DOI: 10.1109/ICCMC48092.2020.ICCMC-000157 Corpus ID: 216103888; Fault Detection of Electric Vehicle Charging Piles Based on Extreme Learning Machine Algorithm @article{Gao2020FaultDO, title={Fault Detection of Electric Vehicle Charging Piles Based on Extreme Learning Machine Algorithm}, author={Xinming Gao and Gaoteng Yuan and …
The battery system, as the core energy storage device of new energy vehicles, faces increasing safety issues and threats. An accurate and robust fault diagnosis technique is crucial to guarantee the safe, reliable, and robust operation of lithium-ion batteries. However, in battery systems, various faults are difficult to diagnose and isolate …
Short-circuiting of batteries. For instance, short-circuiting of Li-ion batteries are the most common cause of thermal runaway. This can happen due to overcharge or overvoltage leading to electrolyte decomposition as a result of the formation of gases such as H 2, CO 2, or CO, and destabilization of cathode due to release of O 2 addition, …
In recent years, as the energy crisis and the ecological crisis intensify, people have begun to explore new means of transportation to replace traditional fuel vehicles [].The advent of electric vehicles (EV) provides effective solutions for energy conservation and environmental protection, becoming a research hotspot for academics …
The energy storage charging pile achieved energy storage benefits through charging during off-peak periods and discharging during peak periods, with benefits ranging from 699.94 to 2284.23 yuan (see …
With the increase of fire problems of new energy vehicles (EVs), more and more attention has been paid to charging safety. Firstly, the charging safety problems and protection strategies in the power grid are summarized from the grid side, the charging equipment side, the vehicle side, and the operation platform side, and a solution for the …
The construction of public-access electric vehicle charging piles is an important way for governments to promote electric vehicle adoption. The endogenous relationships among EVs, EV charging piles, and public attention are investigated via a panel vector autoregression model in this study to discover the current development rules …
The open-circuit fault in electric vehicle charging stations not only impacts the power quality of the electrical grid but also poses a threat to charging safety. Therefore, it is of great significance to study open-circuit fault diagnosis for ensuring the safe and stable operation of power grids and reducing the maintenance cost of charging stations. This …
In this paper, the battery energy storage technology is applied to the traditional EV (electric vehicle) charging piles to build a new EV charging pile with …
Based on the analysis of the factors affecting the planning of electric vehicle charging piles and the spatial distribution characteristics of electric vehicles, this paper …
In this paper, the battery energy storage technology is applied to the traditional EV (electric vehicle) charging piles to build a new EV charging pile with …
Moreover, a coupled PV-energy storage-charging station (PV-ES-CS) is a key development target for energy in the future that can effectively combine the advantages of photovoltaic, energy storage and electric vehicle charging piles, and make full use of them [5]. The photovoltaic and energy storage systems
The open-circuit fault in electric vehicle charging stations not only impacts the power quality of the electrical grid but also poses a threat to charging safety. Therefore, it is of great significance to study open-circuit fault diagnosis for ensuring the safe and stable operation of power grids and reducing the maintenance cost of charging stations.
Electric vehicles are developing prosperously in recent years. Lithium-ion batteries have become the dominant energy storage device in electric vehicle application because of its advantages such as high power density and long cycle life. To ensure safe and efficient battery operations and to enable timely battery system maintenance, …
In this paper, the battery energy storage technology is applied to the traditional EV (electric vehicle) charging piles to build a new EV charging pile with integrated charging, discharging, and storage; …
The method proposed in this paper can make use of the real-time state parameters measured by the measuring equipment of the charging pile itself to judge its fault …
Ma and Wang [35] proposed using energy piles to store solar thermal energy underground in summer, which can be retrieved later to meet the heat demands in winter, as schematically illustrated in Fig. 1.A mathematical model of the coupled energy pile-solar collector system was developed, and a parametric study was carried out. The …
DOI: 10.1109/ICPET59380.2023.10367543 Corpus ID: 266602782; Hybrid Assessment Method for Health Status of Charging piles Based on AHP and Entropy Weighting @article{Liu2023HybridAM, title={Hybrid Assessment Method for Health Status of Charging piles Based on AHP and Entropy Weighting}, author={Shuangxi Liu and …
Abstract: With the application of the Internet of Things (IoT), smart charging piles, which are important facilities for new energy electric vehicles (NEVs), have become an important part of the smart grid. Since the smart charging piles are generally deployed in complex environments and prone to failure, it is significant to perform efficient …
PDF | The traditional charging pile management system usually only focuses on the basic charging function, which has problems such as single system... | Find, read and cite all ...
