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Topology and operation mechanism of monopolarto-bipolar DC-DC converter interface for DC grid
Zhu H.2; Zhu M.2; Zhang J.2; Cai X.2; Dai N.1
2016-07-13
Source Publication2016 IEEE 8th International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016
Pages3728-3733
AbstractThe bipolar configuration is regarded as a promising way for the integration of distributed/centralized energy resources (CER and DER) in future meshed DC grid. In order to achieve a DC-DC voltage conversion capability with bipolar integration, a monopolar-to-bipolar DC-DC converter interface is usually requested for the inner power collection network of a given CER/DER with the monopolar configuration. Three topologies of the monopolar-to-bipolar DC-DC converter interface have been proposed in this paper, termed as dual-DAB topology, three-port topology and four-port topology, respectively. A detailed topology analysis is given, and the power transmission features have been derived with the considerations of unbalanced neutral-line current. The corresponding control strategy has been proposed for the constant voltage at monopolar side and zero neutral-line current at the bipolar side. Finally, all proposed control strategies have been validated by simulation results.
Keywordconstant voltage control DAB monopolar-to-bipolar DC-DC conversion multi ports neutral-line current
DOI10.1109/IPEMC.2016.7512892
URLView the original
Language英語
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Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.Universidade de Macau
2.Shanghai Jiao Tong University
Recommended Citation
GB/T 7714
Zhu H.,Zhu M.,Zhang J.,et al. Topology and operation mechanism of monopolarto-bipolar DC-DC converter interface for DC grid[C],2016:3728-3733.
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