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Mechanical Design Guidelines of an Electric Vehicle Powertrain
(Lappeenranta-Lahti University of Technology LUT, 2019-02-01)
The tendency of alternating fossil energy sources with state-of-the-art renewable energy resources is spreading in most contemporary fuel consuming applications, and transportation, as one of the essential human needs, is ...
Technology analysis of magnetically supported rotors applied to a centrifugal compressor of a high-temperature heat pump
(Lappeenranta-Lahti University of Technology LUT, 2022-05-13)
Despite decades of development of high-speed motors, challenges and limitations concerning high-speed powertrains and motors in industrial applications remain. Improved reliability and a smaller footprint together with ...
Energy efficient hydrogen production by water electrolysis
(Lappeenranta-Lahti University of Technology LUT, 2020-02-28)
Hydrogen is the most abundant element in the universe. On Earth, it not only forms water molecules, but also commonly combines with carbon into hydrocarbons that power the current world economy. The use of these natural ...
Analysis of theory and methodology used in determination of electric motor drive system losses and efficiency
(Lappeenranta-Lahti University of Technology LUT, 2021-04-23)
This research is divided into two main parts: loss determination of motors, converters, and motor drive systems and determination of measurement uncertainty. With its accurate measurements and data analysis, the work ...