Research and Modeling for Bi-Directional DC/DC Converter Based on Formation Technology for Lithium Battery

Abstract:

This paper puts forward a new kind of bidirectional DC/DC topological structure which is used in technology of lithium batteries .It adopts two-stage bidirectional topological structure which called half-bridge bidirectional converter and buck-boost bidirectional converter. This structure can achieve the transformation in the case of large voltage difference between input voltage and output voltage by DSP taking control of buck-boost bidirectional converter. This topological structure is authenticated in the environment of MATLAB/SIMLINK .The result demonstrates that the converter is stable, and can effectively realize bi-directional transformation between 3V battery voltage and 400V bus bar voltage.

• Periodical: Advanced Materials Research (Volumes 201-203)
• Pages: 647-651
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.201-203.647
• Online since: February 2011
• Authors: Hai Lang Liu, Yi Zhi Wang
• Keywords: Average Current Control, Bi-Directional DC/DC, Half-Bridge, MATLAB, Two-Stage

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