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This paper presents the project procedure to develop a Half-Bridge (HB) Non-Isolated DC-DC converter applying a Normally-On GaN-based switch. Normally-on devices (D-mode) present the benefit of lower costs in terms of production if compared with E-mode devices, which gives an economic motivation to study and develop power electronics converters applying this technology. The devices under test (DUTs)...
The growing number of distributed energy resources, DC loads and energy storage systems drive the adoption of DC distribution networks. This paper in particular addresses three-wire bipolar DC distribution networks (b-DCDN), that provide two voltage levels to connect low- and high-power loads, while transferring twice the amount of power with less conduction losses as compared to the two-wire unipolar...
Power systems of the future are believed to be shaped by the introduction of smart grids and microgrids where distributed generation is dominant at the distribution level. DC distribution is also a potential microgrid solution. Distributed generation and loads interconnect to DC-common feeders via power electronics interfaces. This paper aims at reviewing how recent innovations in power electronics...
This paper presents MatLVDC, i.e. an open source Matlab toolbox to analyse dynamic phenomena in DC distribution networks, that are gaining importance because of reported energy savings and the increasing number of DC loads and distributed energy resources (DER). The toolbox aims at facilitating the design processes and research on DC distribution networks including a high share of renewable energy...
High penetration of Distributed Energy Resources (DERs) with different dynamic responses cause interaction between components in a DC microgrid. This paper proposes a method called object-oriented modeling, which allows analyzing converter-interfaced DC microgrids in steady states and transients. The analysis mainly focuses on transient behavior of external electric values, as well as internal controller...
DC power has recently become a potential option and made a vital contribution to the growth of future power systems. On the other hand, DC power is more advantageous than AC power in terms of integrating of renewable energy sources into distribution power networks. Transients in a DC network are different from AC networks' due to a greater consumption sides as well as a greater participation of electronics...
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