Results 101 to 110 of about 17,156 (263)
, 2015 The Modular Multilevel Converter (MMC) is a type of DC-AC electronic power converter suitable for HVDC applications, thanks to its modularity and to the symmetrical design of the cells.
Arias Pérez de Azpeitia, Manuel +4 more
core +1 more source
DC fault isolation study of bidirectional dual active bridge DC/DC converter for DC transmission grid application [PDF]
, 2015 Fast isolation and detection of DC faults is currently a limiting factor in high power DC transmission grid development. Recent research has shown that the role of DC/DC converters is becoming increasingly important in solving various DC grid challenges ...
Aboushady, Ahmed A. +2 more
core +2 more sources
A novel MMC control scheme to increase the DC voltage in HVDC transmission systems [PDF]
, 2017 This research investigates third harmonic injection applied to a modular multilevel converter (MMC) to generate a higher DC voltage. This is achieved using a proposed novel control scheme that activates existing submodules (SMs) in the converter arms ...
Fletcher, John, Li, Rui
core +1 more source
Modular Multilevel Converter for Electric Motor Drive Applications [PDF]
, 2015 In this master thesis the topic of Modular Multilevel Converters (MMC) has been studied. The working principle of the converter is presented with advantageous attributes such as a multilevel waveform, a modular realization and cost saving features. Vital
Ekern, Bertil Lassesen
core
Thyristor-Bypassed Sub-Module Power-Groups for Achieving High-Efficiency, DC Fault Tolerant Multilevel VSCs [PDF]
, 2017 Achieving DC fault tolerance in modular multilevel converters requires the use of a significant number of Sub-Modules (SMs) which are capable of generating a negative voltage.
Green, Tim C. +4 more
core +1 more source
Research on Lyapunov control strategy of MMC-UPFC based on unbalanced grid in novel power system
Diance yu yibiaoAiming 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 +4 more
doaj +1 more source
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 +4 more
doaj +1 more source
Cost and losses associated with offshore wind farm collection networks which centralise the turbine power electronic converters [PDF]
, 2013 Costs and losses have been calculated for several different network topologies, which centralise the turbine power electronic converters, in order to improve access for maintenance.
Anaya-Lara, Olimpo, Parker, Max
core +1 more source
Zhongguo dianliThe 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 +4 more
doaj +1 more source
High-Efficiency MOSFET-based MMC Design for LVDC Distribution Systems [PDF]
, 2017 LVDC distribution networks have the potential to release larger capacity without having to upgrade the existing cables. One of the main challenges of LVDC networks is the extra customer-end DC-AC conversion stage.
Finney, Stephen +4 more
core +1 more source