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Microgrid scheduling method and system based on electric vehicle energy storage

A technology of electric vehicles and dispatching methods, which can be applied to energy storage, AC network load balancing, and greenhouse gas reduction. It can solve the problems of unreasonable and reliable micro-grid dispatching strategies, and achieve reasonable and reliable micro-grid dispatching strategies. The effect of accurate scheduling parameters

Active Publication Date: 2020-06-02
PINGGAO GRP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a micro-grid scheduling method and system based on electric vehicle energy storage, which is used to solve the problem that the micro-grid scheduling strategy based on electric vehicles is not reasonable and reliable in the prior art

Method used

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  • Microgrid scheduling method and system based on electric vehicle energy storage
  • Microgrid scheduling method and system based on electric vehicle energy storage
  • Microgrid scheduling method and system based on electric vehicle energy storage

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Embodiment Construction

[0048] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0049] In order to eliminate the adverse effects of large-scale electric vehicles connected to the grid, it is necessary to control and manage the charging and discharging behavior of electric vehicles in an orderly manner. Electric vehicle network access technology regards networked electric vehicles as distributed energy storage devices, uses the two-way flow of power between the grid and electric vehicles, and controls the charging and discharging of electric vehicles in an orderly manner around the centralized charging and discharging control strategy, which can improve energy efficiency. Load curve, reduce active network loss, improve the effect of power quality.

[0050] The present invention first obtains the maximum charging and discharging power of the electric vehicle in each set time period, calculates the compensation cost for the elec...

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Abstract

The invention provides a microgrid scheduling method and system based on electric vehicle energy storage, and the method comprises the steps: gathering the available charging and discharging capacities of electric vehicles into a capacity-changing storage battery model, just considering the charging and discharging powers of the electric vehicles and the specific external performances at the microgrid level, and carrying out no scheduling on each electric vehicle; aiming at the particularity of isolated island operation of the microgrid, fully considering the uncertainty of renewable energy output and power load prediction, taking the minimum microgrid operation cost as an optimization target, and proposing an optimal microgrid scheduling strategy; therefore, the method has important significance for coordinated optimization operation of the electric vehicle and renewable energy after the electric vehicle is connected into the microgrid.

Description

technical field [0001] The invention belongs to the technical field of micro-grid control and energy management systems, and in particular relates to a micro-grid scheduling method and system based on electric vehicle energy storage. Background technique [0002] With the development of society and economy, the demand for energy continues to grow, but resources such as coal and oil are increasingly depleted. At the same time, excessive emissions of pollutants and greenhouse gases produced during the production and consumption of fossil fuels have caused environmental quality degradation and ecological imbalance. In response to the dual pressures of energy and the environment, countries around the world are actively promoting the upgrading of the industrial structure of the automobile industry and the strategic transformation of the electrification of the power system in the field of transportation. Electric vehicles will become the main development trend of new energy vehic...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32
CPCH02J3/32Y02E70/30
Inventor 王铭飞韩桂全钟建英韩国辉庞素敏张亚辉赵晓民郭煜敬刘文魁李永林许兴涛李旭旭刘庆毕迎华殷爽睿刘俊
Owner PINGGAO GRP
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