Automatic charging control system and method for household electric vehicles used in residential quarters

Abstract

The invention belongs to the technical field of electromobile charging, and particularly relates to an automatic charging control system and method used for a domestic electromobile in a residential area. According to the statistical utilization rule of electromobiles in the residential area and the household demand rule of the residential area, the day maximum power of the electricity load of the residential area is computed by the adoption of a time sequence simulation method, and the lambda value corresponding to the minimum value of the day maximum power is sleeved to serve as the proportion of the number of vehicles on which valley period positive sequence charging is conducted and the number of vehicles on which valley period reverse sequence charging is conducted; the required time spent in conventional charging is worked out by reading the electromobile battery state through a charging detection interface; according to the demand of users for vehicles obtained through a user interface and the lambda value, a charging strategy is generated, a timing charging command is sent to a timing charging switch so as to control the electromobiles to charge automatically. By means of the automatic charging control system and method, communication and between a charging control center and a charging pile and between a control center and the charging pile and complex optimization computing are not needed, the system and method are convenient to use, and the charging demand generated when no less than 50% families each own one electromobile is met on the premise that the current power distribution capacity of the community is not increased.

Description

technical field [0001] The invention belongs to the technical field of electric vehicle charging, and in particular relates to an automatic charging control system and method for household electric vehicles in residential quarters. Background technique [0002] Automobiles are one of the main causes of the global oil crisis and greenhouse gas emissions, and the development of clean energy vehicles is imminent. At present, the prelude to the era of electric vehicles is kicking off around the world. Governments of various countries have formulated strategies, issued policies, and cultivated the market; related enterprises have actively invested, and related technologies have developed rapidly. During the two sessions in 2014, electric vehicles once again became the focus of attention. However, the new energy vehicle market has always had the embarrassment of "hot policies and difficult promotion". Especially in the household electric vehicle market, users have the purchase ...

AI Technical Summary

Problems solved by technology

[0005] Existing data show that there are some methods for optimizing charging, such as simulating the grid load change curve required by the charger by predicting the grid load change curve in the next day, and then determining the optimal charging time period, which is often a relatively complicated charging process. Information analysis and management system, in addition, the accuracy of the prediction results directly affects the accuracy of the optimal charging time period

Or some methods are suitable for electric vehicle charging control in smart distribution network and smart distribution area, which cannot be realized by the current distribution network and community distribution system

In addition, there are still some charging strategy optimization methods that require the construction of communication lines to control the main station, charging piles and the main station, etc., and general residential areas do not yet have these conditions

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