Results 121 to 130 of about 17,156 (263)

Review of the Configuration and Transient Stability of Large-Scale Renewable Energy Generation Through Hybrid DC Transmission

CES Transactions on Electrical Machines and Systems
Based on the complementary advantages of Line Commutated Converter (LCC) and Modular Multilevel Converter (MMC) in power grid applications, there are two types of hybrid DC system topologies: one is the parallel connection of LCC converter stations and ...
Xinshou Tian, Yongning Chi, Longxue Li, Hongzhi Liu   +3 more
doaj   +1 more source

High-voltage Inverter System Based on MMC Technology

Kongzhi Yu Xinxi Jishu, 2012
This paper introduces topologies and principles of the current popular high-voltage converter system, analyzes the principles of MMC (Modular Multilevel Converter).
LI Xinghe, CAI Xinbo, SHI Yingliang, MENG Qingxu, SONG Jibo, JIN Xinhai   +5 more
doaj  

Research on Overcurrent in Offshore MMC and Suppression Strategies Based on Field–Circuit Coupling Analysis

Applied Sciences
Due to system failures and the limited overcurrent capability of semiconductor devices, overcurrent in modular multilevel converters (MMC) is a key factor affecting the safe and stable operation of offshore wind power MMC-HVDC (modular multilevel ...
Jun Zhang, Shuhong Wang, Youpeng Huangfu, Ruting Tang   +3 more
doaj   +1 more source

Research on a small-signal stability criterion for MMC controller

Zhejiang dianli
High voltage direct current （HVDC） transmission based on modular multilevel converter （MMC） is widely used in large-scale renewable energy delivery. However， the lagged inertia of MMC controllers may undermine the small-signal stability.
WU Shuangxi, LIU Yang, ZHU Yu, WANG Shan, ZHENG Le   +4 more
doaj   +1 more source

A Control Strategy for Ground Fault on the AC Side of MMC-HVDC System. [PDF]

Comput Intell Neurosci, 2022
Li H, Guo L.
europepmc   +1 more source

Staircase Matrix Modulation for the Switched-Capacitor Modular Multilevel Converter With Sensor-Less Capacitor Voltage Balancing

IEEE Open Journal of Power Electronics
Staircase modulation is a switching technique ubiquitous in multilevel inverters utilizing large number of output voltage levels. With tens of levels, the output of a multilevel inverter employing staircase modulation approaches a sinusoid without ...
Rami F. Yehia, Zhehui Guo, Hui Li, Fang Z. Peng   +3 more
doaj   +1 more source

Small-Signal Stability Analysis and MOSMA-Based Optimization Control Strategy of OWF with MMC-HVDC Grid Connection. [PDF]

Sensors (Basel), 2023
Zheng J, Li H, Zhang B, Li Q.
europepmc   +1 more source

Detailed quantitative comparison of half-bridge modular multilevel converter modelling methods [PDF]

, 2018
This paper presents a detailed comparison of different modelling methods of the half-bridge modular multilevel converter (HB-MMC), namely, switching function, Thevenin equivalent and averaged, considering both MMC implementations (large and reduced ...
Adam, G.P., Audichya, Yash, Burt, Graeme, Emhemed, Abdullah, Guo, Deyang, Rahman, M.H., Xu, Lie   +6 more
core  

Tecnología modular multilevel converter (MMC) en sistemas HVDC

, 2017
En este trabajo de grado se presenta una caracterización de la tecnología de punta que se está utilizando actualmente en los sistemas de transmisión HVDC. Ésta se conoce como tecnología MMC (Modular Multilevel Converter) y proporciona grandes beneficios y alternativas para las estaciones convertidoras utilizadas en los sistemas HVDC.
openaire   +1 more source

Particle Swarm Optimization and Modular Multilevel Converter Communication in Electrical Applications with Machine Learning Algorithm. [PDF]

Comput Intell Neurosci, 2022
Kamal S, Sayeed F, Ahanger TA, Subbalakshmi C, Kalidoss R, Singh N, Nuagah SJ.   +6 more
europepmc   +1 more source