On successful completion of the course, the student should be able to
have an understanding of the physical foundation for electric machines and electromechanical energy conversion
have a basic physical understanding of the working principles for the most important DC- and AC machines
understand electric motor drives as the synthesis of electric machines, power electronics and feedback control
model and simulate electric motor drives (DC and AC machines)
select the components of an electric drive system.
Electric motor drives can be seen as the synthesis of electric machines, power electronics and feedback control. The main emphasis of this course is the physical understanding of electric machines, since especially feedback control is covered in-depth in other courses in the study program. Power electronics is seen only as a block, which is able to process electrical energy to the form that is necessary for the application. The following subjects are treated: repetition of basics from electrical engineering, magnetism, magnetic circuits and transformers, DC machines, AC machines and the use of space vectors in the mathematical description, synchronous machines, asynchronous machines, modelling and dynamic simulation of DC and AC machines, motor and drive selection.
Teaching methods and workload
Lectures. Parts of the syllabus must be read as self-study. Instruction. Estimated work load for the average student is approximately 200 hours.
Satisfactory submission of obligatory exercises and/or laboratory work. Information will be given in Canvas at the start of the course.
Assessment methods and criteria
Written examination, 3 hours (60 % contribution to final assessment) and project report (40 % contribution to final assessment). Graded assessment.
Course evaluation is carried out as a midterm evaluation in accordance with standard procedure in the quality assurance system, chapter 2.1.1., unless other information is given in the beginning of the semester.