Bidirectional DC–DC Converter for Modular Residential Battery Energy Storage Systems

Chub, Andrii; Vinnikov, Dmitri; Kosenko, Roman; Liivik, Elizaveta; Galkin, Ilya

doi:10.1109/tie.2019.2902828

Cited by 81 publications

(32 citation statements)

References 57 publications

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“…There have been other variants for this configuration, such as full-bridge half-bridge bidirectional DC-DC converter that has been combined with impedance networks to achieve better performance [53].…”

Section: ) Half Bridge -Full Bridge Bidirectional Dc-dc Converter [51]-[53]mentioning

confidence: 99%

Topologies and Control Schemes of Bidirectional DC–DC Power Converters: An Overview

et al. 2019

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Bidirectional DC-DC power converters are increasingly employed in diverse applications whereby power flow in both forward and reverse directions are required. These include but not limited to energy storage systems, uninterruptable power supplies, electric vehicles, and renewable energy systems, to name a few. This paper aims to review these converters from the point of view of topology as well as control schemes. From the point of view of topology, these converters are divided into two main categories, namely non-isolated and isolated configurations. Each category is divided into eight groups along with their respective schematics and a table of summary. Furthermore, the common control schemes and switching strategies for these converters are also reviewed. Some of the control schemes are typically applied to all DC-DC power converters such as PID, sliding mode, fuzzy, model predictive, digital control, etc. In this context, it should be noted that some switching strategies were designed specifically for isolated bidirectional DC-DC converters in order to improve their performance such as single phase shift, dual phase shift, triple phase shift, etc. The features of each topology and control scheme along with their typical applications are discussed, in order to provide a ground of comparison for realizing new configurations or finding the appropriate converter for the specific application.INDEX TERMS Batteries, bidirectional power flow, control systems, dc-dc power converters. 5) CASCADED BIDIRECTIONAL DC-DC CONVERTER [19], [20] 4) FORWARD BIDIRECTIONAL DC-DC CONVERTER [35]-[39]

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Section: ) Half Bridge -Full Bridge Bidirectional Dc-dc Converter [51]-[53]mentioning

confidence: 99%

Topologies and Control Schemes of Bidirectional DC–DC Power Converters: An Overview

et al. 2019

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“…Many applications such as renewable energy systems, fuel cell systems, energy storage systems employ bidirectional DC–DC converters [1, 2]. In these systems, the energy is transferred between energy storage elements like batteries and a DC bus.…”

Section: Introductionmentioning

confidence: 99%

Simple low‐cost ZVS bidirectional forward converter with phase shift control and voltage matching for low power applications

Bahrami

Ghavideljaliseh

Adib

2020

IET power electron.

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In this study, a new zero‐voltage switching (ZVS) output inductor‐less bidirectional forward (OILBF) converter is presented. The OILBF has two diodes less than the conventional forward converter and is convenient for low‐power bidirectional applications. Moreover, the OILBF converter uses the leakage inductance of transformer as the forward inductor. In the proposed OILBF, two capacitors paralleled with main switches realise ZVS conditions for main switches in both directions without any auxiliary switches. Also, the reset of the converter transformer is done without any additional circuit. The proposed converter structure due to employing simultaneously OILBF topology with the simple auxiliary soft‐switching circuit is simple and low cost. The ZVS soft‐switching range is from light load to full load which enhances the converter efficiency. Phase shift is applied with the proposed converter. The proposed converter is completely analysed and its design approach is considered. Finally, an experimental prototype is implemented to verify theoretical results.

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“…18 Equalization is an important means of reducing the differences among batteries and increasing the available capacity of battery packs. 19 Battery equalization can reduce the differences in the state of charge (SOC) among batteries using peripheral circuits and extend battery life. 20 Equalization can be applied in static conditions such as the end of charging and discharging, and dynamic conditions.…”

Section: Introductionmentioning

confidence: 99%

Performance and comparison of equalization methods for lithium ion batteries in series

Song

Zhou

et al. 2020

Int J Energy Res

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Deviations between batteries in series appear gradually and increase with the number of cycles. This inconsistency reduces the lifetime of battery packs, increases the cost of using them, and may lead to security issues. Equalization is an important means of reducing battery differences. The relevant research has focused on the design of equalization circuits and the improvement of equalizer efficiency while neglecting a comparative analysis of methods of equalization on the performance of battery packs, which hinders technicians from making the correct choice during application. A quantitative analysis is provided in this paper to compare the effects of methods of equalization on reducing the differences among batteries. Multiple parameters are introduced to describe differences among equalization methods, and the results indicated that equalization worked only at appropriate current rates and failed at large ones. With the same current rate in charging and discharging, the relative equalization time of active equalization was shorter than that of hybrid equalization. Active equalization was better than passive equalization in reducing

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Bidirectional DC–DC Converter for Modular Residential Battery Energy Storage Systems

Cited by 81 publications

References 57 publications

Topologies and Control Schemes of Bidirectional DC–DC Power Converters: An Overview

Topologies and Control Schemes of Bidirectional DC–DC Power Converters: An Overview

Simple low‐cost ZVS bidirectional forward converter with phase shift control and voltage matching for low power applications

Performance and comparison of equalization methods for lithium ion batteries in series

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