Electric vehicle charging station and electric power system

Abstract

The invention relates to the technical field of new energy, particularly to an electric vehicle charging station and an electric power system. The electric vehicle charging station comprises a control apparatus, an energy storage apparatus and a charging pile, wherein the energy storage apparatus can be electrically connected with a power grid and used for storing electric energy supplied by the power grid and supplying power for the charging pile; the energy storage apparatus is electrically connected with the charging pile to form a first charging circuit; the charging pile can be electrically connected with the power grid to form a second charging circuit; and the control apparatus can be electrically connected with the energy storage apparatus, the charging pile and the power grid, and used for controlling the on and off of the first charging circuit and the second charging circuit. By controlling the on and off between the charging pile and the power grid and the energy storage apparatus through the control apparatus, the electric vehicle charging station can be adapted to different environments, namely, the control apparatus still can control the energy storage apparatus to charge the charging pile even if the power grid is in power failure or the electric vehicle charging station is disconnected from the power grid, so that the influence on the electric vehicle charging station from the power grid is effectively relieved.

Description

technical field [0001] The present application relates to the field of new energy technology, in particular to an electric vehicle charging station and a power system. Background technique [0002] With the government's vigorous promotion of electric vehicles and other electric vehicle industries, my country's electric vehicle industry has entered a period of rapid development, but the charging behavior of a large number of electric vehicles will have a greater impact on the power grid, directly using the existing power grid as a new energy source. There is a certain bottleneck in the development of electric vehicle charging. [0003] At present, the existing electric vehicle charging station adopts a grid-connected design. If the grid fails, the charging station cannot work, and the electric vehicle charging station cannot be installed in a place without grid power supply. That is to say, the electric vehicle charging Stations are easily affected by the power grid, which wi...

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Problems solved by technology

[0002] Under the government's vigorous promotion of electric vehicles and other electric vehicle industries, my country's electric vehicle industry has entered a period of rapid development, but the charging behavior of a large number of electric vehicles will have a greater impact on the power grid, directly using the existing power grid as a new energy source. There is a certain bottleneck in the development of electric ve

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