Modern aircraft electrical systems require efficient power management to meet dynamic load requirements such as actuators and avionics. This paper presents the design and analysis of a bidirectional DC–DC converter used in an aircraft electric energy storage system. The proposed system utilizes a Dual Active Bridge converter topology enabling bidirectional power flow and galvanic isolation. Simulation analysis and hardware implementation using a PIC16F877A microcontroller-based driver circuit are discussed. Results demonstrate efficient operation in both forward and reverse power flow modes.

This paper presented a bidirectional DC-DC converter for aircraft electric energy storage systems. The Dual Active Bridge topology provides efficient bidirectional power transfer with galvanic isolation. Simulation results confirm stable operation in both forward and reverse modes. The proposed system effectively supports aircraft power systems by supplying peak load demand and absorbing regenerative energy. Future work will focus on hardware implementation and advanced control strategies to further improve efficiency and reliability.

[1]R. W. Erickson and D. Maksimovic, Fundamentals of Power Electronics, Springer, 2001. [2]J. Zhang et al., “Dual Active Bridge Converter for Energy Storage Systems,” IEEE Transactions on Power Electronics. [3]N. Mohan, T. Undeland, W. Robbins, Power Electronics: Converters, Applications and Design. [4]IEEE Power Electronics Society, “Bidirectional DC-DC Converter Applications.”

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