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Wireless control and measurement system for a hydropower generator with brushless exciter
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity. (Hydropower)
2015 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Hydropower has been around for more than a century and is considered a mature technology, but with recent advancements in power electronics and simulation capability new exciting ways to increase efficiency and reliability is possible. At Uppsala University a brushless exciter has been constructed for the experimental test rig, SVANTE. Power electronics are mounted on the shaft for control of the generator's excitation current. In addition a wireless control and measurement system is needed to provide the desired switching patterns to the power electronics and to evaluate performance of the system.

In this thesis a shaft mounted embedded system for control and measurement is constructed as well as magnetic field sensors with measurement range up to 700mT. The computational power comes from a National Instruments sbRIO-9606. The system has 14 individual totem pole power electronics driving channels, 48 analog input channels for current signals and it communicates wirelessly through a bluetooth connection.

The system is tested and works satisfactory but has not been mounted on the rotating side of the generator due to delays in the manufacturing.

Place, publisher, year, edition, pages
2015. , 64 p.
TVE, 15056
Keyword [en]
brushless exciter, magnetic field measurement, wireless communication, printed circuit board, hydropower
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:uu:diva-255387OAI: diva2:825652
Educational program
Master Programme in Renewable Electricity Production
2015-06-15, Mellanrummet, Ångströmslaboratoriet, Regementsvägen 1, Uppsala, 10:15 (English)
Available from: 2015-06-24 Created: 2015-06-16 Last updated: 2015-06-24Bibliographically approved

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