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Ström- och temperaturkontroll
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
2012 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Current and Temperature Control (English)
Abstract [en]

Storing kinetic energy in a flywheel allows for more efficient driving of electricvehicles. Research in this area is in progress at Uppsala University, where a flywheelwith magnetic bearings encased in a vacuum chamber is being constructed. To makethis possible methods for measuring the current through the electromagnets in thebearings and temperatures in the flywheel need to be developed. This has been thepurpose of this report. The current measurement resulted in a resistive method, andthe implementation of eight measurement circuits in the system. A circuit board foramplifying the measuring signals were constructed. The temperature measurementresulted in IR sensors for non-contact measurement and thermocouples for the fixedmeasuring points. Two circuit boards were constructed for amplification of themeasuring signals. Programming of a test program in the graphical programming toolLabVIEW were made for the different systems. Testing of the systems showed goodresults for both the current and temperature measurement.

Place, publisher, year, edition, pages
2012. , 42 p.
Keyword [sv]
strömmätning, termostapel, compactrio
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:uu:diva-181202ISRN: ISRN UTH-INGUTB-EX-E-2012/13-SEOAI: diva2:555348
Educational program
Bachelor Programme in Electrical Engineering
Available from: 2012-09-27 Created: 2012-09-19 Last updated: 2014-12-17Bibliographically approved

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ElectricityDepartment of Engineering Sciences
Electrical Engineering, Electronic Engineering, Information Engineering

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