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Space-vector pulsewidth modulation for a seven-level cascaded H-bridge inverter with the control of DC-link voltages
Abstract
The control strategy of DC-link voltages for a seven-level Cascaded H-Bridge inverter is proposed in this paper. The DC-link voltage balancing is accomplished by appropriate selection of H-Bridges and control of their duty cycles in Space-Vector Modulation (SVM) algorithm. The proposed SVM method allows to maintain the same voltage level on all inverter capacitors. Regardless of the balancing function, the SVM strategy makes it possible to generate the output voltage vector properly also in the case where the DC-link voltages are not balanced. The results of simulation and experimental investigations are presented in the paper.
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1515/bpasts-2017-0067
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
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Bulletin of the Polish Academy of Sciences-Technical Sciences
no. 65,
pages 619 - 628,
ISSN: 0239-7528 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Lewicki A., Morawiec M.: Space-vector pulsewidth modulation for a seven-level cascaded H-bridge inverter with the control of DC-link voltages// Bulletin of the Polish Academy of Sciences-Technical Sciences. -Vol. 65, iss. 5 (2017), s.619-628
- DOI:
- Digital Object Identifier (open in new tab) 10.1515/bpasts-2017-0067
- Verified by:
- Gdańsk University of Technology
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