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Abstract
With the recent advances of Silicon Carbide (SiC) power devices and multilevel converter topologies, a combination of them can further push the performance boundaries of electric vehicle (EV) traction inverters while adapting to higher-voltage systems. Prospectively targeting a 1.2 kV dc-link for the next-generation EV powertrain, this paper presents the design and implementation of a 100 kW/1.2 kV three-phase inverter formed by a four-level active neutral point clamped (4L-ANPC) topology and full-SiC power modules. The built converter prototype is the first of its kind (1.2 kV+SiC+4L-ANPC), which is implemented by the commercial half-bridge SiC power modules and enabled by the latest voltage balancing technique based on redundant level modulation. The concept of the converter is validated with a built prototype in a 1 kV/8 kW downscaled rig.
Original language | English |
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Title of host publication | 2021 IEEE Energy Conversion Congress and Exposition (ECCE) |
Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
Number of pages | 9 |
ISBN (Electronic) | 978-1-7281-5135-9 |
ISBN (Print) | 978-1-7281-6128-0 |
DOIs | |
Publication status | Published - 16 Nov 2021 |
Event | 2021 IEEE Energy Conversion Congress and Exposition (ECCE) - Virtual Duration: 10 Oct 2021 → 14 Oct 2021 https://www.ieee-ecce.org/2021/ |
Publication series
Name | IEEE Energy Conversion Congress and Exposition |
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Publisher | IEEE |
ISSN (Print) | 2329-3721 |
ISSN (Electronic) | 2329-3748 |
Conference
Conference | 2021 IEEE Energy Conversion Congress and Exposition (ECCE) |
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Period | 10/10/21 → 14/10/21 |
Internet address |
Keywords
- multilevel converter
- Silicon Carbide
- voltage balancing
- four-level
- electric vehicle
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