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Koncepttest av Mikroskalig Vattenkraft: Kraftelektronik och varvtalsstyrning
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
2017 (Swedish)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This project describes the design and assembly of the power electronic and control system for variable speed control of a micro scale hydro power station in Sweden. The turbine is a new type of integrated turbine-generator unit, called Turbo, designed by prof. Urban Lundin at Uppsala University. Power electronic components was dimensioned, purchased and assembled.

The projects purpose is to create an installation for testing and evaluation of Turbo and the main goal was to determine Turbos optimal rotational speed.

A commercial 20 kW solar power inverter from Fronius was used and it was controlled using LabVIEW and communicating through the serial protocol Modbus. To control the rotational speed of the generator a PI-regulator with negative feedback was used and controlled from LabVIEW. Test results shows a functioning system where the inverter is to slow to work in an optimal way. This is likely due to the fact that solar power inverters doesn't have to regulate as fast as inverters designed for hydro- and windpower.

When testing the integrated turbine generator on site it didn't rotate and final tests could therefore not be completed. This might be because of a bearing that is not properly designed and further research on the area must therefore be completed before determining the optimal rotational speed.

Place, publisher, year, edition, pages
2017.
Series
UPTEC ES, ISSN 1650-8300 ; 17 035
National Category
Control Engineering Energy Engineering
Identifiers
URN: urn:nbn:se:uu:diva-328020OAI: oai:DiVA.org:uu-328020DiVA, id: diva2:1133435
Educational program
Master Programme in Energy Systems Engineering
Supervisors
Examiners
Available from: 2017-10-18 Created: 2017-08-15 Last updated: 2017-10-18Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • de-DE
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Output format
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