Stage Charging Method For Electric Vehicle Charging Stations

This method includes two-stage charging method and three-stage charging method
① The two-stage method adopts a fast charging method that combines constant current and constant voltage. Firstly, charge to a predetermined voltage value with constant current, and then switch to constant voltage to complete the remaining charging. The conversion voltage between two stages is generally the constant voltage of the second stage.
② The three-stage charging method uses constant current charging at the beginning and end of charging, and constant voltage charging in the middle. When the current decays to a predetermined value, it transitions from the second stage to the third stage. This method can minimize the gas output, but as a fast charging method, it is subject to certain limitations.