A Family of Integrated Cascade Multiport Converters for Centralized Equalization Systems: Derivation, Analysis, and Verification

Qi, Xianbin; Wang, Yi; Fang, Mingzhu; Wang, Hong; Wang, Yanbo; Chen, Zhe

doi:10.1109/tpel.2023.3246723

Cited by 4 publications

(2 citation statements)

References 32 publications

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“…The positive and negative buses are connected to the positive and negative pins of the bidirectional Cuk converter, respectively. The switching network in the above figure consists of 2n bidirectional switching units, which can be achieved by the following four circuit forms [24], as shown in Figure 7. Note that an ultracapacitor cell is used as an intermediary carrier for energy transfer, which corresponds to the central Pillar B in the Hanoi Tower game.…”

Section: Balancing Topology Designmentioning

confidence: 99%

“…Therefore, research on active balancing strategies has been widely developed in recent years [11]. According to the different energy transfer strategies and circuit structures used, active balancing systems can be classified into four main types: those using capacitors, inductors, transformers, and power electronic converters [12][13][14][15][16][17][18][19][20][21][22][23][24]. The first ones use capacitors as carriers to transfer the imbalanced energy among battery cells.…”

Section: Introductionmentioning

confidence: 99%

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Active Equalization for Lithium-Iron Battery Pack Based on Reduced-Order Solving Strategy for the Hanoi Tower Problem

Xia,

Chen,

Chi

et al. 2024

Energies

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In order to address the energy imbalance issue of a series-connected lithium-iron battery pack, this paper proposes an active equalization method based on a reduced-order solving strategy for the Hanoi Tower problem. The proposed scheme utilizes a combined structure of a switching-network circuit and a bidirectional Cuk converter and leverages an ultracapacitor cell as the energy-transfer carrier. Simulation and comparison demonstrate that the exchange of unbalanced energy within the battery pack can be achieved. The proposed approach can effectively achieve various balancing modes such as cell-to-cell, cell-to-string, string-to-cell, and string-to-string with a relatively fast balancing speed.

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Section: Balancing Topology Designmentioning

confidence: 99%