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 and policy implications from the
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; Multisim software is used to build an EV charging model in order to simulate the charge control guidance module. On this basis, combined with
In recent years, electric vehicle (EV) as a new energy vehicle develops rapidly, and the number of charging piles is also increasing. When a large amount of nonlinear inductive load is connected to the power grid, it will consume a large amount of reactive power and affect the power quality and balance. Aiming at these problems, a Static Var Generator (SVG) with cascaded H-bridge is
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,...
Because of the popularity of electric vehicles, large-scale charging piles are connected to the distribution network, so it is necessary to build an online platform for monitoring charging pile operation safety. In this paper, an online platform for monitoring charging pile operation safety was constructed from three aspects: hardware, database, and software
The construction of virtual power plants with large-scale charging piles is essential to promote the development of the electric vehicle industry. In particular.
Since the smart charging piles are generally deployed in complex environments and prone to failure, it is significant to perform efficient fault diagnosis and timely maintenance
In this paper, three battery energy storage system (BESS) integration methods—the AC bus, each charging pile, or DC bus—are considered for the suppression of the distribution capacity demand
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
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
This paper identifies and analyzes these challenges, including insufficient planning and construction of charging piles, increased demand for electric energy affecting power grids, high...
This paper proposes a real-time power control strategy. Building charging piles are controlled according to the two-way demand of power grid dispatching and user charging, so that they can quickly and precisely follow the target power given by the dispatching center within the controllable range.
The construction of virtual power plants with large-scale charging piles is essential to promote the development of the electric vehicle industry. In particular.
This paper proposes a real-time power control strategy. Building charging piles are controlled according to the two-way demand of power grid dispatching and user charging, so that they
Appropriate charging resources allocation is critical to ensure charging convenience and charging station operation efficiency. However, the temporality of electric vehicle penetration, the development of charging-related technologies, and the randomness of charging behaviors bring highly spatiotemporal dynamics to the charging demands distribution in cities.
Firstly, the characteristics of electric load are analyzed, the model of energy storage charging piles is established, the charging volume, power and charging/discharging
At the current stage, scholars have conducted extensive research on charging strategies for electric vehicles, exploring the integration of charging piles and load scheduling, and proposing various operational strategies to improve the power quality and economic level of regions [10, 11].Reference [12] points out that using electric vehicle charging to adjust loads
Firstly, the characteristics of electric load are analyzed, the model of energy storage charging piles is established, the charging volume, power and charging/discharging timing constraints in the
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,
The rise and rapid development of the electric vehicle industry has made people''s dependence on electric vehicles more and higher, and the accompanying range anxiety has become an urgent problem to be solved. The existing charging infrastructure is difficult to meet the needs of users for fast replenishment. Large-scale construction of DC charging piles has caused excessive
The photovoltaic-energy storage-integrated charging station (PV-ES-I CS), as an emerging electric vehicle (EV) charging infrastructure, plays a crucial role in carbon reduction and alleviating
Various charging scenarios are designed to predict multi-period charging demands. A multi-period charging station location and capacity planning model is proposed.
Firstly, the characteristics of electric load are analyzed, the model of energy storage charging piles is established, the charging volume, power and charging/discharging timing...
Since the smart charging piles are generally deployed in complex environments and prone to failure, it is significant to perform efficient fault diagnosis and timely maintenance for them. One of the key problems to be solved is how to conduct fault prediction based on limited data collected through IoT in the early stage and develop reasonable
The MHIHHO algorithm optimizes the charging pile''s discharge power and discharge time, as well as the energy storage''s charging and discharging rates and times, to maximize the charging pile''s revenue and minimize the user''s charging costs.
Various charging scenarios are designed to predict multi-period charging demands. A multi-period charging station location and capacity planning model is proposed. Sensitivity analysis of arrival rate is conducted in M/M/c/N-based capacity planning.
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 resources during off-peak periods, reduces user charging costs by 16.83 %-26.3 %, and increases Charging pile revenue.
This paper identifies and analyzes these challenges, including insufficient planning and construction of charging piles, increased demand for electric energy affecting
The user can control the energy storage charging pile device through the mobile terminal and the Web client, and the instructions are sent to the energy storage charging pile device via the NB network. The cloud server provides services for three types of clients.
Design of Energy Storage Charging Pile Equipment The main function of the control device of the energy storage charging pile is to facilitate the user to charge the electric vehicle and to charge the energy storage battery as far as possible when the electricity price is at the valley period.
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; Multisim software is used to build an EV charging model in order to simulate the charge control guidance module.
The simulation results of this paper show that: (1) Enough output power can be provided to meet the design and use requirements of the energy-storage charging pile; (2) the control guidance circuit can meet the requirements of the charging pile; (3) during the switching process of charging pile connection state, the voltage state changes smoothly.
On the one hand, the energy storage charging pile interacts with the battery management system through the CAN bus to manage the whole process of charging.
The charging pile determines whether the power supply interface is fully connected with the charging pile by detecting the voltage of the detection point. Multisim software was used to build an EV charging model, and the process of output and detection of control guidance signal were simulated and verified.
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