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Power Electronics

Structure Type: Study unit
Code: IST7005
Type: Compulsory / Basic Studies
Curriculum: ST 2018
Level: Bachelor of Engineering
Year of Study: 2 (2019-2020)
Semester: Spring
Credits: 5 cr
Responsible Teacher: Jokinen, Kari
Language of Instruction: Finnish

Courses During the Academic Year 2019-2020

Impl.Group(s)Study TimeTeacher(s)LanguageEnrolment
3I-ST-2N, YHT-VY-22020-01-07 – 2020-04-24Kari Jokinen, Marko Iskala, Matti NiskalaFinnish2019-12-16 – 2020-01-14

Still need to take the course? See the courses during the academic year 2021-2022.

Learning Outcomes

The student obtains the basic knowledge of converter applications on modern electric drives, for example, the line commutated converter and inverter of a frequency converter. The student understands the principles of the power electronic components as a part of the converter. The student gets familiar with the network effects of converters, such as the generation of overcurrent waves and reactive power. The student can rate the converter for different kinds of loads.

Student's Workload

133 h.

Prerequisites / Recommended Optional Courses

Calculation Methods of Circuits, Transient and Frequency Analysis.


The function of the power electronic components in converters. The construction and principles of line commutated rectifiers. The function of the gate commutated converters such as inverters and choppers. Harmonic current and voltage, reactive power generated by the converter. Loading capacity of the converter. In the laboratory session of the course the student studies the functions of the converters and conducts practical start up actions.

Recommended or Required Reading and Other Learning Resources/Tools

Suuntaajatekniikka (handout), Assignment materials, Laboratory work instructions

Mode of Delivery / Planned Learning Activities and Teaching Methods

Lectures, demonstrations, exercises and laboratory exercises.

Assessment Criteria

5: The student is able to utilise the knowledge/methods/calculations learnt during the study unit independently and combine the knowledge with previously learnt in various contexts.
3: The student is able to utilise the knowledge/methods/calculations learnt during the study unit independently.
1: The student is able, with guidance, to utilise the knowledge/methods/calculations learnt during the study unit.

Assessment Methods

Exam, exercises and laboratory exercises