Electric vehicle distributed frequency modulation control method considering charging plan optimization
A technology for electric vehicles and charging plans, which is applied in the direction of electric vehicles, electric vehicle charging technology, battery/fuel cell control devices, etc., and can solve the problems of failing to realize the orderly scheduling of a single electric vehicle and not considering the priority of electric vehicles And other issues
Active Publication Date: 2020-06-19
CHONGQING UNIV
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Problems solved by technology
When studying the control strategy of electric vehicle clusters participating in system frequency modulation, there are two issues that must be paid attention to: one is that as a means of transportation, electric vehicles must participate in frequency modulation on the premise of meeting the driving needs of vehicle owners; vehicles, it is necessary to study effective control methods for large-scale electric vehicles
However, these studies did not take into account the priority of electric vehicles in the cluster when participating in frequency regulation, and failed to achieve orderly scheduling at the level of a single electric vehicle
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[0077] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.
[0078] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...
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The invention relates to an electric vehicle distributed frequency modulation control method considering charging plan optimization, which belongs to the technical field of electric vehicle frequencymodulation. The method comprises the steps of S1 enabling an electric vehicle participating in frequency modulation service to actively report frequency modulation related information to a charging station when the electric vehicle is connected to the charging station; S2 designing a grouping conversion strategy for the vehicle participating in frequency modulation; S3 optimizing a required charging plan of the electric vehicle, and adjusting a time period for charging the electric vehicle to meet a driving requirement; S4 predicting the electric vehicle cluster frequency modulation reserve capacity in real time; S5 establishing a hierarchical distributed frequency modulation control framework; S6 allocating frequency modulation tasks in real time; and S7 performing distributed sorting onthe frequency modulation tasks of the single electric vehicle. According to the invention, on the premise that the overall frequency modulation effect is guaranteed, the centrality of the charging load of the electric vehicle is reduced; the negative effect of large-scale electric vehicle grid connection is reduced; the overall calculated amount can be reduced; the requirement for a center node islowered; and the frequency modulation reliability is improved.
Description
technical field [0001] The invention belongs to the technical field of frequency regulation of electric vehicles, and relates to a distributed frequency regulation control method of electric vehicles considering charging plan optimization. Background technique [0002] Because the battery capacity and output power of a single electric vehicle are limited, it is often adopted a model in which the aggregator manages the electric vehicle cluster in a unified manner, and then participates in the provision of frequency modulation services with the electric vehicle aggregator as a unit. When studying the control strategy of electric vehicle clusters participating in system frequency modulation, there are two issues that must be paid attention to: one is that as a means of transportation, electric vehicles must participate in frequency modulation under the premise of meeting the driving needs of car owners; Therefore, it is necessary to study effective control methods for large-sca...
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Patent Timeline
Login to View More IPC IPC(8): H02J3/24B60L53/00B60L58/12
CPCH02J3/24B60L53/00B60L58/12Y02T10/70Y02T10/7072Y02T90/14
Inventor 张谦李嫣邓小松
Owner CHONGQING UNIV