Results 101 to 110 of about 3,218 (218)

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

Poster Session 3

Pregnancy, Volume 2, Issue S1, January 2026.
wiley   +1 more source

Optimizing virtual synchronous generator control in MMC-based HVDC systems for power system oscillation damping

Results in Engineering
This paper discusses the development of a Virtual Synchronous Generator utilizing a Modular Multilevel Converter. The control system employs an internal simulation of the electromechanical swing equation to replicate the inertia and damping ...
Chethan M․, Ravi K
doaj   +1 more source

Control of hexagonal Modular Multilevel Converter for 3-phase BTB system

, 2014
The Modular Multilevel Converter (MMC) with cascaded full bridge cells is available for AC/AC transmission system without transformers in high voltage line. This research applied a Hexagonal MMC (H-MMC) to 3-phase AC-AC back-to-back (BTB) system.
Shin-ichi Hamasaki, Takashi Tsubakidani, Tsuji, Mineo, Hamasaki, Shin-ichi, Tsubakidani, Takashi, Mineo Tsuji, Okamura, Kazuki, Kazuki Okamura   +7 more
core   +1 more source

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  

Performance of the modular multilevel converter with redundant submodules

, 2015
The modular multilevel converter (MMC) is the state-of-the-art voltage-source converter (VSC) topology used for various power-conversion applications. In the MMC, submodule failures can occur due to various reasons.
Ängquist, Lennart,, Lennart Angquist, Staffan Norrga, Ahmed, Noman,, Noman Ahmed, Hans-Peter Nee, Harnefors, Lennart,, Norrga, Staffan,, Antonios Antonopoulos, Lennart Harnefors, Nee, Hans-Peter,, Antonopoulos, Antonios,   +11 more
core   +1 more source

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

Modular Multilevel Converter Control Strategy with Fault Tolerance

, 2013
The Modular Multilevel Converter (MMC) technology has recently emerged in VSC-HVDC applications where it demonstrated higher efficiency and fault tolerance compared to the classical 2-level topology. Due to the ability of MMC to connect to HV levels, MMC
Mathe, Laszlo; id_orcid, Eni, Emanuel-Petre, Pedro Rodríguez, Lazslo Mathe, Teodorescu, Remus; id_orcid, Emanuel-Petre Eni, Remus Teodorescu, Rodriguez, Pedro   +7 more
core   +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