2022年2022年广东高考语文试题文字版 .pdf
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1、摘 要随着世界环境的污染、 全球石油危机日益严重而带动的石油价格不断上涨给汽车工业带来了不可忽视的冲击,也增强了人们开发新能源的意识,。电动汽车代替燃油汽车是解决能源短缺和减少环境污染的有效途径之一。本文介绍了国内外电动汽车的历史、发展概况及重要性, 并且将电动汽车与燃油汽车的性能及结构做了比较分析,得出电动汽车与燃油汽车相比具有污染小、噪声低、效率高、多样化、结构简单、运行性能好等优点。介绍了电动汽车的主要分类以及蓄电池电动汽车和燃料电池汽车结构与原理。本文以提高驱动系统运行效率、 节约蓄电池能量为主要研究目的,提出高效节能型的电动汽车驱动系统方案,进行了较深入的研究。 论文首先分析了通常用
2、于电动汽车的几种驱动电机的优缺点,并选定了控制灵活, 高效节能的开关磁阻电动机作为驱动电机。 依据开关磁阻电机的特点研究了节能高效型的机械传动装置的设计方案。关键字 :电动汽车驱动系统,开关磁阻电动机,直流发电机名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页,共 4 页 - - - - - - - - - Abstract With the pollution of the worlds environment, the global oil crisis is worsen
3、ing and driven the price of oil rising to the auto industry can not ignore the impact, but also enhance the awareness of people to develop new energy sources.Electric vehicles instead of fuel vehicles is an effective way to solve the energy shortage and reduce environmental pollution. This article d
4、escribes the history, development profile and the importance of electric vehicles at home and abroad, the cars performance and structure of electric vehicles and fuel and will do a comparative analysis of obtained electric vehicles and fuel vehicles compared with the pollution, low noise, high effic
5、iency, diversity, simple structure, good operational performance advantages. The structure and principle of the electric vehicle major categories as well as battery electric vehicles and fuel cell vehicles. . Main purpose of the proposed energy-efficient type of electric vehicle drive system solutio
6、ns to improve the operating efficiency of the drive system, saving the battery energy to conduct a more in-depth study.The paper first analyzes the advantages and disadvantages of several commonly used in electric vehicles drive motor, and the selected control flexible, energy-efficient switched rel
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