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Investigation of Shifted PWM Methods for a Dual Three-Phase System to Reduce Capacitor RMS Current
- Mild hybrid automotive topologies containing a 48V high power (>15 kW) electric drive system demand a high integration of power electronics and electrical machine. A multi-phase motor winding topology helps to keep the per-phase operating currents to a reasonable level. Close integration and multi-phase system have led to a drive system with dual 3-phase systems supplied by a common 48V DC-link, which allows to shift PWM patterns for reduction of DC-link capacitor ripple current and size. This paper derives some basic rules for combinations of common PWM methods for dual 3-phase systems without magnetic cross-coupling. Experimental measurements verify simulated results.
Author: | Bernhard Hopfensperger, Andreas Daubner, Fabian Herrmann, Andrew Hopkins, Phil Mellor |
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URL / DOI: | https://ieeexplore.ieee.org/document/9177989 |
ISBN: | 978-3-8007-5245-4 |
Parent Title (English): | PCIM Europe Digital Days 2020: International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management: 07.-08.07.2020, Online [proceedings] |
Publisher: | VDE-Verlag |
Place of publication: | Berlin, Offenbach |
Document Type: | conference proceeding (article) |
Language: | English |
Year of first Publication: | 2020 |
Release Date: | 2022/05/17 |
Tag: | dual three phase system |
GND Keyword: | Elektroantrieb |
First Page: | 124 |
Last Page: | 131 |
Institutes: | Fakultät Elektro- und Informationstechnik |
Fakultät Elektro- und Informationstechnik / Labor Elektrische Maschinen und Antriebstechnik | |
Begutachtungsstatus: | peer-reviewed |
research focus: | Energie und Mobilität |
Licence (German): | Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG |