Results 31 to 40 of about 20,786 (207)
Power Quality Enhancement in Electricity Grids with Wind Energy Using Multicell Converters and Energy Storage [PDF]
, 2019 In recent years, the wind power industry is experiencing a rapid growth and more wind farms with larger size wind turbines are being connected to the power system.
Allali, Ahmed +5 more
core +2 more sources
Modular multilevel converter with modified half-bridge submodule and arm filter for dc transmission systems with DC fault blocking capability [PDF]
, 2018 Although a modular multilevel converter (MMC) is universally accepted as a suitable converter topology for the high voltage dc transmission systems, its dc fault ride performance requires substantial improvement in order to be used in critical ...
Abdelsalam, Ibrahim A. +3 more
core +2 more sources
Applied Sciences, 2021 With the rapid development of modern energy applications such as renewable energy, PV systems, electric vehicles, and smart grids, DC-DC converters have become the key component to meet strict industrial demands. More advanced converters are effective in
Salah Alatai +6 more
doaj +1 more source
On the Partitioning of MMC Control Systems Using Graph Theory
IEEE Open Journal of Power Electronics, 2022 Control systems of modular multilevel converters can be partitioned into several levels. Such partitioning is becoming relevant in multi-vendor high-voltage direct-current systems where one party may deliver the converter hardware and associated control,
Ilka Jahn +5 more
doaj +1 more source
Modular Multilevel Converters [PDF]
IEEE Transactions on Industrial Electronics, 2019 The papers in this special section focus on the latest achievements on MMCs regarding the development of new circuit topologies, modeling, operation, and fault analysis. Modular multilevel converters (MMCs) have emerged as an attractive solution for high-voltage high-power applications, such as high-voltage direct current (HVdc) transmission systems ...
Josep Pou +2 more
openaire +1 more source
Automatika, 2023 An Innovative Modular multilevel matrix converter (M3C) is proposed with reduced number of switching device owing to the improved efficiency, reduced cost and minimizes the size.
V. Karpagam, N. Narmadhai
doaj +1 more source
Direct control strategy for a four-level three-phase flying-capacitor inverter [PDF]
, 2010 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
Defaÿ, François +2 more
core +1 more source
Efficiency Performance of 7-Level Multiplexed and 3-Level Neutral Point Clamped (NPC) Converters
EnergiesIn medium-voltage AC applications, multilevel converters are essential due to their ability to achieve high efficiency and significantly reduce total harmonic distortion (THD), ensuring improved performance and power quality.
Shafquat Hussain +5 more
doaj +1 more source
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