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The difference between DC charging station and AC charging station

wallpapers News 2021-06-16
The difference between DC charging station and AC charging station
Electricity is a must for new energy vehicles. It is related to the vehicle experience and the endurance of the vehicle. For vehicle charging, the difference between DC EV charger and AC EV charger, and the difference between DC charging and AC charging is often heard. The difference lies in the time, and the charging current and voltage are different. DC charging is commonly known as "fast charging", which requires a dedicated charging pile. The charging voltage can reach about 380V three-phase AC power, which is the power of off-board electric vehicles. The battery provides a DC power supply device.
The output voltage and current have a large adjustable range, so electric vehicles can be quickly charged. Take the DC charging pile 180KW as an example. Assuming that the battery capacity on the car is 60kWh (that is, the battery capacity is about 60 kWh), calculate the charging time according to the charging time of the vehicle. In addition, considering the charging rate of the battery, the approximate charging time is calculated It takes about 40 minutes.
AC charging is commonly known as "slow charging". For vehicles, it takes about 6 to 8 hours to fully charge. Secondly, the difference between the two is also different on the charging pile. The AC charging pile requires the help of an on-board charger. To realize the charging of the vehicle, the DC fast charging pile does not need this device, and the corresponding electricity is directly charged through the charging pile. Because the power of the on-board charger is not large, fast charging cannot be realized.
The DC fast charging pile is a power supply device that is fixedly installed outside the electric vehicle and connected to the AC power grid. It can provide DC power for the power battery of the non-vehicle electric vehicle. The DC Chargers can provide sufficient power and the output voltage and current can be adjusted in a wide range. The requirement of fast charging can be achieved.

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