Abstract
This paper presents an interconnection bi-directional dc-dc converter for multi-rail DC distribution system. The principles of the energy conversion process, small signal modeling and controller design for the new topology are discussed in detail. The system parameters are carefully calculated for an intended application of automotive 14 V/42 V dual-bus DC distribution system. A double-zero-double-pole PI controller is designed to control the high rail voltage as well as bidirectional power. The simulation and experimental results show that the proposed topology has the advantages of power expansibility, smaller capacitance current stress and bidirectional operation. It is proved to be applicable in high current high temperature automotive DC distribution systems.
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Acknowledgment
This work is sponsored by National Students’ Innovation and entrepreneurship training program (201411117001), National Natural Science Foundation of China (grant number 51207135), Jiangsu Natural Science Foundation (grant number BK2012266), and YZU-Yangzhou City Joint Fund (grant number 2012038-10), CSC No. 201409300007.
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Lu, H., Zhu, Y., Hua, Y., Jiang, W., Li, N. (2016). Interconnection Power Converter for Multi-Rail DC Distribution System. In: Jia, Y., Du, J., Li, H., Zhang, W. (eds) Proceedings of the 2015 Chinese Intelligent Systems Conference. Lecture Notes in Electrical Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-48386-2_32
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DOI: https://doi.org/10.1007/978-3-662-48386-2_32
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