The charging pile energy storage system can be divided into four parts: the distribution network device, the charging system, the battery charging station and the real-time monitoring system . On the charging side, by applying the corresponding software system, it is possible to monitor the power storage data of the electric vehicle in the ...
Learn MoreDOI: 10.1016/j.cej.2023.146467 Corpus ID: 263819405; An aging- and load-insensitive method for quantitatively detecting the battery internal-short-circuit resistance @article{Tang2023AnAA, title={An aging- and load-insensitive method for quantitatively detecting the battery internal-short-circuit resistance}, author={Xiaopeng Tang and …
Learn MoreUnderstanding the heat transfer across energy piles is the first step in designing these systems. The thermal process goes in an energy pile, as in a borehole heat exchanger, in different stages: heat transfer through the ground, conduction through pile concrete and heat exchanger pipes, and convection in the fluid and at the interface with …
Learn MoreAs one of the seven major new infrastructures, construction of charging piles for new energy vehicles requires a large investment and a long investment chain. Charging piles are of great significance to developing new energy vehicles, and they are also an important part of the emerging digital economy such as intelligent traffic and …
Learn MoreAbstract: With the construction of the new power system, a large number of new elements such as distributed photovoltaic, energy storage, and charging piles are continuously connected to the distribution network. How to achieve the effective consumption of distributed power, reasonably control the charging and discharging power of charging …
Learn MoreNew energy electric vehicles will become a rational choice to realize the replacement of clean energy in the field of transportation; the advantages of new energy electric vehicles depend on the batteries with high energy storage density and the efficient charging technology. This paper introduces a 120-kW electric vehicle DC charger. The …
Learn MoreThis provides a data-based decision-making for investors to invest in charging piles. At the same time, it provides a convenient service environment for electric vehicle users, …
Learn MoreEarly-stage detection of the battery internal short circuit (ISC) can effectively prevent batteries from fire-related accidents. However, it is technically challenging because the current leakage signals at the beginning stage of the ISC could be submerged by the joint effect of battery aging, battery balancing, measurement noise, and highly dynamic …
Learn MoreConsistency-based methods basically evaluate the differences among cells in the pack. Ouyang et al. [6] detect the ISC by the characteristic parameters (such as the differential of the voltage and the fluctuation function of the internal resistance) of the mean-difference model (MDM) using the recursive least square (RLS) algorithm.
Learn MoreIn 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 …
Learn MoreAbstract: In order to study the ability of microgrid to absorb renewable energy and stabilize peak and valley load, This paper considers the operation modes of wind power, photovoltaic power, building energy consumption, energy storage, and electric vehicle charging piles under different climatic conditions, and analyzes the modeling and analysis of the "Wind …
Learn More1. Introduction. To alleviate the energy crisis and reduce carbon emissions, accelerating the development and promotion of electric vehicles (EV) has become a global consensus [1].Lithium-ion battery has become the preferred object of for EV vehicle battery system due to its advantages of lightweight, low discharge rate and high energy density …
Learn MoreIn 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) …
Learn MoreThis paper firstly introduces the testing purpose and development history of charging pile testing devices, secondly summarizes the main functions and working principles of …
Learn MoreElectric 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, …
Learn MoreThe main parameters of the photovoltaic-storage charging station system are shown in Table 1.The parameters of the energy storage operation efficiency model are shown in Table 2.The parameters of the capacity attenuation model are shown in Table 3.When the battery capacity decays to 80% of the rated capacity, which will not …
Learn MoreFast charging is called by A+ signal. The procedure of fast charging is complicated and over charging and temperature should be controlled to avoid accelerated degradation. 2.1 Parameter Collection. There are many parameters to describe battery performances, such as voltage, capacity, internal resistance, temperature and current.
Learn MoreThe distribution and scale of charging piles needs to consider the power allocation and environmental adaptability of charging piles. Through the multi-objective optimization modeling, the heuristic algorithm is used to analyze the distribution strategy of charging piles in the region, and the distribution of charging piles is determined to meet …
Learn MoreRead and write card: The charging pile detecting device can detect whether the charging pile can correctly read and write the IC card; Data storage: detecting whether the transaction data is ...
Learn MoreA battery management system and battery pack technology, which is applied in the directions of measuring devices, measuring electricity, measuring electrical variables, etc., can solve the problems such as the inability to effectively understand the hidden dangers of battery pack safety and the inability to obtain internal single cells, so as to avoid hidden …
Learn MoreUnder net-zero objectives, the development of electric vehicle (EV) charging infrastructure on a densely populated island can be achieved by repurposing existing facilities, such as rooftops of wholesale stores and parking areas, into charging stations to accelerate transport electrification. For facility owners, this transformation …
Learn More,, . Optimized Location of Charging Piles for New Energy Electric Vehicles[J]. Journal of Highway and Transportation Research and Development, 2022, 16(3): 103-110. YI Xiao-shi, QI Bao-chuan, YI Zheng-jun. Optimized Location of Charging Piles for New Energy Electric Vehicles.
Learn MoreStep 3: Calculate the charging pile utilization rate of the destination charging station. Calculate the charging pile utilization rate of the charging station ID p. If there are remaining charging piles, the path planning is carried out according to the Dijkstra algorithm after considering the road resistance through the BPR function.
Learn MoreThe global energy crisis and climate change, have focused attention on renewable energy. New types of energy storage device, e.g., batteries and supercapacitors, have developed rapidly because of their irreplaceable advantages [1,2,3].As sustainable energy storage technologies, they have the advantages of high …
Learn More: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 …
Learn MoreThese arcs can cause a short circuit, heat up the surrounding components, and even lead to the start of a fire. To prevent these dangers, arc fault detection devices are used to detect and interrupt the circuit when a dangerous arc is detected. Arc fault detection devices can detect single-phase arcs, multi-phase arcs, or ground faults.
Learn MoreThe traditional charging pile management system usually only focuses on the basic charging function, which has problems such as single system function, poor user experience, and inconvenient management. In this paper, the battery energy storage technology is applied to the traditional EV (electric vehicle) charging piles to build a new …
Learn MoreThe 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 …
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