Defaÿ, François and Llor, Ana-Maria and Fadel, Maurice
Direct control strategy for a four-level three-phase flying-capacitor inverter.
(2010)
IEEE Transactions on Industrial Electronics, 57 (7). 2240-2248. ISSN 0278-0046
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(Document in English)
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Official URL: http://dx.doi.org/10.1109/TIE.2009.2039457
Abstract
A direct predictive control strategy is proposed for a three-phase four-level flying-capacitor (FC) inverter in this paper. The balancing of the FC voltages, a challenge in applications with small capacitors and low switching frequencies, is done without any modulation, simply using tables calculated offline. These allow the realization of fast-dynamics output currents with reduced dv/dt in the output voltages and reduced switching frequencies. Moreover, no interharmonics are created when operating at low switching frequencies and with reference currents containing multiple harmonic components, which is a key feature for active power filters. Simulations and experimental results are presented to demonstrate the excellent performance of the direct control strategy in comparison with a conventional pulsewidth-modulation control technique, mostly for operation at low switching frequencies.
Item Type: | Article |
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Additional Information: | Thanks to IEEE editor. The definitive version is available at http://ieeexplore.ieee.org |
Audience (journal): | International peer-reviewed journal |
Uncontrolled Keywords: | |
Institution: | French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE) Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE) Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE) Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE) |
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Deposited On: | 10 Feb 2011 09:04 |
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