Electric automobile interactive response control method taking distributed power consumption into consideration under micro power grid

A technology of distributed power supply and electric vehicle, which is applied in the direction of electric vehicle, electric vehicle charging technology, charging station, etc., can solve the problems of poor control effect and low level of photoelectric consumption.

Active Publication Date: 2016-12-14
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0005] In order to overcome the shortcomings of low photoelectric consumption level and poor control effect of the existing grid-connected microgrid containing EV and high-permeability photoelectricity, the present

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  • Electric automobile interactive response control method taking distributed power consumption into consideration under micro power grid
  • Electric automobile interactive response control method taking distributed power consumption into consideration under micro power grid
  • Electric automobile interactive response control method taking distributed power consumption into consideration under micro power grid

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Embodiment Construction

[0055] The present invention will be further described below in conjunction with the accompanying drawings.

[0056] refer to Figure 1 to Figure 5 , an electric vehicle interactive response control method considering the consumption of distributed power sources under a microgrid, the control method includes the following steps:

[0057] Step 1: Discretize the continuous 24h time in a day, and divide it into J time periods. For any kth time period, there is k∈{1,2,...,J}, and the duration of the kth time period is Δt ;

[0058] Step 2: When the electric vehicle is connected to the No. l (l=1, 2, ..., n, hereinafter referred to as electric vehicle 1) charging and discharging facility, the charging facility reads the access time of the electric vehicle, and the initial state of the battery ( State of Charge, SOC)S 0,l , and 0≤S 0,l ≤1;

[0059] Step 3: The owner enters the expected departure time T of vehicle l out,l and the desired state of charge S when leaving E,l , an...

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Abstract

An electric automobile interactive response control method taking distributed power consumption into consideration under a micro power grid is disclosed. The method includes the steps of S1, conducting discretization processing for continuous 24-hour time in one day, S2, recording battery information and client charging demand information of newly added electric automobiles by charge and discharge facilities, setting the initial time as an accessing time, S3, reading load information of the current moment, S4, predicting photovoltaic output, S5, developing a virtual electricity price mechanism based on the photovoltaic output and load supply and demand situation in combination with real time electricity price and inclination blocking probability, S6, converting maximized photoelectric consumption target under the guidance of the virtual electricity prices, solving a target function, and making charging and discharging plan of electric automobiles in a time length T, S7, various electric automobiles conducting power consumption, idling and discharging operation at the current moment according to the control strategy, updating prediction model information and uploading control information, and S8, repeating S3-S7 until all vehicles departing from the charging facility. The photoelectric consumption level is high, and the control effect is good.

Description

technical field [0001] The invention belongs to the field of orderly control of electric vehicles, and in particular relates to an interactive response control method for electric vehicles considering the consumption of distributed power sources under a microgrid. Background technique [0002] As an effective buffer for renewable energy sources (RES) to be connected to the distribution network, the microgrid can realize its grid-connected or isolated operation by virtue of its own key technologies such as operation control and energy management, and can make full use of distributed energy resources. Renewable energy, reducing the adverse impact of intermittent distributed power generation on the distribution network, and improving the reliability of power supply and power quality, has received extensive attention. With the continuous integration of RES (such as wind power and photovoltaics), the impact of uncertainty in its output on the optimal operation of microgrids is be...

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Application Information

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IPC IPC(8): H02J3/38B60L11/18
CPCB60L53/00H02J3/008H02J3/383Y02E10/56Y02T10/70Y02T10/7072Y02T90/14
Inventor 张有兵杨晓东任帅杰蒋杨昌谢路耀翁国庆
Owner ZHEJIANG UNIV OF TECH
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