Energy Management of a Hybrid Energy System for Dynamic Load Compensation

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A4 Artikkeli konferenssijulkaisussa
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Date

2025

Department

Department of Electrical Engineering and Automation

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Language

en

Pages

6

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IECON 2025 - 51st Annual Conference of the IEEE Industrial Electronics Society

Abstract

This paper presents a hybrid energy system (HES) integrating a fuel cell (FC) and a supercapacitor (SC), each connected to a common DC-bus via dual active bridge (DAB) converters. A two-layer control strategy is implemented, where the inner loop employs peak current control with feedforward compensation, while the outer supervisory layer is governed by the proposed energy management system (EMS). The EMS monitors DC-bus voltage, load current, and computes rate of change of current, activating the SC DAB during transients, overloads, or undervoltage conditions based on predefined thresholds. Simulation results in MATLAB/Simulink confirm effective voltage regulation and dynamic current sharing under variable load scenarios. The proposed scheme enables seamless source coordination with minimal computational overhead.

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Keywords

dual active bridge (DAB) converter, energy management system (EMS), fuel cell (FC), Hybrid energy system (HES), supercapacitor (SC)

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DOI

10.1109/IECON58223.2025.11221889

Citation

Ijaz, F, Bhakar, P, Taheri, S & Pouresmaeil, E 2025, Energy Management of a Hybrid Energy System for Dynamic Load Compensation. in IECON 2025 - 51st Annual Conference of the IEEE Industrial Electronics Society. IEEE, Annual Conference of the IEEE Industrial Electronics Society, Madrid, Spain, 14/10/2025. https://doi.org/10.1109/IECON58223.2025.11221889

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https://urn.fi/URN:NBN:fi:aalto-202512299640

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