DC–DC converterMultilevel modular converterHVDC applicationsA DC–DC Modular Multilevel Converter based on a double II configuration is presented.The topology uses cascaded H-Bridge converters.A two level control hierarchy regulates the DC link voltage of each H-bridge module.At top level, DC and...
A bidirectional modular multilevel DC-DC converter (Bi-MMDC) with inherent voltage balance capability for high/medium voltage applications is proposed in this paper. The proposed converter adopts modular half-bridge-type structure for both of the primary and secondary sides, which can reduce the ...
In this paper, a novel bidirectional modular multilevel dc-dc converter is proposed. The proposed topology, named the triangular modular multilevel dc-dc converter (TMMC), can achieve equal power sharing among its modules over a broad range of conversion ratios. The proposed control algorithm prov...
A modular multilevel resonant (MMR) dc-dc converter, its modulation, and control are proposed in this article. The MMR converter inherits the desirable features of both the modular multilevel converter and LLC resonant converter, such as high voltage capability, easy fault-tolerant operation, and...
MBC. It is proposed to be used as DC link in applications where several controlled voltage levels are required with self-balancing and unidirectional current flow, such as photovoltaic (PV) or fuel cell generation systems with multilevel inverters; each device blocks only one voltage level, achiev...
In this paper a new modular multilevel converter topology is proposed. One basic module for the proposed topology is developed. To generate output voltages of both the polarity one H-bridge is used at the output. This topology significantly reduces number of power electronics components, dc voltag...
DC/DC Converters for Multi-terminal HVDC Systems - Based on Modular Multilevel Converter MMC control structures are introduced and front-to-front connection of two MMC forming a DC/AC/DC converter is modelled and simulated for different applications such as interconnecting systems with same voltage ...
This new converter has a flexible structure of multistrings and each string consists of four valves with their middle points crossly connected through two cost-effect dc...关键词: Multilevel converters Voltage Source Converter Multiter...
The modular multilevel converter (MMC) is a newly introduced switch-mode converter topology with the potential for high-voltage direct current (HVDC) transmission applications. This paper focuses on the dynamic performance of an MMC-based, back-to-back HVDC system. A phase-disposition (PD) sinuso...
Isolated Modular Multilevel DC-DC Converter With DC Fault Current Control Capability Based on Current-Fed Dual Active Bridge for MVDC Application’ IEEE Trans Power Electron (2018) C.A. Rojas et al. Dc-dc mmc for hvdc grid interface of utility-scale photovoltaic conversion systems IEEE Trans ...