| TNE102 |
Applied Power Electronics, 8 ECTS credits.
/Tillämpad effektelektronik/
For:
ED
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Prel. scheduled
hours: 70
Rec. self-study hours: 143
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Area of Education: Technology
Main field of studies: Electrical Engineering
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Advancement level
(G1, G2, A): G2
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Aim:
After completing the course the students should be able to:
PART1:
- Perform calculations on symmetric and on simple non symmetric three phase systems and do
simple calculations with symmetric components
- Describe and do calculations on power electronic components and their cooling
- Describe and do calculations on common electric machines and converters
- Describe and do calculations on electric power supplies
- Calculate quantities giving electric quality
- Accurately describe and explain the problems that may arise from interference, EMC and impact on the grid in systems with power semiconductors
- Describe and do design of converter fed AC- and DC-drives
- Describe and perform simple calculations on systems for power transmission with high voltage direct current
- Be familiar with measurement methods in systems with power semiconductors
- Do simulations of power electronic systems with dedicated software
PART2:
- Give examples of the use and perform simple calculations on power electronic systems used in the transmission of electrical energy.
- Do calculations on snubbers and drive circuits
- Use space vectors and related transformations, and the handling of power and harmonics with space vectors.
- Describe single-phase and three-phase VSC's and how practical problems with respect to the pulse width modulation is solved.
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Prerequisites: (valid for students admitted to programmes within which the course is offered)
Circuit theory, Circuit theory, advanced course, Semiconductor technology, Analog electronics
Note: Admission requirements for non-programme students usually also include admission requirements for the programme and threshhold requirements for progression within the programme, or corresponding.
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Supplementary courses:
CDIO-course
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Organisation:
PART1: Lectures, exercises and laboratory work.
PART 2: Some introductory lectures with excercises followed by work with assignments.
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Course contents:
PART 1:
The three phase system. Electric machines: the DC machine, asynchronous and synchronous (electrically magnetized and permanent magnetized) machines, Single phase and three phase transformers. Power semiconductors and their semiconductor physics. Classification of inverters. Power converters for single and three phase. Converters with inductive load. The need for reactive power. Power calculations. Four-quadrant operation of machines. Commercial inverters and their industrial use. DC-choppers and DC-DC converters. DC Inverters for DC-AC conversion. Multilevel inverters. Resonant converters. Power supply units and uninterruptible power supplies. Dynamic description of switch mode power supplies. Thermal calculations. Thermal resistance and thermal impedance.
Simulation of systems with power electronic semiconductor components.
PART 2:
Space vectors and VSC applications. Transformation between stationary and synchronous coordinate systems. Converter fed DC-drives. Modelling of AC-machines, the inverse gamma model for induction motors, dynamic models for PMSM and reluctance SM. Vector control. Sensorless control. Direct Torque Control. Commercial frequency converters. Power electronic interface between renewable energy sources and the electric grid. Transmission of electric power with high voltage current. HVDC-Classic, VSC-HVDC, FACTS and SVC-equipment. Protective circuits, snubbers. Drivers
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Course literature:
PART1: Mohan, Undeland, Robbins; Power Electronics; Prentice �?" Hall. Additional material
PART2: Mohan, Undeland, Robbins: Power Electronics. Wiley. L. Harnefors, M. Hinkkanen, J. Luomi; Control of Power Electronic Converters and Variable Speed Drives (compendium); papers and additional material.
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Examination: |
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Written examination
Laboratory work
Hand-in assignments
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4 ECTS
2 ECTS
2 ECTS
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The project work includes a written project report and oral presentation. opposition on another project work and compulsory attendance during all project meetings and presentations. |
Course language is Swedish/English.
Department offering the course: ITN.
Director of Studies: Adriana Serban
Examiner: Kjell Karlsson
Link to the course homepage at the department
Course Syllabus in Swedish
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