A brief description of how EV charging stations work

Electric vehicle charging facilities include a wide range of contents, including rechargeable batteries, charging cables, charging interfaces, and other facilities related to EV charging in the construction of charging stations. Regarding the electric vehicle charging interface, charging cable, rechargeable battery, electric vehicle charging station and other countries have promulgated corresponding standards, the corresponding ministries and commissions have also issued corresponding specifications, today I will introduce to you the working principle of electric vehicle charging station.
1. The structural block diagram of high-power electric vehicle charger (fast charging mode) is shown in the figure below, through the three-phase power grid input alternating current, through the three-phase bridge uncontrollable rectifier circuit rectification into direct current, filtered and provided to the high-frequency DC-DC power converter, the power converter through the direct direct conversion output required DC, again filtered to charge the electric vehicle power battery.
The working principle and diagram of DC charging pile (machine) are as follows:
2. AC charging pile is generally a conventional charging mode, the following figure is the schematic diagram of AC charging pile, its human-computer interaction interface adopts large screen LCD color touch screen, charging can choose fixed power, fixed time, fixed amount, automatic (until full) four modes. The AC working voltage of the charging pile is 220V15%, the output power of the quota is 3.5KW, 7KW, and it takes 4-5 hours for the charging pile to be fully charged for ordinary pure electric cars, because the charging pile is low cost, mainly installed in the parking lot, suitable for slow charging power batteries.