Results 81 to 90 of about 673,416 (205)

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

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

ePoster

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

Pre-charge Control of Modular Multilevel Converter and Its SVG Experiment

Kongzhi Yu Xinxi Jishu, 2013
It mainly introduced the topology and working principles of modular multilevel converter (MMC), put forward a control strategy and sub-module storage capacitor pre-charge strategy of the MMC. In addition, the prototype of SVG was developed.
DENG Ming, WU Qiang, ZHANG Zhixue, TANG Jianzhao, LIU Huadong, TAN Shengwu   +5 more
doaj  

Impact of control algorithm solutions on Modular Multilevel Converters electrical waveforms and losses [PDF]

, 2015
Modular Multilevel Converters (MMC) are becoming increasingly popular with the development of HVDC connection and, in the future, Multi Terminal DC grid.
SAMIMI, Shabab, COLAS, Frédéric, FREYTES, Julian, GUILLAUD, Xavier, BELHAOUANE, Mohamed Moez, GRUSON, François, DELARUE, Philippe, Belhaouane, Moez   +7 more
core  

Internal Energy Balancing Control of a Modular Multilevel Converter as Part of a Hybrid Transformer

IEEE Open Journal of Power Electronics
Hybrid transformers (HTs) can provide voltage and current compensation in the utility grid. HTs include a line-frequency transformer and a converter rated for partial transformer power.
Rui Wang, Maurice G. L. Roes, Henk Huisman, Cornelis G.E. Wijnands   +3 more
doaj   +1 more source

Modeling and Control of Virtual Synchronous Generator Based on MMC-RPC

Kongzhi Yu Xinxi Jishu, 2018
As a typical weak AC system, traction power supply system has some disadvantages such as low inertia and poor resistance to disturbance. MMC-RPC (modular multilevel converter - railway static power conditioner) can control the power quality problems in ...
SONG Pinggang, ZHOU Zhenbang, DONG Hui, WEN Fa   +3 more
doaj