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首页> 外文期刊>Electric power systems research >Optimal battery sizing procedure for hybrid trolley-bus: A real case study
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Optimal battery sizing procedure for hybrid trolley-bus: A real case study

机译：混合动力无轨电车的最佳电池尺寸确定程序：真实案例研究

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摘要

The paper investigates the renewal of a hybrid trolley-bus, powered by a 600 V DC overhead electrical grid. The analysis focuses on replacing the on-board internal combustion engine (ICE) with a battery-based power unit. A novel two-step optimization procedure is proposed for this purpose. The procedure compares the solutions in terms of the total cost sustained by the ownership. By means of an iterative method, the optimal size of the battery unit is designed as a function of power and energy requirements, taking into account cycle life, depth of discharge, working temperature, replacement, and the requirements of the transport service operator. Using the real measurements taken on a trolley-bus operating in the city center of Naples (Italy), several numerical simulations are performed. The simulations examine three alternative Lithium high specific power and energy batteries. The comparison of the results allows to select the best solution among the different technologies for the proposed application.
机译：本文研究了由600 V DC架空电网供电的混合无轨电车的更新。该分析着重于用基于电池的动力单元替换车载内燃机（ICE）。为此，提出了一种新颖的两步优化程序。该程序根据所有权承受的总成本比较解决方案。通过迭代的方法，考虑到循环寿命，放电深度，工作温度，更换以及运输服务运营商的要求，根据功率和能量需求设计最佳的电池单元尺寸。使用在那不勒斯（意大利）市中心运行的无轨电车上进行的实际测量，进行了一些数值模拟。仿真检查了三种替代锂高比功率和能量电池。结果的比较允许为建议的应用在不同技术中选择最佳解决方案。

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