Economic evaluation of a PV combined energy storage charging station
Recycling of a large number of retired electric vehicle batteries has caused a certain impact on the environmental problems in China. In term of the necessity of the re-use of retired electric vehicle battery and the capacity allocation of photovoltaic (PV) combined energy storage stations, this paper presents a method of economic estimation for a PV charging
CN115754805A
The application is suitable for the technical field of charging piles, and provides a charging pile electric leakage detection method and electronic equipment, wherein the method...
A method of chained recommendation for charging
With the popularization of new energy electric vehicles (EVs), the recommendation algorithm is widely used in the relatively new field of charge piles. At the same time, the construction of charging infrastructure is facing
CN213892234U
The utility model discloses a AC leakage protection circuit for car fills electric pile, its characterized in that: the FM2147 chip comprises an FM2147 chip, wherein an IN1 pin of the FM2147 chip is respectively connected with one end of a capacitor C68, one end of a capacitor C7 and one end of a resistor R3, and the other end of the resistor R3 is respectively
CN117686160A
The invention relates to the technical field of liquid leakage detection of a flow battery energy storage system, and discloses a liquid leakage detection and collection method of a flow battery energy storage system electric pile, which comprises the following steps: placing and fixing the electric stacks on a support bracket and numbering a plurality of electric stacks; step two:
Zero-Carbon Service Area Scheme of Wind Power Solar Energy Storage
60 kW fast charging piles. The charging income is divided into two parts: (1) Electricity charge: it is charged according to the actual electricity price of charging pile, namely the industrial TOU price; (2) Charging service fee: 0.4–0.6 yuan per KWH, and 0.45 yuan is temporarily considered.
Preventive maintenance decision model of electric vehicle
The experimental results show that the accuracy of this method in preventive maintenance decision-making for electric vehicle charging piles can reach 98%, with an
EV fast charging stations and energy storage technologies: A
The procedure to delivers power after checking the connection with the EV and after approval of the user runs with radio frequency identification (RFID). An LCD screen, shown in Fig. 16, provides an interface for the user that can know charging time, charging energy and SOC of the storage system of the EV.
CN112582978A
The invention provides an electric leakage protection method, an electric leakage protection device and a charging pile, wherein the method comprises the following steps: dividing the residual current signal of the whole period into two residual current signals of half periods in an average way, and correspondingly inputting the two residual current signals of
A coupled thermo-hydro-mechanical model for evaluating air leakage
Compressed air energy storage (CAES) is one of the most promising large-scale energy storage technologies [11, 12] g. 1 describes a general concept of CAES plant, where CAES utilizes surplus electricity or renewable energy to compress air and then deposit it into an underground cavern or a porous reservoir [[13], [14], [15]].When electricity supply cannot
Optimal operation of energy storage system in photovoltaic-storage
It is indicating that the decision-making problem of energy storage charging and discharging in an uncertain environment can be effectively solved by the TD3 algorithm used in method 1. The energy storage charge and discharge power and SOC are solved in method 4 without considering the energy storage operation loss, and then the energy storage
Optimizing microgrid performance:
At present, renewable energy sources (RESs) and electric vehicles (EVs) are presented as viable solutions to reduce operation costs and lessen the negative environmental
Accident analysis of Beijing Jimei Dahongmen 25 MWh DC solar-storage
charging piles and energy storage. For the energy storage system, handheld . The accumulated heat due to the leakage current in battery cabinets, cables et al. may cause local high temperatures, leading to potential fire of the batteries as a safety risk. (6) View from the scene, the fire accident occurred in the south area first.
Research on the Fault Diagnosis Method of Automotive Charging
In order to improve the situation that the fault data set of electric vehicle charging pile has unbalanced data distribution under each fault and the small amount of data
Optimized operation strategy for energy storage charging piles
The proposed method reduces the peak-to-valley ratio of typical loads by 52.8 % compared to the original algorithm, effectively allocates charging piles to store electric power
CN115389970A
The invention relates to a method and a device for testing electric leakage of a charging pile of an electric automobile, computer equipment and a storage medium, wherein the method...
Configuration of fast/slow charging piles for multiple microgrids
This paper presents a two-layer optimal configuration method of EVs fast/slow charging piles in multi-microgrids considering climbing cost and netload fluctuation rate. A probabilistic capacity planning methodology for plug-in electric vehicle charging lots with on-site energy storage systems. Journal of Energy Storage, 32, 101730. (Open in
Preventive maintenance decision model of electric vehicle charging pile
The experimental results show that the accuracy of this method in preventive maintenance decision-making for electric vehicle charging piles can reach 98%, with an average preventive maintenance decision-making time of 1.6 s for load piles. At the same time, the risk probability value and load loss value are effectively controlled.
Schedulable capacity assessment method for PV and
In Section 3, a schedulable capacity evaluation method for EVs and charging stations is developed. Case study results are presented in Section 4. Finally, the paper is concluded in Section 5. The battery for energy
Comprehensive Evaluation of AC-DC Distribution Network in
Increasing studies have shown that DC distributi on will contribute substantially to future photovoltaic-energy st orage charging station (PV-ES CS) owing to the high efficiency and play an important role in distribution networks. It is neces sary to comprehensively compare low voltage DC (LVDC) with AC (LVAC) distribution networks for planning and design of PV-ES CS. This
A quantitative internal-short-circuit diagnosis method of lithium
Finally, the method is verified through simulation and experiments, and the results show that an ISC of 0–500 Ω can be detected in various scenarios, and the proposed methods are low-cost, high-precision, and easy to implement for early ISC diagnosis of float charging systems for energy storage.
