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Modified hybrid symmetrical multilevel inverter
2012 Twenty-Seventh Annual IEEE Applied Power Electronics Conference and Exposition (APEC), 2012Even more the needs of efficiency and productivity are required in industrial processes. Medium and high voltage inverter topologies are used in high scale industrial processes to achieve these goals. This work presents two variants of a modified hybrid symmetrical multilevel inverter topology based in [8] using Half Bridge commutation cells, proper to
Daniel Korbes +2 more
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Control of novel multilevel inverter
2015 IEEE Students Conference on Engineering and Systems (SCES), 2015The focus of this paper is to develop and implement the new topology of multilevel inverter and study its performance The developed new MLI topology uses less number of switches and hence it is simple in control, cost effective and efficient. The proposed model is designed for 11-level and a prototype laboratory model is implemented.
Manuj Rai, Ramesh Kumar Tripathi
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Multilevel inverter as var-compensator
2013 IEEE XXXIII International Scientific Conference Electronics and Nanotechnology (ELNANO), 2013Multilevel inverter consists of base cells that have the same structure as active power line conditioner. This allows to use the inverter cells as the VAR-compensator in uninterruptible power supply systems. The advantage of this system is increasing the allowable current range that can be correctly compensated.
Vladimir Bezhenar +3 more
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Optimizing losses in multilevel inverters
IEEE 2002 28th Annual Conference of the Industrial Electronics Society. IECON 02, 2003Losses generation in a multilevel inverter leg are analyzed in this paper for N=2, 3, 4, and 5 levels. An N-level inverter is modeled as the superposition of N-1 elementary buck converters to simplify the losses analysis. The results of the analysis show that the efficiency of a multilevel inverter can increase when the number of levels increases if an
H. Valderrama-Blavi +4 more
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2016
There are two hotly researched Z-source/quasi-Z-source (ZS/qZS) multilevel inverters: the ZS/qZS neutral-point-clamped (NPC) inverter and ZS/qZS cascaded multilevel inverter (CMI). The ZS/qZS concept, integrating with those traditional multilevel inverters, inherits the merits of both topologies with improved inverter reliability due to short-circuit ...
Loh, Poh Chiang +3 more
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There are two hotly researched Z-source/quasi-Z-source (ZS/qZS) multilevel inverters: the ZS/qZS neutral-point-clamped (NPC) inverter and ZS/qZS cascaded multilevel inverter (CMI). The ZS/qZS concept, integrating with those traditional multilevel inverters, inherits the merits of both topologies with improved inverter reliability due to short-circuit ...
Loh, Poh Chiang +3 more
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Switched-boost-based multilevel inverters
Multilevel voltage source inverters/converters (ML-VSIs) with an integrated voltage-boosting feature have been popular in recent years as an interface between the provided low-magnitude DC voltage and standard 220V rms grid voltage. The voltage-boosting feature is achieved with an integrated switched-capacitor (SC) or a switched-boost (SB) technique ...Reza Barzegarkhoo +4 more
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Asymmetrical Multilevel Inverter Topology
2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2022Anilkumar Chappa +3 more
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Multilevel vs Two-Level Inverters
2019The multilevel inverter structure permits to generate smoother output waveform by producing different voltage levels while operating at lower switching frequency which leads to lower power losses in the power inverter and reduce the output filter size.
Hani Vahedi, Mohamed Trabelsi
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INVERTERS AND MULTILEVEL INVERTERS FOR POWER ELECTRONICS SYSTEMS
ShodhKosh: Journal of Visual and Performing ArtsMultilevel inverters (MLIs) have emerged as a crucial technology in power electronics, offering enhanced performance in high-power and medium-voltage applications. Unlike conventional two-level inverters, MLIs generate stepped voltage waveforms that improve power quality, reduce harmonic distortion, and minimize voltage stress on power semiconductor ...
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