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An electric vehicle charging method based on automatic demand response and real-time electricity price

A technology for electric vehicles and real-time electricity prices, applied in electric vehicle charging technology, electric vehicles, battery circuit devices, etc., can solve the problems of increasing electricity consumption and inability to realize peak-shaving and valley-filling of the power grid

Active Publication Date: 2018-12-25
STATE GRID TIANJIN ELECTRIC POWER +1
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no control over the charging process of electric vehicles. As long as it is connected to the mains, it will start to supply power immediately. It cannot be automatically charged when the grid is in a valley, so that it is impossible to realize peak-shaving and valley-filling of the grid.
Moreover, the electricity price is very low when the power grid is in the trough, but users do not use it during this period, which increases the cost of electricity consumption

Method used

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  • An electric vehicle charging method based on automatic demand response and real-time electricity price
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  • An electric vehicle charging method based on automatic demand response and real-time electricity price

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the following embodiments in no way limit the present invention.

[0026] An electric vehicle charging method based on automatic demand response and real-time electricity pricing, such as figure 1 shown, including the following steps in order:

[0027] 1) Collect electric vehicle battery capacity, charging power, charging efficiency, current battery storage capacity, and time-of-use electricity price data, and set charging demand adjustment thresholds;

[0028] 2) Build the load demand value model of the electric vehicle at time i, and calculate the charging load demand value D of the electric vehicle i , the electric vehicle charging load demand value D i The calculation method is:

[0029]

[0030] where K a Demand urgency for charging electric vehicles, K pm is the correction coefficient of the electric vehicle under the real-time ...

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Abstract

The invention discloses an electric vehicle charging method based on automatic demand response and real-time electricity price, which comprises the following steps in sequence: collecting battery capacity, charging power, charging efficiency, current battery storage capacity, and time-sharing electricity price data of an electric vehicle, and setting charging demand adjustment threshold; buildinga load demand value model of electric vehicle at the moment of i; performing independent charging based on the built load demand value model by the electric vehicle. Compared with the prior art, the electric vehicle charging method based on the automatic demand response and the real-time electricity price can significantly reduce the charging cost, and is of great significance for peak clipping, valley filling and power grid operation optimization.

Description

technical field [0001] The invention relates to the technical field of electric power system automatic control, in particular to an electric vehicle charging method based on automatic demand response and real-time electricity price. Background technique [0002] With the improvement of people's living standards, the degree of electrification is getting higher and higher, and the demand for electricity is getting stronger and stronger. Due to the regularity of residents' electricity consumption habits, the power load presents periodic fluctuations, especially the addition of seasonal loads such as air conditioners, which increases the peak-to-valley difference in load, coupled with the large-scale grid connection of intermittent new energy, which brings great challenges to power system scheduling and Stable operation poses great challenges. Through load demand response, optimizing residents' energy consumption behavior and reducing load peak-valley difference will help slow ...

Claims

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Application Information

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IPC IPC(8): H02J7/00H02J3/00B60L11/18
CPCH02J3/00H02J3/008H02J7/0013H02J2203/20Y02T10/70Y02T10/7072Y02T90/12
Inventor 徐玉杰翟树军袁海洲吕岳马梅胡本哲李如萍吴鸣明张轶姿张凯楠
Owner STATE GRID TIANJIN ELECTRIC POWER
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