Multiport DC-DC Converter Systems for Energy Management
Summary
Multiport DC-DC converter systems constitute a class of power electronics interfaces capable of interconnecting three or more DC energy sources, storage elements and loads through a single consolidated hub. By accommodating photovoltaic arrays, batteries, fuel cells and other converters within one modular architecture, these systems enable dynamic allocation of energy flows, bidirectional charge/discharge capability and enhanced efficiency over conventional multi-stage power chains. Key advantages include reduced footprint, lower component count, simplified installation and improved system reliability, particularly in DC microgrids, electric vehicles and renewable-integrated distribution networks. Advanced control strategies manage port interactions, enforce grid-code compliance and support maximum power point tracking, while isolated and non-isolated topologies are selected to balance galvanic separation, voltage stress and cost. The global drive towards decarbonisation and grid modernisation has elevated multiport DC-DC converters as pivotal enablers of flexible, resilient and scalable energy infrastructures.
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Multiport DC-DC Converter Systems for Energy Management publication trend
The graph below shows the total number of articles in multiport dc-dc converter systems for energy management across all publications each year (not limited to Nature Index journals).
Technical terms
Multiport DC-DC converter: A power-electronic interface that connects three or more DC sources, storage elements or loads through multiple ports to manage energy flows within a single device.
Bidirectional converter: A converter capable of transferring power in both directions between a port and the common DC bus, enabling both charging and discharging of energy storage.
Isolated topology: A converter configuration in which galvanic isolation is provided between ports and the common bus, often via transformers, to enhance safety and voltage matching.
Non-isolated topology: A converter design without galvanic separation, typically simpler and more compact but lacking inherent protection against ground loops and voltage mismatches.
Maximum power point tracking (MPPT): A control technique that continuously adjusts operating conditions of a renewable energy source, such as a solar array, to extract maximum available power under varying irradiance and temperature.
References
- Review of multiport power converters for distribution network applications. Renewable and Sustainable Energy Reviews (2024).
- Three-Port Converters for Energy Conversion of PV-BES Integrated Systems—A Review. IEEE Access (2023).
- An Integrated Topology of Three-Port DC-DC Converter for PV-Battery Power Systems. IEEE Open Journal of the Industrial Electronics Society (2022).
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