摘要
本文围绕换电站与大功率快充充电桩在贵州电动重卡应用中的情况展开研究.首先阐述研究背景、目的和方法,包括数据收集、调研和理论分析.接着分别分析换电站和大功率快充充电桩的优劣势,换电站在占地面积、换电效率、对电网和电池友好等方面有优势,但前期建设成本高、运营管理复杂、服务范围有限;大功率快充充电桩占地面积小、技术成熟兼容性好、建设成本低、适用范围广,但对电网影响大、损害电池、充电效率受环境和车辆因素影响.最后根据不同区域(火电及煤炭行业集中地区、物流行业集中区域、矿山企业区域)提出充换电基础设施的布局建议.
Abstract
This paper focuses on the application of battery swap stations and high-power fast charging piles in the application of electric heavy trucks in Guizhou.First,the background,objectives and methods of the study are described,including data collection,research and theoretical analysis.Then,the advantages and disadvantages of battery swap stations and high-power fast charging piles were analyzed,and the battery swap stations had advantages in terms of floor space,battery swap efficiency,and friendliness to the power grid and battery,but the early construction cost was high,the operation and management were complex,and the service scope was limited.High-power fast charging piles occupy a small area,mature technology,good compatibility,low construction cost,and wide range of application,but they have a great impact on the power grid,damage the battery,and the charging efficiency is affected by environmental and vehicle factors.Finally,according to different regions(thermal power and coal industry concentration areas,logistics industry concentration areas,mining enterprise areas),the layout of charging and swapping infrastructure is proposed.
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