Uttam, V and Kudaravalli, VR and Iyer, VM (2022) Generalised Harmonic Model for a Triple Active Bridge DC-DC Converter. In: 2022 IEEE Energy Conversion Congress and Exposition (ECCE), 09 - 13 October 2022, 2022 IEEE Energy Conversion Congress and Exposition, ECCE 2022.
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Abstract
Triple Active Bridge (TAB) converter is a popular topology used for interfacing multiple sources and loads. In this paper, we show that the large-signal and small-signal model of the TAB converter based on Fundamental Harmonic Analysis (FHA) presented in literature can be erroneous for a range of operating conditions. It could result in an error in the power flow calculation in addition to performance degradation of the closed-loop control systems. Further, we present a Generalised Harmonic Model (GHM) for the Triple Active Bridge (TAB) converter that offers superior accuracy. The small-signal transfer functions for the TAB converter are derived based on the proposed model and are verified using switching circuit simulations. A TAB converter hardware prototype has been developed and experimental results are provided to validate the proposed GHM. © 2022 IEEE.
Item Type: | Conference Paper |
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Publication: | 2022 IEEE Energy Conversion Congress and Exposition, ECCE 2022 |
Publisher: | Institute of Electrical and Electronics Engineers Inc. |
Additional Information: | The copyright for this article belongs to Institute of Electrical and Electronics Engineers Inc. |
Keywords: | Circuit simulation; Closed loop control systems; Electric load flow; Harmonic analysis; Power electronics, Bridge converter; Harmonic model; Large signal models; Large-signals; Multi-port; Multi-port converter; Multiple loads; Multiple source; Small signal model; Triple active bridge DC-DC converter, DC-DC converters |
Department/Centre: | Division of Electrical Sciences > Electrical Engineering |
Date Deposited: | 25 Jan 2023 10:15 |
Last Modified: | 25 Jan 2023 10:15 |
URI: | https://eprints.iisc.ac.in/id/eprint/79515 |
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