Results 11 to 20 of about 14,500 (284)
Novel Enhanced Modular Multilevel Converter for High-Voltage Direct Current Transmission Systems
Energies, 2020 This paper proposes an enhanced modular multilevel converter as an alternative to the conventional half-bridge modular multilevel converter that employs a reduced number of medium-voltage cells, with the aim of improving waveforms quality in its AC and ...
Dimitrios Vozikis +3 more
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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
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Modular Multilevel Converter DC Fault Protection [PDF]
IEEE Transactions on Power Delivery, 2018 High voltage direct current grids will require the development of dc protections that provide fast fault isolation and minimize the disturbance caused to the existing ac power networks. This paper investigates how the dc fault recovery performance of a half-bridge modular multilevel converter (HB-MMC) is impacted by different dc protection design ...
Cwikowski, O +6 more
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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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Energies, 2022 For medium and high-powered applications, modular multilevel converters have become the most promising converter application. In this paper, a sliding mode controller based on an RBF neural network is proposed for a modular multilevel converter.
Xuhong Yang, Haoxu Fang
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Zhejiang dianli, 2022 As a new transmission mode， fractional frequency transmission has increasingly prominent advantages in the field of renewable energy， especially in offshore wind power.
DUAN Ziyue +5 more
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A multilevel modular DC–DC converter topology [PDF]
Mathematics and Computers in Simulation, 2017 A multilevel modular DC-DC power conversion topology based on cascaded H-Bridge converters in a double П configuration is presented. The topology is intended to interconnect large power DC networks. A two level control hierarchy is used to regulate the DC voltage of each H-bridge module.
Ricardo Vidal +7 more
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IEEE Access, 2021 The integration of a Z-source network with a modular multilevel converter (MMC) to provide voltage step-up function is proposed in this paper. The proposed Z-source modular multilevel converter (ZS-MMC) uses a Z-source network connected between the DC ...
Fatma A. Khera +2 more
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An Overview of Modelling Techniques and Control Strategies for Modular Multilevel Matrix Converters
Energies, 2020 The Modular Multilevel Matrix Converter is a relatively new power converter topology appropriate for high-power Alternating Current (AC) to AC purposes. Several publications in the literature have highlighted the converter capabilities such as modularity,
Matias Diaz +7 more
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Research on fault characteristic of modular multilevel converter
Energy Reports, 2022 Along with China proposes to build a new energy power system, various DC transmission technologies have been extensively studied. As the most serious fault type of the DC transmission system, permanent DC bipolar short-circuited fault is easy to cause ...
Changwu Hou +3 more
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