Results 21 to 30 of about 1,532 (256)
New Approaches to Circulating Current Controllers for Modular Multilevel Converters
Energies, 2017 In the next years, modular multilevel converters (MMCs) are going to be a next generation multilevel converters for medium to high voltage conversion applications, such as medium voltage motor drives, medium voltage flexible AC transmission systems ...
Miguel Moranchel +3 more
doaj +1 more source
Energy Reports, 2023 Selective harmonic elimination pulse-width modulation (SHE-PWM) method has been widely used in various industrial multilevel converters befitting from low switching frequencies and precise elimination of low-order harmonics.
Junfeng Yang +4 more
doaj +1 more source
An Overview of Applications of the Modular Multilevel Matrix Converter
Energies, 2020 The modular multilevel matrix converter is a relatively new power converter topology suitable for high-power alternating current (AC)-to-AC applications.
Matias Diaz +7 more
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System Level Real-Time Simulation and Hardware-in-the-Loop Testing of MMCs
Energies, 2021 In this paper we present an approach for real-time simulation and Hardware-in-the-Loop (HIL) testing of Modular Multilevel Converters (MMCs) that rely on switching models while supporting system level analysis.
Michele Difronzo +4 more
doaj +1 more source
Control of AC/DC Modular Multilevel Converter
Elektronika ir Elektrotechnika, 2018 In recent years, a special attention is paid to grid connected multilevel converters. These converters have specific use in industry in a high power, medium-voltage and high-voltage applications. This paper presents new control algorithm for single-phase
Vojtech Blahnik +3 more
doaj +1 more source
Study of the Modulation Schemes in the Hybrid Three-Phase Multilevel Inverter
Eletrônica de Potência, 2017 This work proposes and analyzes modulation strategies for a hybrid three- phase multilevel inverter, which employs two different topologies in a cascade connection, a three-phase Neutral Point Clamped (NPC) converter and single- phase half-bridge ...
Marcos Vinicius Bressan +2 more
doaj +1 more source
Application of Simplified Neutral Point Clamped Multilevel Converter in a Small Wind Turbine
Electrical, Control and Communication Engineering, 2014 In low power distributed generation systems low cost together with the energy quality requirements are a key element. It is known that quality of voltage waveforms generated from multilevel converters is better in comparison with those from two-level ...
Mlodzikowski Pawel +2 more
doaj +1 more source
Neighborhood Socioeconomic Status and Short‐Term Functional Outcomes in Systemic Lupus Erythematosus
Arthritis Care &Research, EarlyView.Objective Individuals with systemic lupus erythematosus (SLE) can accumulate functional status (FS) impairment. We evaluated the association between neighborhood socioeconomic disadvantage, as measured by the Area Deprivation Index (ADI), and FS in a national SLE sample.
Baljeet Rai +7 more
wiley +1 more source
Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying
Advanced Engineering Materials, EarlyView.An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara +8 more
wiley +1 more source
EnergiesSiC-based medium/high voltage converters face complex operating conditions and extremely severe electromagnetic-thermal coupling impact, which puts strict requirements on their safety and reliability.
Kai Xiao +6 more
doaj +1 more source