Articolul precedent |
Articolul urmator |
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SM ISO690:2012 OLESCHUK, Valentin, TÎRŞU, Mihai, VASILIEV, Irina. Multilevel Power Electronic Systems Adjusted by Algorithms of Multi-Zone Space-Vector Modulation: A Survey. In: Conference on Development and Application Systems: DAS 2022, 26-28 mai 2022, Suceava. New Jersey, SUA: Institute of Electrical and Electronics Engineers Inc., 2022, Ediţia a XVI-a, pp. 124-131. ISBN 978-166548162-5. DOI: https://doi.org/10.1109/DAS54948.2022.9786105 |
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Conference on Development and Application Systems Ediţia a XVI-a, 2022 |
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Conferința "16th International Conference on Development and Application Systems" Suceava, Romania, 26-28 mai 2022 | ||||||
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DOI:https://doi.org/10.1109/DAS54948.2022.9786105 | ||||||
Pag. 124-131 | ||||||
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Rezumat | ||||||
This publication provides a brief overview of the results of dissemination of the method of multi-zone space-vector pulse-width modulation (PWM) for the adjustment of inverter-based installations (with low switching frequency of inverters) characterized by multilevel output voltage: a) of split-phase variable speed drives; b) of transport-oriented ac drives with two windings of the stator of electrical machine; c) of three-inverter-based power systems with modular configuration; d) of photovoltaic (PV) systems with twin inverters; e) of five-phase installations with asynchronous machine with open-end winding; f) of six-phase structures with quad inverters, and g) of photovoltaic installations based on triple inverters and transformer of multi-winding configuration. It has been shown that the developed schemes, techniques, and algorithms of multi-zone synchronous PWM (MZS PWM) applied for control of the mentioned above inverter-based systems (with specialized phase-shift between signals of separate inverters) assure synchronization and symmetry of the basic voltage waveforms of installations over the entire control range. It provides minimization of unwanted sub-harmonics (of the operating frequency) in spectral composition of the basic voltages of these installations, leading to reducing of losses in systems and to increasing of its efficiency. |
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Cuvinte-cheie Photovoltaic systems, pulse width modulation inverters, spectral analysis, variable speed drives, Voltage control |
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