Synthesis of multi-port converters based on series/parallel input pulsating cells and output pulsating cells

Due to their advantages of reduced cost, integrated multi-port converters (MPCs) with fewer components have received extensive attention. In this article, by extracting the concept of series/parallel input pulsating cells (IPCs) and output pulsating cells (OPCs), a set of syntheses for generating MP...

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Bibliographic Details
Published inJournal of power electronics Vol. 22; no. 10; pp. 1769 - 1790
Main Authors Gao, Ming, Yu, Weichen, Wang, Shanshan, Shi, Jianjiang
Format Journal Article
LanguageKorean
Published 2022
Subjects
DC-DC
Multi-port converter
Renewable power system
Boost
Topology synthesis
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Summary:Due to their advantages of reduced cost, integrated multi-port converters (MPCs) with fewer components have received extensive attention. In this article, by extracting the concept of series/parallel input pulsating cells (IPCs) and output pulsating cells (OPCs), a set of syntheses for generating MPCs composed of IPCs and OPCs is proposed. When compared with the existing synthesis method for non-isolated MPCs, the proposed approach employs only one inductor and features single-stage power conversion between any two ports, which offers benefits in terms of compact size and high efficiency. Two design examples are shown to demonstrate the worth of proposed methodology. The operation principles are first analyzed. The pulsewidth modulation (PWM) and power control schemes are explained and designed in detail. To design the controllers, small-signal models for each of the operation modes are also extracted. Meanwhile, the characteristics of pulsating cells with different configurations are discussed and compared. The theoretical analysis is validated by simulation and experimental results for different operation conditions.
Bibliography:KISTI1.1003/JNL.JAKO202229960607016
ISSN:1598-2092
2093-4718