Publication

A Hybrid Wireless Power Sharing Control of DAB and LLC Converters in Parallel in DC Microgrids

2025

Abstract

Combining the dual active bridge (DAB) converter and bidirectional LLC resonant converter operating at a fixed frequency can achieve bidirectional power regulation and high efficiency in DC microgrid applications. This paper proposes a hybrid wireless power sharing control for the DAB converter, which controls the power sharing with parallel LLC converter in DC microgrids applications. Aiming at improving the system-level transfer efficiency and maintaining the power control flexibility key problems, several scenarios are considered, including the impact of transmission line, location, and the communication level. The proposed method does not need communication signals between individual power supplies and can mitigate transmission line influence, which is fully scalable. Finally, theoretical developments are validated using simulations results.

Official source

https://infoscience.epfl.ch/entities/publication/278fdf88-a294-4a6e-97b4-9c5be6e028b6

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2025

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/278fdf88-a294-4a6e-97b4-9c5be6e028b6

About this result

Related concepts (32)

Switched-mode power supply

A switched-mode power supply (switching-mode power supply, switch-mode power supply, switched power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a DC or AC source (often mains power, see AC adapter) to DC loads, such as a personal computer, while converting voltage and current characteristics.

Communication

Communication is usually defined as the transmission of information. The term can also refer to the message itself, or the field of inquiry studying these transmissions, also known as communication studies. The precise definition of communication is disputed. Controversial issues are whether unintentional or failed transmissions are included and whether communication does not just transmit meaning but also create it. Models of communication aim to provide a simplified overview of its main components and their interaction.

Microgrid

A microgrid is a local electrical grid with defined electrical boundaries, acting as a single and controllable entity. It is able to operate in grid-connected and in island mode. A 'Stand-alone microgrid' or 'isolated microgrid' only operates off-the-grid and cannot be connected to a wider electric power system. A grid-connected microgrid normally operates connected to and synchronous with the traditional wide area synchronous grid (macrogrid), but is able to disconnect from the interconnected grid and to function autonomously in "island mode" as technical or economic conditions dictate.

Related publications (32)

A Hybrid Wireless Power Sharing Control of DAB and LLC Converters in Parallel in DC Microgrids

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