Energy storage charging pile and charging system
TL;DR: In this paper, a mobile energy storage charging pile and a control method consisting of the steps that when the mobile ESS charging pile charges a vehicle through an energy storage battery pack, whether the current state of charge of the ESS battery pack is smaller than a preset electric quantity threshold value or not is detected in real time; if the current status of the
Comprehensive benefits analysis of electric vehicle charging
Based on the cost-benefit method (Han et al., 2018), used net present value (NPV) to evaluate the cost and benefit of the PV charging station with the second-use battery energy storage and concluded that using battery energy storage system in PV charging stations will bring higher annual profit margin. However, the above study only involves the economic
Photovoltaic-energy storage-integrated charging station
As shown in Fig. 1, a photovoltaic-energy storage-integrated charging station (PV-ES-I CS) is a novel component of renewable energy charging infrastructure that combines distributed PV, battery energy storage systems, and EV charging systems. The working principle of this new type of infrastructure is to utilize distributed PV generation devices to collect solar
Review on the risk and treatment of electric vehicle charging pile
As the power supply source for electric vehicles, charging piles have caused frequent safety accidents due to electric leakage in recent years, which has attrac
CN115389970A
The invention relates to a method and a device for testing electric leakage of a charging pile of an electric automobile, computer equipment and a storage medium, wherein the method comprises the following steps: starting a charging pile and acquiring the type information of the charging pile; configuring a test item for the charging pile according to the type information of the charging
CN117686160A
The invention relates to the technical field of liquid leakage detection of a flow battery energy storage system, and discloses a liquid leakage detection and collection method of a flow...
SiC based AC/DC Solution for Charging Station and Energy Storage
Solution for Charging Station and Energy Storage Applications JIANG Tianyang Industrial Power & Energy Competence Center AP Region, STMicroelectronics. Agenda 2 1 Charging stations 2 Energy Storage 3 STDES-VIENNARECT DC charging pile 5 Power Module 15 - 60kW Charging Pile 60 - 350kW
New energy vehicle charging pile and using method thereof
A technology for new energy vehicles and charging piles, applied in electric vehicle charging technology, charging stations, electric vehicles, etc., can solve problems such as damage to charging piles, leakage and electric shock, etc.
A comprehensive review on advanced charging topologies and
The rise of greenhouse gas levels in the atmosphere is a severe climate change concern. A significant part, such as CO 2 emission, comes from internal combustion engine-driven vehicles, incited the automotive sector to focus more on the sustainable electric transportation system. However, electric vehicles face significant charging time, charging methods, and
New-energy vehicle charging pile with waterproof and
A new energy vehicle and charging pile technology, applied in electric vehicle charging technology, charging stations, electric vehicles, etc., can solve the problems of insulation damage, leakage, charging pile damage, etc.,
Maintenance Strategy Research of Public Charging Station for
With the rapid growth of the number of electric vehicles, to promote the efficiency of charging station maintenance, a method based on risk assessment is proposed. With the
CN112582978B
The invention provides an electric leakage protection method, an electric leakage protection device and a charging pile, wherein the method comprises the following steps: dividing the residual current signal of the whole period into two residual current signals of half periods in average, and respectively and correspondingly inputting the two residual current signals of half
Multi-agent modeling for energy storage charging station
Incorporation of renewable energy, such as photovoltaic (PV) power, along with energy storage systems (ESS) in charging stations can reduce the high load taken from the grid especially at peak times, however, the intermittent nature of renewable energy sources negatively impacts the grid parameters such as voltage, frequency, and reactive power [3]. With the
Simultaneous capacity configuration and scheduling optimization
The implementation of an optimal power scheduling strategy is vital for the optimal design of the integrated electric vehicle (EV) charging station with photovoltaic (PV) and battery energy storage system (BESS). However, traditional design methods always neglect accurate PV power modeling and adopt overly simplistic EV charging strategies, which might
Fundamental understanding of charge storage mechanism
An electrochemical energy storage device has a double-layer effect that occurs at the interface between an electronic conductor and an ionic conductor which is a basic phenomenon in all energy storage electrochemical devices (Fig. 4.6) As a side reaction in electrolyzers, battery, and fuel cells it will not be considered as the primary energy storage
A new energy vehicle charging pile
A technology of new energy vehicles and charging piles, which is applied in the direction of electric vehicle charging technology, charging stations, electric vehicles, etc., and can solve problems such as damage to vehicle charging piles, leakage of electricity, and unfavorable safety
Energy Storage Technology Development Under the Demand
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 charging process in
Energy Storage Technology Development Under the Demand
the Charging Pile Energy Storage System as a Case Study Lan Liu1(&), Molin Huo1,2, Lei Guo1,2, Zhe Zhang1,2, and Yanbo Liu3 method in this scenario, and find a relatively optimal strategy in terms of grid stability, user''s electricity cost, and user satisfaction. In demand-side management, from load