Power consumption management device and management method for charging pile in district

Abstract

The invention discloses a power consumption management device for a charging pile in a district. The power consumption management device comprises a power supply module, a control module, a measurement module and a communication module; the power supply module supplies power; the measurement module measures data and uploads the data to the control module; and the control module makes a decision and sends out a control signal by the communication module. The invention further discloses a power consumption management method of the power consumption management device for the charging pile in the district. The power consumption management method comprises the steps of acquiring parameters of a power system in the district, and storing control flow of the charging pile in the district in advance; calculating working condition parameters of a district transformer and the charging pile; and carrying out power consumption management on the charging pile. According to the power consumption management device and the power consumption management method which are disclosed by the invention, the working parameters of the charging pile and real-time operation parameters of a power grid are measured, then the measured parameters are sent to a control board to carry out comparison, and finally, by the power consumption management method provided by the invention, the decision is made and a control instruction is issued, and thus, the power consumption management device and the power consumption management method can implement automatic ordered management of the charging pile in the district so as to ensure security and scientificity of power consumption in the district.

Description

technical field [0001] The invention specifically relates to a power management device and management method for charging piles in a station area. Background technique [0002] As the country vigorously develops electric vehicles, charging piles are used as the infrastructure of electric vehicles. According to the national plan, 4.8 million sets of charging piles will be built by 2020, of which 80% are private self-built piles, and the charging pile clusters in the station area are for electric vehicles. Car charging will bring a very large impact on the transformer load in the station area. Since the capacity of the transformer in the station area has been confirmed according to the power consumption situation in the station area at the beginning of the construction of the station area, the current charging pile charging load is relatively large for the station area. It is said that it is an incremental load, and the load fluctuates greatly and is unstable. Simply expandin...

AI Technical Summary

Problems solved by technology

Simply expanding the capacity of the transformer cannot effectively solve this problem, not to mention that large-scale transformer capacity expansion is somewhat unrealistic in terms of economics and construction difficulties.

[0003] In the current implementation plan, the functions of the traditional power distribution automation terminal only include analog quantity collection, remote signal quantity collection, protection exit, data upload, etc. Its main purpose is to realize protection exit, event and data upload, and charging in the station area When a large number of charging piles are put into the pile cluster, it will cause the instantaneous load of the station area to be too large. When the load exceeds the set value of the power distribution automation terminal, the power distribution automation terminal will trip to protect the transformer. Large-scale power outages in the area will affect normal electricity users. This "one size fits all" management method is rather rough and obviously unable to adapt to the current changes in the power load of the station area.

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