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首页> 外文期刊>Journal of Asian Electric Vehicles >Design and Modeling of Trailer Battery Energy Storage for Range Extension of Electric Vehicles
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Design and Modeling of Trailer Battery Energy Storage for Range Extension of Electric Vehicles

机译:电动汽车增程拖车电池储能的设计与建模

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Automotive manufacturers have in the last few years put on the market new models of electric vehicles (EV) such as the Nissan Leaf and Tesla Roadster, demonstrating their awareness to the upcoming fossil/renewable energy transition. While the infrastructure around EVs is yet to be developed completely in most countries, potential buyers are being attracted by the idea of driving a vehicle which could save money by only using electricity as a source of energy. By extension, having a portable modular device in the form of a trailer attached to a vehicle and tted with extra energy storage would allow current EVs to be used beyond their usual range limits, as well as provide space for carrying extra gear. This paper focuses on the electrical modeling and design of a battery pack tted inside the trailer and a range estimation is calculated over a standardized driving cycle, using the high level programming language, Octave. A lithium based chemistry was chosen for numerical application, real data were used and case studies are presented to illustrate how the internal hardware of the trailer affects its performance. A value of 150 km of extra range was set as a target for the design, from which other trailer characteristics can be derived such as the weight distribution within the trailer and the maximum cornering speed. Overall, this work can be used as a preliminary design tool, able to accommodate different design options using the mathematical model employed.
机译:在过去的几年中,汽车制造商将日产Leaf和特斯拉敞篷跑车等新型电动汽车(EV)投放市场,表明了他们对即将到来的化石/可再生能源转型的认识。尽管大多数国家/地区围绕电动汽车的基础设施尚未完全开发,但潜在的买家仍被驾驶汽车的想法所吸引,这种想法仅通过使用电力作为能源就可以节省成本。通过扩展,将挂车形式的便携式模块化设备连接到车辆并具有额外的能量存储将允许当前的EV超出其通常的范围限制使用,并提供携带额外装备的空间。本文着重于拖车内部电池组的电气建模和设计,并使用高级编程语言Octave在标准驾驶周期内计算出行驶距离估计值。选择了锂基化学物质进行数值应用,使用了实际数据,并通过案例研究来说明拖车的内部硬件如何影响其性能。将150 km的额外距离设定为设计目标,由此可以得出其他拖车特性,例如拖车内的重量分布和最大转弯速度。总的来说,这项工作可以用作初步的设计工具,可以使用所采用的数学模型来适应不同的设计选项。

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