Results 11 to 20 of about 14,714 (276)
A Novel Z-Type Self-Balancing Modular Multilevel Converter for Flywheel Driving Applications [PDF]
E3S Web of Conferences, 2021 With the development of flywheel technology, the speed and the voltage level of flywheel continue to increase. The Z-type self-balancing modular multilevel converter can have a wide frequency range at medium voltage and is suitable for flywheel driving ...
Cheng Shuoqi +4 more
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Cyber-Attacks in Modular Multilevel Converters
IEEE Transactions on Power Electronics, 2022 Distributed control of modular multilevel converter (MMC) submodules offers several potential benefits such as flexibility and modularity. In this approach, low-level control tasks, such as capacitor voltage balancing, can be distributed amongst controllers placed in the SMs.
Claudio Burgos-Mellado +6 more
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Direct Arm Energy Control of the Modular Multilevel Matrix Converter
IEEE Access, 2023 Modular multilevel matrix converter is a type of converter used in medium-voltage ac-ac power conversion. Controlling the energy content of the converter arms is a prerequisite for a proper converter operation, and at the same time a challenging control ...
Milan Utvic +2 more
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Modular Multilevel Converters: Control and Applications [PDF]
Energies, 2017 This review article is mainly oriented to the control and applications of modular multilevel converters (MMC). The main topologies of the switching modules are presented, for normal operation and for the elimination of DC faults. Methods to keep the capacitor voltage balanced are included.
Fernando Martinez-Rodrigo +4 more
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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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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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