Results 61 to 70 of about 984 (180)

Cluster-Fault Control Strategies for Modular Multilevel Converters (MMC)

Modular-Multilevel-Cascade Converters are the preferable choice for high-voltage and high-power applications. The price of simple scalability, modularity, and flexibility is paid by a large number of components, especially semiconductors and capacitors.
Oliver Kalmbach, Christoph M. Hackl
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Measurement and Analysis of Radiated Disturbance Characteristics of ±320 kV Modular Multilevel Converter System

IEEE Access, 2019
The radiated electromagnetic disturbance was evaluated by measuring the electric field intensity in a bandwidth of 10 kHz-2.75 GHz near the valve hall, direct-current (DC) area, reactor room, and transformers in a ±320-kV modular multilevel ...
Jian Zhang, Tiebing Lu, Weidong zhang, Jun Xu, Wenqi Li   +4 more
doaj   +1 more source

Tecnología modular multilevel converter (MMC) en sistemas HVdc

, 2020
Medellín
Hoyos, Sebastián, González, Jorge W., Cardona, Hugo A., Isaac, Idi A., López, Gabriel J.   +4 more
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Research on Lyapunov control strategy of MMC-UPFC based on unbalanced grid in novel power system

Diance yu yibiao
Aiming at the power flow tracking performance optimization problem of modular multilevel converter (MMC)-unified power flow converter (UPFC) in novel power system, a Lyapunov nonlinear control strategy of MMC-UPFC under unbalanced grid is proposed in ...
YE Ying, XU Bingyan, LIU Zhongping, CHENG Qiming, TANG Bo   +4 more
doaj   +1 more source

Comprehensive understanding of DC pole-to-pole fault and its protection for modular multilevel converters

High Voltage, 2018
A modular multilevel converter (MMC) is one of the promising voltage source converter topologies in the field of high-voltage direct current (HVDC) transmission.
Xiaofeng Yang, Yao Xue, Yao Xue, Piao Wen, Zejie Li   +4 more
doaj   +1 more source

Multi-terminal Heterogeneous Generalized Impedance Modeling and Analysis of MMC-MTDC Transmission Systems

Zhongguo dianli
The prominent risks of broadband oscillation among renewable energy, modular multilevel converter-based multi-terminal high voltage direct current (MMC-MTDC) and AC grid severely constrain the safe and stable operation and efficient accommodation of ...
Guoliang ZHOU, Liping GAO, Yanqiao LIANG, Wenjin LI, Xin WANG   +4 more
doaj   +1 more source

ePoster

European Journal of Neurology, Volume 33, Issue S1, June 2026.
wiley   +1 more source

Multi-Degree-of-Freedom Control Framework for HVDC Transmission Converters

CSEE Journal of Power and Energy Systems
This paper systematically investigates the multi-degree-of-freedom (multi-DoF) control framework of high voltage direct current (HVDC) converters based on their topological characteristics and control requirements.
Haobo Zhang, Jinyu Wen, Wang Xiang, Weixing Lin, Meng Zhou, Wenping Zuo, Shijie Cheng   +6 more
doaj   +1 more source

Reliability evaluation of MMC system considering working conditions

The Journal of Engineering, 2018
The reliability is a key issue of the high-voltage high-power modular multilevel converter (MMC) system due to the usage of fragile insulated gate bipolar transistor (IGBT) modules. In this study, it is proposed that the reliability of the MMC system can
Tao Zheng, Meng Huang, Lingyi Zhu, Xiaoming Zha   +3 more
doaj   +1 more source

Hybrid modular multilevel converter (MMC) applications under over-modulation [PDF]

, 2022
The Modular Multilevel Converter (MMC) has become a prominent converter topology due to its several advantages: high modularity, high scalability, low harmonic distortion, and high efficiency. In particular, due to its modular structure, it is possible to increase its voltage rating by stacking extra cells. The MMC has been successfully applied to high
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