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Distributed real-time energy distribution method for multiple electric vehicles in a microgrid system

A distributed real-time, electric vehicle technology, applied in electric vehicle charging technology, electric vehicles, vehicle energy storage, etc., can solve the problems of expensive chemical batteries and micro-grid costs, reducing energy waste, reducing electricity purchases, methods easy effect

Active Publication Date: 2021-04-02
DONGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is because the traditional chemical batteries in the microgrid are not only expensive, but also require a lot of cost to maintain. The adjustment shows that the energy storage system needs to consume one-third of the cost of the microgrid.

Method used

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  • Distributed real-time energy distribution method for multiple electric vehicles in a microgrid system
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  • Distributed real-time energy distribution method for multiple electric vehicles in a microgrid system

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Embodiment Construction

[0026] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0027] Embodiments of the present invention relate to a distributed real-time energy distribution method for multiple electric vehicles in a microgrid system. Such as figure 1 As shown, the method is based on a microgrid system including electric vehicles, renewable energy, combined heat and power, and heat storage devices, which can optimize the total cost of the microgrid system. The system can be applied to office building...

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Abstract

The invention relates to a distributed real-time energy allocation method of multiple electric vehicles in a microgrid system. The distributed real-time energy allocation method comprises the following steps of planning system cost optimization problem according to mobility of the electric vehicles, battery loss of the electric vehicles and real-time electricity price of a microgrid, wherein the system cost optimization problem takes minimum system cost as a target function of target planning; converting the planned problem so that the problem becomes a form which can be solved by a Lyapunov optimization method; and processing the converted problem by the Lyapunov optimization method to obtain an optimization control strategy. By the distributed real-time energy allocation method, the system cost can be reduced without any statistic data in the system.

Description

technical field [0001] The invention relates to the technical field of microgrid energy distribution, in particular to a distributed real-time energy distribution method for multiple electric vehicles in a microgrid system. Background technique [0002] Microgrid is an important part of the future smart grid, and its structure mainly includes distributed energy sources, such as various distributed power sources (such as wind energy, solar energy, fuel cells and cogeneration systems, etc.) and distributed energy storage devices (such as flywheel energy storage, electric vehicles and chemical batteries, etc.). The extensive use of microgrids in the power grid can enhance the reliability of the distribution network, increase the penetration rate of renewable energy and improve energy utilization. [0003] In the microgrid, the distributed energy storage device is an important part, which can smooth the output power fluctuation, improve the utilization rate of renewable energy,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00H02J3/32B60L55/00B60L53/64
CPCB60L53/64B60L55/00H02J3/00H02J3/008H02J3/32H02J2203/20Y02T10/70Y02T10/7072Y02T90/12
Inventor 张光林吴长乐曹永胜张文倩李德敏
Owner DONGHUA UNIV
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