Hybrid Overmodulation Strategy of Dual Two-Level Inverter Topology Enabling 12-Step Operation
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F24%3A00371814" target="_blank" >RIV/68407700:21230/24:00371814 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1109/TPEL.2024.3358407" target="_blank" >https://doi.org/10.1109/TPEL.2024.3358407</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/TPEL.2024.3358407" target="_blank" >10.1109/TPEL.2024.3358407</a>
Alternative languages
Result language
angličtina
Original language name
Hybrid Overmodulation Strategy of Dual Two-Level Inverter Topology Enabling 12-Step Operation
Original language description
This paper introduces a novel overmodulation strategy tailored for dual-inverter topologies with galvanically isolated DC-links and evenly distributed DC-link voltage. The core contribution of the paper is the utilization of the multilevel capabilities of the dual-inverter topology. At the maximum modulation index, the presented overmodulation method achieves what is referred to as a 12-step operation. The 12-step operation improves the voltage waveform and offers superior harmonic performance compared to the conventional 6-step operation. The utilized approach leverages a hybrid Space Vector Pulse Width Modulation (SVPWM) method, a well-established technique in two-level inverters, to achieve this extended operation range. Furthermore, the paper presents a nonlinear gain compensation characteristic vital for real-time motor control applications and provides a comparative analysis of the modulation's harmonic performance. The proposed approach is validated through simulations and experiments. The experiments were conducted using a custom inverter based on Gallium-Nitride (GaN) transistors where simple volt/hertz control of an induction motor was programmed. The results of these experiments affirm the strategy's effectiveness, showcasing superior current waveform quality and a smooth transition from linear mode to 12-step operation while keeping a simple implementation of the algorithm.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20201 - Electrical and electronic engineering
Result continuities
Project
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Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
IEEE Transactions on Power Electronics
ISSN
0885-8993
e-ISSN
1941-0107
Volume of the periodical
39
Issue of the periodical within the volume
5
Country of publishing house
US - UNITED STATES
Number of pages
12
Pages from-to
6077-6088
UT code for WoS article
001244501300058
EID of the result in the Scopus database
2-s2.0-85184022202