Battery replacing and charging optimization control method of electric automobile charging and replacing power station
A technology for electric vehicles and charging and swapping stations, which is applied in the direction of electric vehicles, battery circuit devices, collectors, etc., can solve problems such as shortening the service life of batteries, peak and valley load differences in distribution networks, and overloading of distribution network lines to achieve improved Service life, improvement of economic benefits, and the effect of improving economy
Active Publication Date: 2012-06-13
TSINGHUA UNIV
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Problems solved by technology
In particular, it solves the adverse effects of overloading of distribution network lines caused by excessive charging load, voltage drop, overload of distribution transformers, and aggravated peak-valley load difference of distribution network, and solves the shortcomings of high-power charging and unbalanced shortening of battery life
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[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0021] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element refe...
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The invention provides a battery replacing and charging optimization control method of an electric automobile charging and replacing power station. The method comprises the following steps that: vehicle information, standby battery information and electricity price information of a vehicle group are input; according to the vehicle information, an operation time segment and a non-operation time segment of the vehicle group are obtained as well as the operation time segment and the non-operation time segment are respectively divided into a plurality of time segments by using different time segment lengths; on the basis of the vehicle information, a simulated vehicle group module is established to obtain departure time and arriving time of each vehicle as well as first electricity quantity information is obtained; according to the first electricity quantity information and preset second electricity quantity information, replacing time of the battery and residual third electricity quantity information during the replacing are obtained, and thus a battery replacing advantage algorithm is employed to obtain a battery replacing schedule by combing the standby battery information; a charging control matrix CM*T is constructed according to the battery replacing schedule and the electricity price information; and according to the charging control matrix CM*T, a charging power is controlled. According to the embodiment of the invention, battery service life is effectively improved; and moreover, a peak valley load difference of a power distribution network is reduced and economic benefits are improved.
Description
technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a battery pack replacement and charging optimization control method of a charging and replacing station for electric vehicles. Background technique [0002] In recent years, with the promotion of energy conservation and emission reduction and the electrification of vehicles, the charging behavior of large-scale electric vehicles in the future will have a greater impact on the power grid, and its energy storage characteristics will also provide new opportunities for the safe and economic operation of the power system . [0003] The charging methods of electric vehicles are mainly divided into charging mode and battery replacement mode. Electric vehicle battery pack replacement stations provide battery replacement services for electric vehicles. The charging and swapping mode refers to the battery pack replacement station that has both battery pack charging and battery ...
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IPC IPC(8): H02J7/00
Inventor 阳岳希胡泽春吴俊阳宋永华董旭柱罗卓伟雷金勇陈柔伊
Owner TSINGHUA UNIV
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