Results 71 to 80 of about 984 (180)

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  

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  

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

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

Poster Session 3

Pregnancy, Volume 2, Issue S1, January 2026.
wiley   +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

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

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