A Bidirectional Isolated DC–DC Converter as a Core Circuit of the Next-Generation Medium-Voltage Power Conversion System

Inoue, Shozo; Akagi, Hirofumi

doi:10.1109/tpel.2006.889939

Cited by 578 publications

(207 citation statements)

References 12 publications

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“…They are respectively the single phase-shift (SPS) control, the extended-phase-shift (EPS) control, the dualphase-shift (DPS) control, and the triple-phase-shift (TPS) control. The SPS control, which is the most widely used control strategy for DAB converters [1,6,23], is adopted in this paper. In SPS control, v p and v s are square wave voltages with 50% duty cycle.…”

Section: System Descriptionmentioning

confidence: 99%

Stability analysis of digitally controlled dual active bridge converters

Shi

Liu

et al. 2017

J. Mod. Power Syst. Clean Energy

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The dual active bridge (DAB) converters are widely used in the energy storage equipment and the distributed power systems. However, the existence of switching nonlinearity and control delay can cause serious stability problem to the DAB converters. Thus, this paper, studies the stability of a digitally controlled DAB converter with an output voltage closed loop controller. Firstly, to accurately study the stability in a DAB converter, a discrete-time model established in a whole switching period is obtained. The model considers the output capacitor ESR, the digital control delay, and sample-and-hold process. By using this model, the stabilities of the DAB converter versus the proportional controller parameter and the output capacitor ESR are analyzed and the critical values are predicted accurately. Moreover, the stability boundary of the proportional controller parameter and the output capacitor ESR is also obtained. The result shows that the value of the output capacitor ESR can have a great effect on the stability region of the proportional controller parameter. Finally, the theoretical analyses are verified by the simulation and experimental results.

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Section: System Descriptionmentioning

confidence: 99%

Stability analysis of digitally controlled dual active bridge converters

Shi

Liu

et al. 2017

J. Mod. Power Syst. Clean Energy

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“…In Song et al (2004), Ye et al (2006), Ponnaluri et al (2005), Inoue and Akagi (2006), Salem et al (2015) and Bayoumi (2013b), a field-oriented controlled (FOC) induction machine-based FESS consists of a 20 kHz high-frequency AC link (HFAC-link) and back-to-back pulse density modulated (PDM) converters. The 20 kHz HFAC-link and PDM technology, as shown in Figure 19, provides a convenient means for power management in a multi-terminal converter distribution system, offers flexibility in voltage level changes, and allows single stage power conversion.…”

Section: Flywheel Storage System Configurationsmentioning

confidence: 99%

Power electronics in smart grid distribution power systems: a review

Bayoumi

2016

IJIED

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Distributed generation (DG) in smart grid (SG) is being employed as a means of achieving increased reliability for electrical power systems as regarded by consumers. As the most of DG technologies utilise renewable sources, the power electronic interface plays a vital role to match the characteristics of a DG unit with the grid requirements. This paper presents the power electronics capabilities required for DG systems in SG to convert the generated power into useful power that can be directly interconnected with the utility grid and/or that can be used for consumer applications. Because of the enhancement and the different power ranges of power electronics devices, the development of advanced power electronic interface that is scalable to meet different power requirements, with modular design, lower cost, and improved reliability, will improve the overall performance and durability of smart grid distributed power systems.

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“…2) Two-Stage Power Conversion Systems: The two-stage power conversion system is the most common configuration for all electronically-coupled DER units [33]- [35]. Fig.…”

Section: A Structures Of Electronically-coupled Der Unitsmentioning

confidence: 99%

A Review of Power Electronics Based Microgrids

Wang¹,

Guerrero²,

Blaabjerg³

et al. 2012

Journal of Power Electronics

152

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The increased penetration of Distributed Energy Resources (DER) is challenging the entire architecture of conventional electrical power system. Microgrid paradigm, featuring higher flexibility and reliability, becomes an attractive candidate for the future power grid. In this paper, an overview of microgrid configurations is given. Then, possible structure options and control methods of DER units are presented, which is followed by the descriptions of system controls and power management strategies for AC microgrids. Finally, future trends of microgrids are discussed pointing out how this concept can be a key to achieve a more intelligent and flexible power system.

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A Bidirectional Isolated DC–DC Converter as a Core Circuit of the Next-Generation Medium-Voltage Power Conversion System

Cited by 578 publications

References 12 publications

Stability analysis of digitally controlled dual active bridge converters

Stability analysis of digitally controlled dual active bridge converters

Power electronics in smart grid distribution power systems: a review

A Review of Power Electronics Based Microgrids

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