Results 11 to 20 of about 17,156 (263)
IEEE Transactions on Power Electronics, 2019 In this letter, a phase-shifted square wave modulation strategy is proposed for modular multilevel converters (MMCs) as well as dc transformers for medium-voltage applications.
Ran Mo, Hui Li, Yanjun Shi
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Optimal Design and Control of MMC STATCOM for Improving Power Quality Indicators
Applied Sciences, 2020 In recent years, modular multilevel converters (MMC) are becoming popular in the distribution and transmission of electrical systems. The multilevel converter suffers from circulating current within the converter that increases the conduction loss of ...
Ahmed A. Zaki Diab +4 more
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Frontiers in Energy Research, 2022 This study presents a strategy to reduce the capacitance of the submodule (SM) capacitor of a modular multilevel converter-based medium-voltage wind power converter. The design of the SM capacitor of the modular multilevel converter (MMC) should consider
Jianhang Qian +4 more
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Sukkur IBA Journal of Emerging Technologies, 2021 The research paper presents the control strategy to reduce THD (Total Harmonic Distortions) losses by the implementation of the Nearest Level Modulation control technique in a Modular Multilevel Converter. Modular Multilevel Converter is found one of the
engr Baqir Ali Shah +4 more
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A centralized local energy storage modular multilevel converter
Frontiers in Energy Research, 2022 The energy storage modular multilevel converter (MMC-ES) has been widely studied for its excellent performance in solving the problems of power difference, voltage fluctuation and effective improvement of power quality in the grid caused by the ...
Ning Li +5 more
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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
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Modeling and enhanced control of hybrid full bridge–half bridge MMCs for HVDC grid studies [PDF]
, 2020 Modular multilevel converters (MMCs) are expected to play an important role in future high voltage direct current (HVDC) grids. Moreover, advanced MMC topologies may include various submodule (SM) types. In this sense, the modeling of MMCs is paramount
Forner, Jaume, Vidal-Albalate, Ricardo
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Design of internal dynamics based MMC controller for HVDC transmission
Energy Conversion and Economics, 2020 Currently, the modular multilevel converter (MMC) is the most advanced voltage source converter topology. Because the MMC is a converter topology, the most common approach for controller design is considering the conventional converter model to design ...
Ankit Yadav +2 more
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A hybrid arm‐multiplexing MMC for DC fault ride‐through without blocking
IET Renewable Power Generation, 2023 Considering both the DC fault ride‐through (FRT) and lightweight requirements of modular multilevel converter (MMC), this paper proposes a hybrid arm‐multiplexing modular multilevel converter (HAM‐MMC).
Yi Wang, Yuwei Li, Chen Wang, Jianye Tao
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Energies, 2022 Power angle stability of power systems is one of the main factors which restricts the power transmission capacity. In order to prevent the power angle instability of power systems, phase sequence exchange (PSE) is a recently developed emergency control ...
Peng Dong +6 more
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