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Orderly charging system and method for electric taxi charging station

A charging system, taxi technology, applied in secondary battery charging/discharging, electric vehicles, battery circuit devices, etc., can solve problems such as three-phase load imbalance

Inactive Publication Date: 2015-05-20
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] Aiming at the single-phase charging mode of electric taxis, the unbalance of three-phase loads is likely to be caused, thereby causing the power quality problems of the power supply busbar of the charging station and the upper substation, and proposes an orderly charging system for electric taxi charging stations and method

Method used

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  • Orderly charging system and method for electric taxi charging station
  • Orderly charging system and method for electric taxi charging station
  • Orderly charging system and method for electric taxi charging station

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Embodiment Construction

[0087] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0088] like figure 1 As shown, the system consists of battery management system 2, charger 3, charging pile 4, SCADA system / PQ monitoring system 5, orderly charging control center 6 and battery charging information database 7.

[0089] like figure 2 As shown, the ordered charging control center 6 is composed of a background load prediction module 8, a background load data correction module 9, an optimal charging phase selection module 10, an optimal charging start time calculation module 11, a plug and charge mode module 12, and an adjustable Character judgment module 13 and battery charging power prediction module 14 are formed; The effect of these several modules is as follows:

[0090](1) Background load forecasting module: In order to ensure that load forecasting covers the entire low load period, the background load forecasting module predict...

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Abstract

The invention relates to an orderly charging system and method for an electric taxi charging station, and belongs to the field of intelligent power grid control. The system is composed of a battery management system, a batter charger, a charging point, an SCADA (supervisor control and data acquisition) system / a PQ (performance quality) monitoring system, an orderly charging control center and a batter charging information database. According to the background load of a to-be-predicted power grid and the demand on the charging power of an electric taxi, the optimal charging start time and the optimal charging phase plan are formulated for each electric taxi, and the electric power of the power grid at a valley period is fully utilized for charging a power battery of the electric taxi, so that the load of a superior transformer substation can be adjusted, the difference between the peak and the valley can be relieved, the load fluctuation of the power grid can be restrained, and the economy and the efficiency of the power grid are improved. Meanwhile, according to the single phase charging manner of the taxi, the optimal charging phase can be selected via the system, so the unbalance of the three-phase load can be reduced.

Description

technical field [0001] The invention relates to an orderly charging system and method for an electric taxi charging station, which belongs to the field of smart grid control. Background technique [0002] With the development of the government's ten-city, thousand-vehicle project, the number of electric vehicles has increased significantly. The operating cost of electric taxis is lower than that of fuel vehicles, and it has become a trend in the taxi industry to use electric vehicles to replace fuel vehicles. As an adjustable load, the charging load of electric taxi batteries can stabilize the load fluctuation of the grid, and orderly charging can avoid the large-scale impact of centralized charging on the grid after the scale of electric taxis. [0003] The difference between the power battery charging load of electric taxis and other electricity loads lies in the difference between the time of connecting to the grid and the actual charging time, which makes it adjustable ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00H01M10/44
CPCY02E60/10
Inventor 陶顺李秋硕张曦予肖湘宁温剑锋唐亚迪黄浩李科
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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