Generalized Average Modeling of a Dual Active Bridge DC-DC Converter with Triple-Phase-Shift Modulation

This paper shows an elaboration of an equivalent electrical circuit of a Dual Active Bridge (DAB) and its application as a versatile tool for steady-states analysis in wide range of operating conditions. This work analyses the converter which is controlled with a coherently defined Triple Phase-Shif...

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Main Authors: Michał Rolak, Maciej Twardy, Cezary Soból
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/15/16/6092
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author Michał Rolak
Maciej Twardy
Cezary Soból
author_facet Michał Rolak
Maciej Twardy
Cezary Soból
author_sort Michał Rolak
collection DOAJ
description This paper shows an elaboration of an equivalent electrical circuit of a Dual Active Bridge (DAB) and its application as a versatile tool for steady-states analysis in wide range of operating conditions. This work analyses the converter which is controlled with a coherently defined Triple Phase-Shift (TPS) modulation which allows appropriate switching functions to be written, thus enabling the circuit’s state-space equations to be derived. Due to this approach, a Fourier series expansion may be easily applied to utilize Generalized Averaged Modeling (GAM)—a convenient method for modeling resonant and quasi-resonant power converters. Moreover, this paper shows the utilization of the GAM model higher harmonics’ complex magnitudes to calculate the steady-state power characteristics for bidirectional operation; additionally, a method for a particular state variable waveform signal reconstruction is presented. All the discussed model properites are validated with a 1.5 kW 100 kHz SiC-based DAB prototype.
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spelling doaj.art-16fa5bd6320c4fad9e036eebab356f942023-12-01T23:40:44ZengMDPI AGEnergies1996-10732022-08-011516609210.3390/en15166092Generalized Average Modeling of a Dual Active Bridge DC-DC Converter with Triple-Phase-Shift ModulationMichał Rolak0Maciej Twardy1Cezary Soból2Institute of Control and Industrial Electronics, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, PolandInstitute of Control and Industrial Electronics, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, PolandInstitute of Control and Industrial Electronics, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, PolandThis paper shows an elaboration of an equivalent electrical circuit of a Dual Active Bridge (DAB) and its application as a versatile tool for steady-states analysis in wide range of operating conditions. This work analyses the converter which is controlled with a coherently defined Triple Phase-Shift (TPS) modulation which allows appropriate switching functions to be written, thus enabling the circuit’s state-space equations to be derived. Due to this approach, a Fourier series expansion may be easily applied to utilize Generalized Averaged Modeling (GAM)—a convenient method for modeling resonant and quasi-resonant power converters. Moreover, this paper shows the utilization of the GAM model higher harmonics’ complex magnitudes to calculate the steady-state power characteristics for bidirectional operation; additionally, a method for a particular state variable waveform signal reconstruction is presented. All the discussed model properites are validated with a 1.5 kW 100 kHz SiC-based DAB prototype.https://www.mdpi.com/1996-1073/15/16/6092Dual Active Bridge (DAB)Triple Phase Shift Modulation (TPS)Generalized Average Modeling (GAM)power characteristicslinear time periodic systemLTP
spellingShingle Michał Rolak
Maciej Twardy
Cezary Soból
Generalized Average Modeling of a Dual Active Bridge DC-DC Converter with Triple-Phase-Shift Modulation
Energies
Dual Active Bridge (DAB)
Triple Phase Shift Modulation (TPS)
Generalized Average Modeling (GAM)
power characteristics
linear time periodic system
LTP
title Generalized Average Modeling of a Dual Active Bridge DC-DC Converter with Triple-Phase-Shift Modulation
title_full Generalized Average Modeling of a Dual Active Bridge DC-DC Converter with Triple-Phase-Shift Modulation
title_fullStr Generalized Average Modeling of a Dual Active Bridge DC-DC Converter with Triple-Phase-Shift Modulation
title_full_unstemmed Generalized Average Modeling of a Dual Active Bridge DC-DC Converter with Triple-Phase-Shift Modulation
title_short Generalized Average Modeling of a Dual Active Bridge DC-DC Converter with Triple-Phase-Shift Modulation
title_sort generalized average modeling of a dual active bridge dc dc converter with triple phase shift modulation
topic Dual Active Bridge (DAB)
Triple Phase Shift Modulation (TPS)
Generalized Average Modeling (GAM)
power characteristics
linear time periodic system
LTP
url https://www.mdpi.com/1996-1073/15/16/6092
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