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Research on Bidirectional DC/DC Converter for Electric Vehicle

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Abstract:

The voltages of between the battery and the ultra-capacitor are not equal in the energy storage system of the electric vehicle. DC/DC converter is researched in order to balance the voltages between the battery and the ultra-capacitor. The traditional control method is not ideal. The model of bidirectional DC/DC converter is established on the basis of the working principle of the DC/DC converter. And it is in the double closed loop PI control mode. The results of simulation indicate that the control method has fast response speed, small overshoot and strong ability of anti-interference. It can also balance the energy between the battery and the ultra-capacitor.

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Info:

Periodical:

Applied Mechanics and Materials (Volumes 701-702)

Pages:

1169-1172

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.701-702.1169

Citation:

Cite this paper

Online since:

December 2014

Authors:

Shuang Du*, Rui Juan Guo, Li Chen Wang

Keywords:

Battery, Bidirectional DC/DC Converter, Double Closed Loop PI Control, Electric Vehicle (EV), Ultra-Capacitor

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

References

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