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Active damping in series connected power modules with continuous output voltage

  • This paper presents a modular and scalable power electronics concept for motor control with continuous output voltage. In contrast to multilevel concepts, modules with continuous output voltage are connected in series. The continuous output voltage of each module is obtained by using gallium nitride (GaN) high electron motility transistor (HEMT)s as switches inside the modules with a switching frequency in the range between 500 kHz and 1 MHz. Due to this high switching frequency a LC filter is integrated into the module resulting in a continuous output voltage. A main topic of the paper is the active damping of this LC output filter for each module and the analysis of the series connection of the damping behaviour. The results are illustrated with simulations and measurements.

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Metadaten
Author of HS ReutlingenUlmer, Sabrina; Schullerus, Gernot; Sönmez, Ertugrul
URN:urn:nbn:de:bsz:rt2-opus4-35163
DOI:https://doi.org/10.2478/pead-2021-0021
eISSN:2543-4292
Erschienen in:Power electronics and drives
Publisher:De Gruyter Open
Place of publication:Warsaw
Document Type:Journal article
Language:English
Publication year:2021
Tag:GaN; active filter damping; modularity; power electronics; scalability
Volume:6
Issue:41
Page Number:22
First Page:314
Last Page:335
DDC classes:620 Ingenieurwissenschaften und Maschinenbau
Open access?:Ja
Licence (German):License Logo  Creative Commons - CC BY-NC-ND - Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International