Electric vehicle charge station with energy storage device

An energy storage device and electric vehicle technology, applied in electric vehicles, electric energy storage systems, circuit devices, etc., can solve problems such as low utilization rate, large charging surge current of the grid, and large capacity of substation lines, so as to achieve large benefits and slow down The effect of grid pressure and convenient maintenance

Inactive Publication Date: 2011-01-19
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is necessary to develop a charging station solution to effectively solve a series of technical and economic problems such as the excessive charging impact current of the charging station on the grid, the excessive capacity of the substation and the line, and the low utilization rate.

Method used

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  • Electric vehicle charge station with energy storage device
  • Electric vehicle charge station with energy storage device
  • Electric vehicle charge station with energy storage device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] Charging station configuration :

[0025] figure 1 (a) is the basic structural composition diagram of the system of the present invention, in which the selection of energy storage equipment is particularly important. The energy storage device of the charging station can use a combination of supercapacitor and lithium titanate battery or a lithium titanate battery alone to form an energy storage device. Fast, high energy density, and although the energy density of the super capacitor is not high, it has a very high power density, can be charged and discharged with a large current, the charge and discharge speed is fast and the mode is simple, it is a real fast charge, and the service life long.

[0026] The AC grid power supply system is composed of a high-voltage relay protection cabinet, a three-phase transformer and a low-voltage relay protection cabinet; the high-voltage relay protection cabinet is connected between the high-voltage AC grid and the high-voltage ...

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PUM

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Abstract

The invention discloses an electric vehicle charge station with an energy storage device, which comprises an alternating current power grid, monitoring equipment, energy storage equipment and charge equipment, wherein the alternating current power grid is accessed into the input end of the energy storage equipment sequentially through a high-voltage relay protection cabinet, a three-phase transformer and a low-voltage relay protective cabinet, the output end of the energy storage equipment is connected with the input end of the charge equipment through a switch, and the monitoring equipment monitors and controls the alternating current power grid, the energy storage equipment and the charge equipment. The charge station is suitable for rapid charge of various types of electric vehicles and can effectively overcome the problem of huge current impact brought by the rapid charge to the power grid by the electric vehicle, thereby ensuring the stable operation of an electric power system. The invention has the advantages of low construction cost, simple and convenient maintenance and high economic benefit.

Description

technical field [0001] The invention relates to an electric vehicle charging station with an energy storage device, belonging to the technical field of electric vehicles and power systems. Background technique [0002] With the increasingly serious energy crisis and the gradual enhancement of people's awareness of environmental protection, clean energy vehicles have been widely developed and popularized, among which the development technology of electric vehicles is the most mature. The charging forms of electric vehicles can be mainly divided into two types: battery pack replacement and charging station / pile charging. [0003] Due to the different power requirements and sizes of vehicles, limited vehicle space and great differences in layout, it is difficult to standardize the battery pack capacity, battery pack configuration and size required by different vehicles, and the charging method of replacing the battery pack is generally applicable. A specific type of vehicle po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/02H02J15/00H02J3/28
Inventor 周克亮杨永恒邹志翔邱志鹏
Owner SOUTHEAST UNIV
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