The high voltage of pure electric vehicles is generally around 400V, and the voltage platform of mini-cars is slightly lower, around 200 V, because of its low power. The bigger cars are all between 300-500v V.
In the electric vehicle, the high-voltage components of the whole vehicle include power battery, drive motor, high-voltage distribution box (PDU), electric compressor, DC/DC, OBC, PTC, high-voltage wiring harness and so on. These components constitute the high-voltage system of the whole vehicle, among which the power battery, the drive motor and the high-voltage control system are the three core components in the pure electric vehicle.
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Pure electric vehicles also have battery problems and charging convenience problems. The first thing to be solved for electric vehicles is the battery problem, which lies in its weight and service life. The convenience of electric vehicle charging is also an important factor related to its mass production. It takes 5-6 minutes for a car with an ordinary fuel tank capacity of 50 liters to fill up a tank of oil. But it is uncertain whether the charging time of electric vehicles can be controlled within a few minutes. It takes 10 minute to charge 70% of the electric vehicle, and 6-7 hours to fully charge the 220V socket at home.
Many people's cars in China are parked in underground parking lots or residential parking spaces, and there are few matching charging plugs. It is a good idea to set up a charging station at a gas station, but the charging time of the battery should be guaranteed, and the service life of the battery after repeated charging is unknown.
Baidu encyclopedia-new energy vehicles