During the charging process of the electric vehicle (EV), a spontaneous combustion accident may occur due to overheating of the battery, causing personal danger and property damage. To address the charging safety of EVs, this paper proposes a new hybrid EV charging process early warning protection method by combining …
:As the world''s largest market of new energy vehicles, China has witnessed an unprecedented growth rate in the sales and ownership of new energy vehicles. It is reported that the sales volume of new energy passenger vehicles in China reached 2.466 million, and ownership over 10 million units in the first half of 2022.. The …
With the increasing number of electric vehicles, V2G (vehicle to grid) charging piles which can realize the two-way flow of vehicle and electricity have been put into the market on a large scale, and the fault maintenance of charging piles has gradually become a problem. Aiming at the problems that convolutional neural networks (CNN) are …
Abstract: With electric cars, large-scale development, in order to make the electric vehicles charging more convenient and efficient, public charging piles began to be used on a large scale. However, traditional fault detection methods are still used in charging piles, which makes the detection efficiency low.
2. Considering the optimization strategy for charging and discharging of energy storage charging piles in a residential community. In the charging and discharging process of the charging piles in the community, due to the inability to precisely control the charging time periods for users and charging piles, this paper divides a day into 48 time …
In addition, as concerns over energy security and climate change continue to grow, the importance of sustainable transportation is becoming increasingly prominent [8].To achieve sustainable transportation, the promotion of high-quality and low-carbon infrastructure is essential [9].The Photovoltaic-energy storage-integrated …
Abstract: With electric cars, large-scale development, in order to reduce the potential safety hazard in the process of electric vehicle charging, in this paper, by analyzing the power battery, charging pile, power supply equipment integration between safety mechanism, puts forward the integration of fault logic judgment business process, established a …
In this section, the method to predict cycle life and RUL of the battery is introduced in detail. Firstly, the construction of Depthwise Separable 3D Convolutional Network Model Fusing Channel Attention is described step by step. Secondly, the cycle life and RUL prediction method based on charging and discharging features are introduced.
The workload of daily operation, maintenance and testing of charging facilities is huge, and the on-site testing management mode is still dominated by manual recording of testing data, lacking intelligent detection and fault analysis means. In this paper, the characteristics of AC and DC charging pile faults are analyzed, and a real-time monitoring method of …
In summary, scholars have proposed many battery fault diagnosis methods with different principles and advantages for faults such as capacity degradation, insulation resistance fault, thermal runaway, voltage fault and short circuit in the battery system, as shown in Fig. 1.However, these studies still have some common deficiencies.
Reference 5 developed a distributed energy management system based on multiagent system for efficient charging of electric vehicles. The energy management system proposed by this method reduces the peak charging load and load change of electric vehicles by about 17% and 29% respectively, without moving and delaying the …
The battery energy storage technology is applied to the traditional EV (electric vehicle) charging piles to build a new EV charging pile with integrated charging, discharging, and storage; Multisim software is used to build an EV charging model in order to simulate the charge control guidance module. The traditional charging pile …
This paper analyzes the typical communication protocol faults in the charging pile software system, studies the software reliability test method of the charging piles based on the software fault injection test, and designs and realizes the practical test method and content, which provides a technical hand for theSoftware reliability test of …