Credits: 5

Schedule: 26.02.2020 - 27.05.2020

Contact information for the course (applies in this implementation): 

You can contact Marko Hinkkanen via email: marko.hinkkanen@aalto.fi.

Teaching Period (valid 01.08.2018-31.07.2020): 

IV-V

Learning Outcomes (valid 01.08.2018-31.07.2020): 

After the course, students will be able to:
1) draw and explain block diagrams of typical vector-controlled and DTC-controlled drive systems;
2) design three-phase current controllers;
3) select current references for various AC motors;
4) build simulation models for drive systems and power-converter systems;
5) explain the most essential relationships between control of AC motor drives and control of grid converters.

Content (valid 01.08.2018-31.07.2020): 

Characteristics and models of AC motors in electric drives. Current control and motion control. Control methods based on the vector model. Estimation of flux and speed for sensorless control. Control of grid converters.

Details on the course content (applies in this implementation): 

Tentative lecture plan:

  1. Introduction, induction motor (IM)
  2. Scalar-controlled IM drive
  3. Vector-controlled IM drive
  4. Pulse-width modulation (PWM) and current control
  5. Sensorless IM drive, direct torque control (DTC)
  6. Grid-connected converter
  7. LCL filter
  8. Grid faults and disturbances
  9. Lossless magnetic field, elementary synchronous machine
  10. Interior permanent-magnet synchronous motor (IPM) drive
  11. Sensorless IPM drive
  12. Recap, demo

Assessment Methods and Criteria (valid 01.08.2018-31.07.2020): 

Assignments, examination.

Elaboration of the evaluation criteria and methods, and acquainting students with the evaluation (applies in this implementation): 

The available points are:


Available points
Assignment 115
Assignment 215
Exam70
Total100

The course grade depends on the total points as follows:

Total pointsGrade
50-591
60-692
70-793
80-894
90-1005

Workload (valid 01.08.2018-31.07.2020): 

Contact teaching (lectures, exercises, instruction sessions), assignments, individual working (preparing for and reviewing after lectures and exercises, preparing for the examination).

Details on calculating the workload (applies in this implementation): 

Estimated student workload is given below:


Contact (h)Individual (h)Total (h)
Lectures (à 2 h)222244
Exercises (à 2 h)101020
Assignments (2)82432
Preparing for the exam
2424
Taking the exam
33
Total (h)4285127

Weekly individual working is necessary for learning
  • Reading assignments
  • Reviewing lecture slides and exercises
  • Completing assignments

Details on the course materials (applies in this implementation): 

Materials available at MyCourses:

  • Lecture slides
  • Exercise materials
  • Assignments
  • Selected pages of "Control of Voltage-Source Converters and Variable-Speed Drives" by L. Harnefors, M. Hinkkanen, O. Wallmark, and A. G. Yepes (2015)

Course Homepage (valid 01.08.2018-31.07.2020): 

https://mycourses.aalto.fi/course/search.php?search=ELEC-E8402

Prerequisites (valid 01.08.2018-31.07.2020): 

ELEC-E8405 Electric Drives (or similar knowledge)

Grading Scale (valid 01.08.2018-31.07.2020): 

0-5

Registration for Courses (valid 01.08.2018-31.07.2020): 

WebOodi

Further Information (valid 01.08.2018-31.07.2020): 

Language class 3 English

Details on the schedule (applies in this implementation): 

DateLectureProblem-solving exerciseClassroom instruction for assignments
26.2.20201, 2

4.3.202031
11.3.20204
1a
18.3.202052
25.3.20206
1b
1.4.202073
Exam week


15.4.20208
2a
22.4.202094
29.4.202010
2b
6.5.2020115
13.5.2020RecapDemo

Description

Registration and further information