Energy Flow Chart-Based Energy Efficiency Analysis of a Range-Extended Electric Bus

Xiaogang Wu, Chen Hu and Jingfu Chen

Mathematical Problems in Engineering, 2014, vol. 2014, 1-12

Abstract:

This paper puts forward an energy flow chart analysis method for a range-extended electric bus. This method uses dissipation and cycle energy, recycle efficiency, and fuel-traction efficiency as evaluation indexes. In powertrain energy efficiency analysis, the range-extended electric bus is developed by Tsinghua University, the driving cycle based on that of Harbin, a northern Chinese city. The CD-CS and blended methods are applied in energy management strategies. Analysis results show with average daily range of 200 km, auxiliary power of 10 kW, CD-CS strategy, recycle ability and fuel-traction efficiency are higher. The input-recycled efficiency using the blended strategy is 24.73% higher than CD-CS strategy, while the output-recycled efficiency when using the blended strategy is 7.83% lower than CD-CS strategy.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:972139

DOI: 10.1155/2014/972139

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