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Titel:

Enhancing the Cell Impedance Estimation of a Lithium-Ion Battery System with Embedded Power Path Switches

Dokumenttyp:
Konferenzbeitrag
Art des Konferenzbeitrags:
Textbeitrag / Aufsatz
Autor(en):
Bernhard Liebhart; Simon Diehl; Dominik Schneider; Christian Endisch; Ralph Kennel
Abstract:
Estimating the impedance of lithium-ion cells is of increasing interest, especially on-board electric vehicles to enlarge their diagnostic capabilities. Therefore, an innovative approach for cell impedance measurements is presented in the context of intelligent battery management systems. Hereby, the load current excitation injected by the electric powertrain is switched by power MOSFETs. This quasi-active impedance spectroscopy can be performed with a reconfigurable battery system to shape the...     »
Kongress- / Buchtitel:
Proceedings of the 2021 IEEE Applied Power Electronics Conference and Exposition (APEC)
Datum der Konferenz:
14-17 June 2021
Verlag / Institution:
IEEE
Publikationsdatum:
21.07.2021
Jahr:
2021
Quartal:
3. Quartal
Jahr / Monat:
2021-07
Monat:
Jul
Print-ISBN:
978-1-7281-8950-5
E-ISBN:
978-1-7281-8949-9
Serien-ISSN:
2470-6647
Reviewed:
ja
Sprache:
en
Volltext / DOI:
doi:10.1109/APEC42165.2021.9487173
Semester:
SS 21
TUM Einrichtung:
Lehrstuhl für Elektrische Antriebssysteme und Leistungselektronik
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