Non-Isolated Reduced Redundant Power Processing DC/DC Converters: A Systematic Study of Topologies With Wide Voltage Ratio for High-Power Applications

Zogogianni, Charoula G.; Tatakis, Emmanuel C.; Vekić, Marko

doi:10.1109/tpel.2018.2889294

Cited by 42 publications

(17 citation statements)

References 25 publications

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“…After substituting all components values in the transfer function as in ( 8) & ( 9), Matlab is used to find the Z-transform of the transfer function using zero-order hold (ZOH) model as in (10). Then, the margin stability bode plot and root locus tools are used to find the controller transfer function as in (11) and the step response of the closed-loop system where K a =k p andK b =k i T s -k p as shown in Fig. 8.…”

Section: Control Structure and Mode Selectionmentioning

confidence: 99%

“…Therefore, the arrangement of converters and controller for the power flow distribution in a TPC plays a vital role on the overall performance and efficiency. Recently, a systematic analytical technique for different configurations has been proposed [9]- [11]. However, for some applications such as electric vehicles, a bidirectional output port is required to handle regenerative braking [12], [13].…”

Section: Introductionmentioning

confidence: 99%

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A Method of Seamless Transitions Between Different Operating Modes for Three-Port DC-DC Converters

Aljarajreh

Siwakoti

et al. 2021

IEEE Access

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This paper presents the design of three-port converters (TPCs) for smooth transitions (i.e., fast settling time, and no obvious overshoot/undershoot) of 7 distinctive operating modes, depending on sources and loads scheduling. Two viable converter configurations have been identified and selected for further analysis and design of PV-battery systems. Conventionally, mode transition is achieved by assigning specific switching patterns through feedback signals and appropriate control algorithms. This incurs a delay in the response and unavoidable noise in the circuit. Additionally, in TPCs, three voltage sensors and three current sensors are generally required for decision making in mode selection, where errors in sensors may lead to an inaccurate response. This paper presents a new control strategy where the number of switching patterns is significantly reduced to 3 patterns instead of minimum 5 patterns for existing reported topologies. Therefore, decisions are simplified so that the transition occurs naturally based on the power availability and load demand but not deliberately as in the conventional method. In addition, instead of six sensors, three voltage sensors and only one current sensor are required to achieve all the necessary operations, namely, MPPT, battery protection, and output regulation. Moreover, these sensors do not participate in mode selection decision, which leads to seamless and fast mode transition. In addition, this work considers two bidirectional ports as compared with only one bidirectional port in most reported topologies. This configuration enables both standalone and DC grid-connected applications. Experimental results are reported to verify the proposed solution.INDEX TERMS Auto-transition, battery, bidirectional converter, mode selection, photovoltaic system and three-port converter.

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Section: Control Structure and Mode Selectionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Method of Seamless Transitions Between Different Operating Modes for Three-Port DC-DC Converters

Aljarajreh

Siwakoti

et al. 2021

IEEE Access

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“…There are many ways of deriving the TPCs' configuration, as explained previously in [15][16][17][18]24]. In [15], a systematic analytical technique for different configurations is constructed based on the power flow graph tool.…”

Section: A Review Of Three-port Configurationsmentioning

confidence: 99%

“…In [15], a systematic analytical technique for different configurations is constructed. The extension of this work with different buck, boost, and buck-boost converters is presented [16,17]. In [18], a comprehensive topological study and comparison of five different structures of three-port DC/DC converters are presented.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Analysis of Three-Port DC/DC Converters with Two Bidirectional Ports Based on Power Flow Graph Technique

Aljarajreh

Siwakoti

et al. 2021

Energies

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This paper presents a systematic topological study to derive all possible basic and non-isolated three-port converters (TPCs) using power flow diagrams. Unlike most reported TPCs with one bidirectional port, this paper considers up to two bidirectional ports and provides a comprehensive analytical tool. This tool acts as a framework for all power flow combinations, selection, and design. Some viable converter configurations have been identified and selected for further analysis.

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“…The reduced redundant power processing (

R^{2} P^{2}

) technique has been gaining interest. The

R^{2} P^{2}

idea employs the connection, of the input, output and energy storage elements on different power flow paths [27, 28]. In this approach, the goal is to increase the

I \overset{´}{normalC} C

voltage gain.…”

Section: Introductionmentioning

confidence: 99%

Comparative evaluation of a family of isolated Ćuk DC/DC converter with step‐up techniques

Faistel

Guisso

Andrade

et al. 2020

IET power electron.

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Non-Isolated Reduced Redundant Power Processing DC/DC Converters: A Systematic Study of Topologies With Wide Voltage Ratio for High-Power Applications

Cited by 42 publications

References 25 publications

A Method of Seamless Transitions Between Different Operating Modes for Three-Port DC-DC Converters

A Method of Seamless Transitions Between Different Operating Modes for Three-Port DC-DC Converters

Synthesis and Analysis of Three-Port DC/DC Converters with Two Bidirectional Ports Based on Power Flow Graph Technique

Comparative evaluation of a family of isolated Ćuk DC/DC converter with step‐up techniques

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