ELE-3607 Power Electronics - 5 stp

The course will introduce the student to power electronic components and basic circuits for DC-DC and DC-AC energy conversion. Familiarizing with hardware, measurement techniques and safety is ensured through extensive laboratory work during the course.

Power Electronic fundamentals:

- Basic functionality of semiconductor switches

- Driver circuits

- Established and future transistor technology

- Electric circuit design and analysis

- Energy sources and conversion

- Magnetic design and analysis

- Simulations using SPICE and MATLAB/Simulink

Power Electronic circuits

- Switched circuits

- Rectifier circuits

- Line controlled thyristor converters

- DC-DC switched mode converters (Buck, Boost, Buck-boost)

- Flyback converters

- Full-bridge converter

- DC-AC inverters

- Hard and soft switching

- Power factor correction

- Snubber circuits

- Practical converter design

- Application of power electronic converters

A relevant undergraduate Bachelor Engineering program with minimum 25 credits mathematics, 5 credits statistics, 7,5 credits physics

Application code: 9371

After passing this course, the student shall have the following learning outcome:

Knowledge:

- The candidate will be able to explain the use of transistors, thyristors and diodes in switched circuits

- The candidate will be able to explain how power conversion can be performed using power electronics and pulse with modulation

- The candidate will know the basic converter topologies (Buck, Boost, Buck-Boost and full-bridge) for converting one DC voltage into another.

- The candidate will be able to explain how DC can be converted to AC using power electronic switches

- The candidate will know the principle of resonant and soft switching converters

- The candidate will know the main sources of energy losses in power electronic circuits

- The candidate will have knowledge on running experiments and conducting measurements in a laboratory environment

Skills:

- The candidate will be able to derive mathematical models for electrical circuits with linear and switched elements

- The candidate will be able to simulate power electronic circuits in SPICE and Simulink

- The candidate will be able to calculate component values for DC-DC converters

- The candidate will be able to design driver circuits controlling power transistors

- The candidate will be able to design and build inductors based on prefabricated cores

- The candidate will be able to design a controller for DC to AC converters with desired output frequency and voltage

- The candidate can apply power factor correction and snubber circuits to increase power quality in power electronic converters

- The candidate will be able to perform measurements, analysis and troubleshooting on power electronic circuits

- The candidate will be able to realize control algorithms by using rapid prototyping systems (dSpace)

General competence:

- The candidate will have basic knowledge on the use of power electronics in energy production, motor drives and power supplies.

- The candidate will aware of power electronics role towards sustainable societies and electrification, reduced energy consumption, and renewable energy.

Courswork / Course requirements

- Completed the required HSL courses within laboratory work and safety is required be approved before gaining access to the laboratory.

- 1 (out of 1) mandatory digital test in measurement techniques and correct use of laboratory equipment.

- 1 (out of 1) course evaluation form submitted

- 4 (out of 4) approved laboratory exercises.

Examination and assessment

The assessment is based on:

- 3-hours digital examination (100 %)

Grading is scaled from A (highest) to F (lowest), with E as the minimum pass grade.

Re-sit oral exam will be arranged if any candidate received grade F in the previous ordinary exam.