What is a charging pile? Charging pile is a replenishing device that provides electricity for electric vehicles. Its function is similar to the refueling machine in the gas station, which can be fixed on the ground or the wall, installed in public buildings (charging stations, shopping malls, public parking lots, etc.) and residential parking lots, and can charge various
The wide deployment of charging pile energy storage systems is of great significance to the development of smart grids. Through the demand side management, the effect of stabilizing grid fluctuations can be achieved.
The wide deployment of charging pile energy storage systems is of great significance to the development of smart grids. Through the demand side management, the effect of stabilizing grid fluctuations can be achieved. Stationary household batteries, together with electric vehicles connected to the grid through charging piles, can not only store electricity, but
Juhang is a professional engaged in complete sets of electrical equipment, cabinet, charging pile, energy storage power station, intelligent lighting equipment research and development, production, sales, installation, maintenance as one
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 Charging Station (PV-ES-I CS) is a
Internal fault of the charging pile: Damaged charging module, failed control circuit, abnormal cooling system, etc., can affect the normal operation of the charging pile.
Compared to AC charging piles, DC charging piles have higher failure rates due to more components, larger operating power, and long-term outdoor exposure. Currently,
Compared to AC charging piles, DC charging piles have higher failure rates due to more components, larger operating power, and long-term outdoor exposure. Currently, preliminary operation and maintenance work has been carried out, but there are still issues such as rough planning, excessive dependence on experience, and unclear targets.
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 maintenance system established, the charging facility failure model is developed.
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
By establishing a preventive maintenance decision model for electric vehicle charging piles, potential faults can be identified in a timely manner and appropriate maintenance measures can be taken, thereby improving the
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
A comprehensive maintenance strategy for a charging network that can interact with EVs does not exist. Most research of charging networks focuses on several specific
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
The wide deployment of charging pile energy storage systems is of great significance to the development of smart grids. Through the demand side management, the effect of stabilizing grid fluctuations can be achieved.
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,
Table 1 Charging-pile energy-storage system equipment parameters Component name Device parameters Photovoltaic module (kW) 707.84 DC charging pile power (kW) 640 AC charging pile power (kW) 144 Lithium battery energy storage (kW·h) 6000 Energy conversion system PCS capacity (kW) 800 The system is connected to the user side through the inverter
Internal fault of the charging pile: Damaged charging module, failed control circuit, abnormal cooling system, etc., can affect the normal operation of the charging pile. Battery fault: Aging...
This paper proposes a charging pile historical maintenance data based on cloud storage, as well as charging pile brand, model, environmental temperature and humidity indexes. The
This paper introduces a DC charging pile for new energy electric vehicles. The DC charging pile can expand the charging power through multiple modular charging units in parallel to improve the charging speed. Each charging unit includes Vienna rectier, DC transformer, and DC converter. The feasibility of the DC charging pile and the eectiveness of
The 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 EV charging pile with integrated
By establishing a preventive maintenance decision model for electric vehicle charging piles, potential faults can be identified in a timely manner and appropriate maintenance measures can be taken, thereby improving the reliability and service quality of the charging piles.
3.3 Design Scheme of Integrated Charging Pile System of Optical Storage and Charging. There are 6 new energy vehicle charging piles in the service area. Considering the future power construction plan and electricity consumption in the service area, it is considered to make use of the existing parking lots and reserve 20%-30% of the number of
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
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...
This paper proposes a charging pile historical maintenance data based on cloud storage, as well as charging pile brand, model, environmental temperature and humidity indexes. The membership degree of each index is
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
Situation 1: If the charging demand is within the load''s upper and lower limits, and the SOC value of the energy storage is too high, the energy storage will be discharged, making the load of the charging piles near to the minimum limit of the electrical demand; If the SOC value of energy storage is within the standard range at this time, the energy storage will
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.
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.
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 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.
Combined with the fault degree, maintenance experience, and expert analysis of the charging pile, the state classification strategy is given. Each indicator of the charging pile is standardized according to the threshold level of the operating state.
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.
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