Continuous current push-pull based topology with coupling inductor used in spacecraft

Qian Chen, Trillion Q. Zheng, Yan Li

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Considering the merits of high power density, high efficiency and low EMI, the DC-DC converter with continuous current is competitive in the application of spacecraft. The concept of continuous current push-pull based topology with coupling inductor is proposed in this paper. In order to obtain continuous current, five new push-pull cells are deduced from traditional push-pull cell. According to the novel structure of continuous current push-pull based topology with coupling inductor, the generation rule is proposed and the topologies based on five new push-pull cells are deduced separately. Depending on the condition that the current of bus side is low-ripple, these topologies are chosen as battery discharge regulator (BDR) or battery charge regulator (BCR). The characteristics are compared to provide optimal topology choice for BDR and BCR. Lastly, a prototype based on a generated topology with high voltage gain is designed and made to verify the correctness of theoretical analysis.

Original languageEnglish (US)
Pages (from-to)1-11
Number of pages11
JournalDiangong Jishu Xuebao/Transactions of China Electrotechnical Society
Volume29
Issue number10
StatePublished - Oct 26 2014

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Spacecraft
Topology
DC-DC converters
Electric potential

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

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abstract = "Considering the merits of high power density, high efficiency and low EMI, the DC-DC converter with continuous current is competitive in the application of spacecraft. The concept of continuous current push-pull based topology with coupling inductor is proposed in this paper. In order to obtain continuous current, five new push-pull cells are deduced from traditional push-pull cell. According to the novel structure of continuous current push-pull based topology with coupling inductor, the generation rule is proposed and the topologies based on five new push-pull cells are deduced separately. Depending on the condition that the current of bus side is low-ripple, these topologies are chosen as battery discharge regulator (BDR) or battery charge regulator (BCR). The characteristics are compared to provide optimal topology choice for BDR and BCR. Lastly, a prototype based on a generated topology with high voltage gain is designed and made to verify the correctness of theoretical analysis.",
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Continuous current push-pull based topology with coupling inductor used in spacecraft. / Chen, Qian; Zheng, Trillion Q.; Li, Yan.

In: Diangong Jishu Xuebao/Transactions of China Electrotechnical Society, Vol. 29, No. 10, 26.10.2014, p. 1-11.

Research output: Contribution to journalArticle

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