
  • Main field of study

    Electrical Engineering
  • Grading scale

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

Course offerings

Spring 19 for programme students

Spring 20 for programme students

Intended learning outcomes

Aim of the course is to give the students ability to design and analyse control systems for electrical energy conversion. The course focuses primarily on control of voltage-source converters, both in electrical machine drives and connected to the grid.

After completed course the student should be able to

  • contruct and apply models for the electrical energy conversion process, mainly machine, grid and load models;
  • understand the different time scales on which key variables in the electrical energy conversion process evolve;
  • close various control loops with suitably selected controller structures and with appropriate parameter choices;
  • analyse the stability and sensitivity of control loops;
  • understand the principles of estimation of variables which cannot be measured and the implications of estimation on the system performance.

Course main content

Circuits and systems in power electronics and drives.

Voltage-source converters.

DC motor drives.

AC motor drives.

Fundamentals of vector control.

Vector current control.

Vector control of PM synchronous machine drives.

Vector control of induction machine drives.

Vector control of grid-connected converters.

Disposition

Lessons, exercises, computer-aided exercises and project .

Eligibility

Knowledge equivalent to EJ2201 and EJ2301. English 6 or equivalent

Literature

Textbook EJ2230, KTH.

Examination

  • PRO1 - Project Work, 2.0, grading scale: P, F
  • TEN1 - Written Exam, 4.0, grading scale: A, B, C, D, E, FX, F

Requirements for final grade

TEN1, written exam, 4 hp

PRO1, project assignment, 2 hp

Offered by

EECS/Electrical Energy Engineering

Examiner

Lennart Harnefors <lhar@kth.se>

Version

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