Three-loop Multi-variable Control of Triple Active Bridge Converter with Power Flow Optimization

Chandwani, Ashwin; Mallik, Ayan

doi:10.1109/apec43599.2022.9773652

Cited by 6 publications

(1 citation statement)

References 18 publications

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“…In [13], a generalized harmonic approximation (GHA) model is developed for the TAB converter, which is then used in an online gradient-descent optimization aiming at minimizing the derived analytical model (AM) of the total rms current. The same approach is also presented in [14] and [15], optimizing the converter overall efficiency based on the GHA analysis.…”

Section: (B) Bymentioning

confidence: 99%

Multidimensional Ripple Correlation Technique for Optimal Operation of Triple-Active-Bridge Converters

Ibrahim

Caldognetto

Biadene

et al. 2023

IEEE Trans. Ind. Electron.

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The paper presents a multidimensional ripple correlation search technique of optimal operating points of triple active bridge (TAB) converters. Such converters present multiple modulation parameters that should be exploited to achieve high operation efficiency. On the other hand, the several degrees of freedom available make the identification of optimal parameters a challenging task, not easily tackled analytically or in closed form. A modelfree on-line search method based on the ripple correlation technique is then proposed in this paper. The proposed method finds the optimum modulation parameters of TAB converters utilizing a three-dimensional ripple correlation control. The key property of the proposed solution is the adoption of orthogonal perturbation signals, where the orthogonality is simply obtained using different injection frequencies. The multidimensional correlation technique originally shown herein can be applied to other generic optimization problems. The proposed search is verified through a hardware-in-the-loop validation setup and an experimental prototype rated 5 kW.

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Section: (B) Bymentioning

confidence: 99%

Multidimensional Ripple Correlation Technique for Optimal Operation of Triple-Active-Bridge Converters

Ibrahim

Caldognetto

Biadene

et al. 2023

IEEE Trans. Ind. Electron.

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Minimizing conduction losses in multiple active bridge converters across wide voltage ranges using advanced dual‐duty modulation

Shubnaya,

Koksharov,

Porres

et al. 2024

IET Power Electronics

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Multiple port DC/DC converters have applications in many fields: hybrid energy storage systems where batteries are combined with supercapacitors, multi‐level and multi‐modular inverters that need multiple DC sources, and DC microgrids. Among these converters, the Multiple Active Bridge (MAB) is particularly attractive due to its high power ratings and galvanic isolation capabilities. This paper introduces an advanced dual‐duty modulation technique for MAB converters designed to significantly reduce conduction losses over a wide range of input voltages by minimizing the harmonics’ reactive power on the AC stage. Consequently, it can improve the converter's efficiency when dealing with non‐constant voltage sources such as batteries and supercapacitors. The overall control technique is based on the dq‐frame control method under the first harmonic approach (FHA). This method is verified through simulations and implemented in a 1000 W triple‐port prototype. In the simulation, conductive and switching losses are modelled, and the trade‐off between these loss types is discussed. The experimental results affirm an overall improvement in efficiency for certain scenarios involving non‐unit voltage conversion ratios.

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Harmonic-Balance Based Power Flow and ZVS Analysis of a Quad-Active Bridge DC-DC Converter

Arogunjo

Olivia

Ojo

2022

2022 IEEE Energy Conversion Congress and Exposition (ECCE)

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Three-loop Multi-variable Control of Triple Active Bridge Converter with Power Flow Optimization

Cited by 6 publications

References 18 publications

Multidimensional Ripple Correlation Technique for Optimal Operation of Triple-Active-Bridge Converters

Multidimensional Ripple Correlation Technique for Optimal Operation of Triple-Active-Bridge Converters

Minimizing conduction losses in multiple active bridge converters across wide voltage ranges using advanced dual‐duty modulation

Harmonic-Balance Based Power Flow and ZVS Analysis of a Quad-Active Bridge DC-DC Converter

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