Charging pile interaction terminal and interaction method of charging pile connected power grid

Abstract

The invention provides a charging pile interaction terminal. The charging pile interaction terminal comprises a phase selection switch, a current detection module, an analog digital conversion conditioning sampling unit, a communication module and a microprocessing unit, wherein the phase selection switch is provided with a three-phase input end, the three-phase input end is electrically connectedwith three-phase cables of distribution transformers respectively, and the output end of the phase selection switch is electrically connected with charging piles; the input end of the current detection module is electrically connected with the output end of the phase selection switch, and the output end of the current detection module is electrically connected with the input ends of the chargingpiles; the analog digital conversion conditioning sampling unit is provided with a first input end electrically connected with the three-phase input end and a second input end electrically connected with the current detection module; the input end of the microprocessing unit is electrically connected with the output end of the analog digital conversion conditioning sampling unit; the input end ofthe communication module is electrically connected with the output end of the microprocessing unit, and the communication module is connected with a distribution network control center and the charging piles through communication respectively. Flexible dynamic load regulation is realized.

Description

technical field [0001] The present application relates to the technical field of power transmission and distribution, and in particular to an interactive terminal for a charging pile and an interactive method for connecting the charging pile to a power grid. Background technique [0002] In recent years, global new energy vehicles have grown rapidly. With the development of electric vehicles, the construction of charging facilities and distribution networks has also received extensive attention. [0003] my country's "Guidelines for the Development of Electric Vehicle Charging Infrastructure" (2015-2020) requires that by 2020, a moderately advanced, smart and efficient charging infrastructure system will be basically established to meet the charging needs of more than 5 million electric vehicles . Therefore, it is necessary to do a good job in the connection between the planning of the distribution network and the planning of the charging and swapping facilities, strengthen...

AI Technical Summary

Problems solved by technology

[0007] The purpose of this application is to provide an interactive terminal for charging piles and an interactive method for connecting charging piles to the power grid, to realize real-time interaction between charging piles and the distribution network, and to solve the problem of three-phase imbalance in the distribution network in time

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