Results 61 to 70 of about 176 (97)
A Low Inrush Current Pre-Charging Strategy of M3C with Improved Nearest Level Modulation
EnergiesThe modular multilevel matrix converter (M3C) can perform AC/AC conversion directly. However, M3C operation often requires a pre-charging process, which can be challenging due to the need for fast pre-charging with low inrush current.
Rufei He +6 more
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Shanghai Jiaotong Daxue xuebaoModular multilevel matrix converter (M3C) is the core device of the fractional frequency transmission system. Due to the lack of direct current link, the electrical quantities of different frequencies are directly coupled inside the M3C, resulting in a ...
JIANG Yafeng, LI Yibo, WU Qiuwei, LIU Shenquan, WU Xiaodan, ZHOU Qian
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Control Strategy for Improving Active Frequency Support Capability of Offshore Wind Farm
Shanghai Jiaotong Daxue xuebaoIn low frequency alternating current (AC) transmission systems, offshore wind farm is unable to respond to changes in onshore grid frequency in a timely manner due to frequency decoupling and signal transmission delays between the offshore wind power ...
LI Yibo, ZHOU Qian, ZHU Dandan, JIANG Yafeng, WU Qiuwei, CHEN Jian
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Soft Open Point in Distribution Networks [PDF]
, 2020 The main objective of this article is to present a comprehensive review of soft open point (SOP), an emerging power electronics technology to maximize future distribution networks’ (DNs) resiliency and flexibility as well as increase hosting capacity for
Fuad, Khaled Syfullah +3 more
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International Journal of Electrical Power & Energy SystemsThe Modular Multilevel Matrix Converter (M3C) has emerged as a promising solution for high-power fractional frequency transmission systems (FFTS), offering superior modularity and flexible control capabilities. However, conventional proportional-integral
Wei Luo, Yuchen Ma, Zhe Li, Yunqiao Shen
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Control of the modular multilevel matrix converter for wind energy conversion systems [PDF]
, 2017 The nominal power of single Wind Energy Conversion Systems has been steadily growing, reaching power ratings close to 10 MW. In the power conversion stage, medium-voltage power converters are replacing the conventional low-voltage back-to-back topology ...
Diaz, Matias
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Systemanalyse und Regelung des Modularen Multilevel Matrix Umrichters als Antriebsumrichter [PDF]
, 2016 In der vorliegenden Arbeit wird eine neuartige transformierte Netzwerk- und Zweigleistungsanalyse für den Modularen Multilevel Matrix Umrichter (M3C) vorgestellt und in ein universelles, ganzheitliches und von der Zellenzahl pro Zweig unabhängiges ...
Kammerer, Felix
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The application of the modular multilevel matrix converter in high-power wind turbines [PDF]
The trend in wind turbines has shown an ongoing power rating growth, reaching sizes up to 10 MW. Multilevel converters have therefore become a favourable solution for Multi-MW Wind Energy Conversion Systems (WECSs), due to high efficiency, reliability ...
Cardenas, Roberto +4 more
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Modulated Model Predictive Control for Modular Multilevel AC/AC Converter [PDF]
, 2019 Modular multilevel converter (MMC) is very popular in high power applications due to its attractive characteristics. The full bridge-based MMC featuring three-phase to single-phase direct ac/ac conversion is a potential solution for ac power supply (ACPS)
Guerrero, Josep M. +5 more
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A generalized approach to the analysis and control of modular multilevel converters [PDF]
, 2017 A general method to derive the control strategy for arbitrary modular multilevel topologies is presented. The number of internal currents is derived from the topology.
Hiller, Marc, Himmelmann, Patrick
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