全球电动汽车充电需求分析的城市规模和协调数据集
Zihan Guo1,2,3, Linlin You4,5, Rui Zhu6
1School of Intelligent Systems Engineering, Sun Yat-sen University, Shenzhen, China.
Scientific data
|July 17, 2025
概括
一个新的全球数据集,CHARGED,提供了六个城市的详细电动汽车 (EV) 充电数据. 该资源有助于优化运输和能源系统,通过提供对电动汽车充电需求的标准化,时空洞察.
科学领域:
- 运输工程 运输工程
- 能源系统分析 能源系统分析
- 数据科学数据科学数据科学
- 城市规划 城市规划
背景情况:
- 全球对电动汽车 (EV) 的支持日益增长,需要对充电需求进行综合运输和能源系统优化分析.
- 现有的电动汽车充电公共数据集在全球覆盖范围,时间分辨率和功能可用性方面存在局限性,阻碍了全面分析.
研究的目的:
- 为全球电动汽车充电需求分析而设计的新型,城市规模和统一的数据集CHARGED.
- 提供标准化数据,与一致的时空特征和协调的多源信息,解决当前数据集的差距.
主要方法:
- 从2023年4月1日至9月30日期间,收集了来自六个不同城市 (阿姆斯特丹,约翰内斯堡,洛杉矶,墨尔本,圣保罗,深) 的约12,000个充电站的每小时充电记录.
- 集成的核心充电指标 (持续时间,数量,电价,服务价格) 与辅助数据,包括天气变量,地理空间属性和多级静态描述符.
- 确保数据标准化,时空调整和协调多来源信息.
主要成果:
- "充电"数据集提供了详细的,每小时的见解,以了解不同大陆的电动汽车充电行为.
- 该数据集包括全面的收费指标和丰富的上下文信息,使深入分析成为可能.
- 技术验证证实了数据集对于描述用户收费需求和开发先进机器学习模型的有用性.
结论:
- CHARGED解决了对电动汽车充电需求分析的全球标准化数据集的需求.
- 数据集的丰富特征和时空覆盖范围促进了先进的研究,包括在多样化的城市环境中转移学习.
- 在电气化时代,CHARGED准备在交通和能源系统的联合优化方面取得重大进展.
相关概念视频
Continuous Charge Distributions
7.3K
Imagine a bucket of water. It contains many molecules, of the order of 1026 molecules. Thus, although it contains discrete elements (molecules) at the microscopic level, macroscopically, it can be considered continuous. Small volume elements of water, infinitesimal compared to the bulk of the bucket's volume, still contain many molecules. Under this framework, quantized matter is approximated as continuous for practical purposes.
The electric charge can also be subjected to an analogical...
The electric charge can also be subjected to an analogical...
7.3K
Batteries and Fuel Cells
28.0K
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
28.0K
Calculations of Electric Potential I
2.1K
Consider a ring of radius R with a uniform charge density λ. What will the electric potential be at point M, which is located on the axis of the ring at a distance x from the center of the ring?
The ring is divided into infinitesimal small arcs such that point M is equidistant from all the arcs. Here, the cylindrical coordinate system is used to calculate the electric potential at point M. A general element of the arc between angles θ and θ + dθ is of the...
The ring is divided into infinitesimal small arcs such that point M is equidistant from all the arcs. Here, the cylindrical coordinate system is used to calculate the electric potential at point M. A general element of the arc between angles θ and θ + dθ is of the...
2.1K
Maximum Power Flow and Line Loadability
184
The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
184
Charge and Current
3.5K
Electric charge is the most fundamental quantity in an electric circuit. The effects of electric charge are encountered daily, such as when a wool sweater sticks to the human body or when a person receives a shock while walking on a carpet.
Charge is an inherent property of the atomic particles that make up matter and is measured in units called coulombs (C). Matter is composed of atoms, each consisting of electrons, protons, and neutrons. Electrons have a negative charge (-e), while protons...
Charge is an inherent property of the atomic particles that make up matter and is measured in units called coulombs (C). Matter is composed of atoms, each consisting of electrons, protons, and neutrons. Electrons have a negative charge (-e), while protons...
3.5K
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
105
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
105


