Supercritical Carbon Dioxide (sCO<sub>2</sub>)-Cooled Current Source Inverter-based Integrated Motor Drive for MW-scale Electric Aviation Applications
Wide-bandgap enabled current-source inverter (CSI) is a promising power converter topology that has cleaner output voltage waveform, higher fault tolerance, and higher temperature operation capability than conventional voltage-source inverters (VSI). This paper presents a WBG-enabled CSI for a 2-MW integrated motor drive (IMD) for electric aviation application. The CSI system consists of two series-connected CSI that forms as a unit, and three such units are connected in parallel to drive a specially designed surface permanent magnet synchronous motor (PMSM) that has six individual groups of three-phase windings. Furthermore, the CSI’s dc-link inductor and power modules are cooled with supercritical carbon dioxide (sCO2), and also cools the integrated PMSM’s stator windings. The proposed CSI-based MW-scale IMD achieves an estimated 97.3% efficiency and 18.1 kW/kg power density. Its high-power density and promising fault-tolerance characteristics make it a competitive solution for MW-scale electric aviation applications.
Authors
- Wenda Feng
- Thomas M. Jahns (ORCID: https://orcid.org/0000-0002-6952-4123)
- J. Yagielski
- Bulent Sarlioglu (ORCID: https://orcid.org/0000-0003-3327-3606)
- Vandana Rallabandi (ORCID: https://orcid.org/0000-0002-9738-4551)
- Tarak Saha (ORCID: https://orcid.org/0000-0003-0398-1257)
- Hang Dai (ORCID: https://orcid.org/0000-0002-7609-0124)
- Wang Libing
- Kum‐Kang Huh
Institutions
- Oak Ridge National Laboratory (US)
- University of Wisconsin–Madison (US)
Publication Details
- Published
- 2025-03-16
- DOI
- https://doi.org/10.1109/apec48143.2025.10977553
- Primary Topic
- Catalytic Processes in Materials Science
- Type
- article
- Field-Weighted Citation Impact
- 0.00