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Research of Supercapacitor Voltage Equalization Strategy on Rubber-Tyred Gantry Crane Energy Saving System

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DOI: 10.4236/epe.2010.21005    5,760 Downloads   11,207 Views   Citations

ABSTRACT

A model for supercapacitor voltage equalization strategy is analyzed, and on this basis a supercapacitor voltage equalization method for Rubber Tyred Gantry Crane (RTG) energy saving system is proposed, namely active voltage equalization method based on Buck-Boost converter. The equalizing speed of the proposed method is fast. Firstly, the working principle and process of the voltage equalization circuit is analyzed in detail. In addition, design of active voltage equalization circuit parameters and control strategy are given. Finally, simulation analysis of the series connection of supercapacitors module is performed. Results show that this method for equalizing voltage can avoid over-voltage of each cell and possess practicable and high value for supercapacitor RTG energy saving system.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

C. CHANG, J. YANG, Y. LI and Z. ZHU, "Research of Supercapacitor Voltage Equalization Strategy on Rubber-Tyred Gantry Crane Energy Saving System," Energy and Power Engineering, Vol. 2 No. 1, 2010, pp. 25-30. doi: 10.4236/epe.2010.21005.

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