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Design, Manufacture and Testing of a Magnetically Suspended 0.5 kWh-Flywheel Energy Storage System Using Standard Industrial Components for Cost-Effectiveness

Li, Xing ; Dietz, Daniel ; An, Jeongki ; Erd, Nicolas ; Gemeinder, Yves ; Binder, Andreas (2022)
Design, Manufacture and Testing of a Magnetically Suspended 0.5 kWh-Flywheel Energy Storage System Using Standard Industrial Components for Cost-Effectiveness.
In: IEEE Transactions on Industry Applications, 58 (5)
doi: 10.1109/TIA.2022.3187393
Artikel, Bibliographie

Kurzbeschreibung (Abstract)

This article presents crucial issues regarding the design, manufacture, and testing of a steel rotor for a 0.5-kWh flywheel energy storage system. A prototype was built using standard industrial components. The rotor has a maximum operating speed of 24 000 min −1 and is magnetically suspended. The introduced critical issues regarding the manufacture include the thermal stress during the rotor hardening process, the fixation for the rotor components of the drive machine and the magnetic bearings, etc. The rotor strength was validated by the overspeed testing according to the standard IEC 60034-1 . A rotation of up to 28 800 min −1 (120% of the maximum speed) was realized and maintained for 2 min. The proved rotor was suspended by commercial magnetic bearings in the flywheel system. Despite simple decentralized control, the rotor was successfully driven up to the designed maximum speed. The rotor dynamic behavior is analyzed by analytical calculation, simulation, and measurements. Different eigenmodes are identified. The results prove the possibilities to build and operate a flywheel system using standard industrial components, showing potential for cost-effective designs.

Typ des Eintrags: Artikel
Erschienen: 2022
Autor(en): Li, Xing ; Dietz, Daniel ; An, Jeongki ; Erd, Nicolas ; Gemeinder, Yves ; Binder, Andreas
Art des Eintrags: Bibliographie
Titel: Design, Manufacture and Testing of a Magnetically Suspended 0.5 kWh-Flywheel Energy Storage System Using Standard Industrial Components for Cost-Effectiveness
Sprache: Englisch
Publikationsjahr: 2 November 2022
Verlag: IEEE
Titel der Zeitschrift, Zeitung oder Schriftenreihe: IEEE Transactions on Industry Applications
Jahrgang/Volume einer Zeitschrift: 58
(Heft-)Nummer: 5
DOI: 10.1109/TIA.2022.3187393
Kurzbeschreibung (Abstract):

This article presents crucial issues regarding the design, manufacture, and testing of a steel rotor for a 0.5-kWh flywheel energy storage system. A prototype was built using standard industrial components. The rotor has a maximum operating speed of 24 000 min −1 and is magnetically suspended. The introduced critical issues regarding the manufacture include the thermal stress during the rotor hardening process, the fixation for the rotor components of the drive machine and the magnetic bearings, etc. The rotor strength was validated by the overspeed testing according to the standard IEC 60034-1 . A rotation of up to 28 800 min −1 (120% of the maximum speed) was realized and maintained for 2 min. The proved rotor was suspended by commercial magnetic bearings in the flywheel system. Despite simple decentralized control, the rotor was successfully driven up to the designed maximum speed. The rotor dynamic behavior is analyzed by analytical calculation, simulation, and measurements. Different eigenmodes are identified. The results prove the possibilities to build and operate a flywheel system using standard industrial components, showing potential for cost-effective designs.

Fachbereich(e)/-gebiet(e): 18 Fachbereich Elektrotechnik und Informationstechnik
18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Elektrische Energiewandlung > Elektrische Energiewandlung
18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Elektrische Energiewandlung
Hinterlegungsdatum: 07 Nov 2022 11:06
Letzte Änderung: 07 Feb 2023 10:43
PPN: 504390147
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