Results 11 to 20 of about 584,665 (212)
Modular Multilevel Converter DC Fault Protection [PDF]
High voltage direct current grids will require the development of dc protections that provide fast fault isolation and minimize the disturbance caused to the existing ac power networks. This paper investigates how the dc fault recovery performance of a half-bridge modular multilevel converter (HB-MMC) is impacted by different dc protection design ...
Cwikowski, O +6 more
openaire +5 more sources
Beyond the MMC: Extended Modular Multilevel Converter Topologies and Applications
The unique advantages of modular multilevel converters (MMCs) have led to wide adoption of the converter topology in high voltage dc (HVDC) transmission systems, with great potential for use in medium voltage motor drive and dc grid applications ...
P. Sun +3 more
semanticscholar +1 more source
In a battery energy storage system (BESS) based on the cascaded H-bridge (CHB) converter or modular multilevel converter (MMC), the active power distribution among the submodules (SMs) can be highly unbalanced, especially when batteries with different ...
Gaowen Liang +6 more
semanticscholar +1 more source
A Hybrid Modular Multilevel Converter Family With Higher Power Density and Efficiency
Modular multilevel converter (MMC) has many advantages of scalability, reliability and easy implementation, but suffers from large number of switching devices and capacitors.
Jian Liu, D. Dong, Di Zhang
semanticscholar +1 more source
Ultimate Generalized Multilevel Converter Topology
There are various ways to derive multilevel converter topologies as pointed out by the author's previous work. This letter proposes a voltage-source generalized multilevel converter topology that unifies several generalized multilevel topologies and also
Xibo Yuan
semanticscholar +1 more source
A Hybrid Modular Multilevel Converter with Partial Embedded Energy Storage
Modular and cascaded multilevel converters provide a functional solution for the integration of energy storage systems (ESSs). This paper develops a hybrid multilevel converter based on the modular multilevel converter (MMC) that can be functionally ...
Georgios Konstantinou +3 more
doaj +1 more source
Optimal Design and Control of MMC STATCOM for Improving Power Quality Indicators
In recent years, modular multilevel converters (MMC) are becoming popular in the distribution and transmission of electrical systems. The multilevel converter suffers from circulating current within the converter that increases the conduction loss of ...
Ahmed A. Zaki Diab +4 more
doaj +1 more source
Study of start-up decoupling controller for modular multilevel converter [PDF]
Modular multilevel converters are widely used in power systems because of their significant advantages. In this paper, a dynamic mathematical model is established by analyzing the topology, operating principle and switching function of the modular ...
Zhang Xinlin +3 more
doaj +1 more source
Control of AC/DC Modular Multilevel Converter
In recent years, a special attention is paid to grid connected multilevel converters. These converters have specific use in industry in a high power, medium-voltage and high-voltage applications. This paper presents new control algorithm for single-phase
Vojtech Blahnik +3 more
doaj +1 more source
Multiple low frequency dual reference PWM control of a grid connected photovoltaic three phase NPC inverter with DC/DC boost converter [PDF]
In recent years, power demand of industrial applications has increased significantly reaching some megawatts. The use of multilevel converters for applications of medium and high powers is proposed as a solution to drawback semiconductor ...
Mechouma Rabiaa, Azoui Boubekeur
doaj +1 more source

