Charging system for AC-DC distribution intelligent charging station
A technology of intelligent charging and charging system, which is applied in the field of electric power, can solve the problems of large footprint and low integration, and achieve the effect of solving large footprint, low integration, and simplifying terminal equipment
Inactive Publication Date: 2016-07-13
深圳市深泰明科技有限公司
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[0031] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0032] An embodiment of the present invention provides a charging system for an AC / DC power distribution smart charging station, figure 2 is a schematic diagram of a charging system of an AC / DC power distribution intelligent charging station according to an embodiment of the present invention, as shown in figure 2 As shown, the charging system of the AC-DC power distribution intelligent charging station includes: a centralized power conversion device 23, a DC bus 22, a plurality of DC conversion charging modules 21, and a battery box 15, wherein the AC side of the centralized power conversion device 23 Connected to the AC power source 11, the DC side of the centralized power conversion devic...
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The invention discloses a charging system for an AC-DC distribution intelligent charging station, and the system comprises a centralized-type electric energy conversion device, a DC bus, a plurality of DC conversion charging modules, and a battery box. The AC side of the centralized-type electric energy conversion device is connected with an AC power supply, and the DC side of the centralized-type electric energy conversion device is connected with the DC bus. The centralized-type electric energy conversion device is used for converting the electric energy of the AC power supply into DC electric energy. The plurality of DC conversion charging modules are respectively connected with the DC bus, and the battery box is connected with one or more DC conversion charging modules. According to the technical scheme of the invention, the centralized-type electric energy conversion device enables the electric energy of a power grid to be converted into high-voltage DC electric energy in a centralized manner so as to supply the electric energy to the DC bus. The centralized-type electric energy conversion device is used for achieving a large-power rectification function, so the system is high in integration degree, simplifies the end equipment, and solves a problem in the prior art that distributed operation is low in integration degree and is large in occupied space.
Description
technical field [0001] The invention relates to the field of electric power, in particular to a charging system of an AC / DC power distribution intelligent charging station. Background technique [0002] In the charging system of the widely used AC / DC power distribution intelligent charging station, the AC / DC charger converts the alternating current into direct current matching the battery parameters. figure 1 It is the charging system of the AC-DC power distribution intelligent charging station according to the prior art, such as figure 1 As shown, in the existing charging system, the AC side of the AC / DC charger is directly connected to the three-phase power supply 11 of the grid, and under the control of the background monitoring system 12 at the charging station end, the AC power of the grid is rectified to meet the battery specifications. The direct current passes through the battery box 15, wherein the communication between the charger 14 and the background monitoring ...
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IPC IPC(8): H02J7/02H02J7/00H02J3/32
Inventor 王永勤任明利邓勇郭增辉朱远明
Owner 深圳市深泰明科技有限公司