Energy-saving DC charging method
A technology of DC charging and DC charging piles, applied in charging stations, efficient vehicle charging, electric vehicle charging technology, etc., can solve the problems of operator losses, charging pile temperature is not high, high power factor, etc., to extend the life of the module, Effect of reducing standby loss and improving power factor
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[0037] Below in conjunction with embodiment the present invention is further described.
[0038] Such as figure 1 , figure 2 As shown, an energy-saving DC charging method includes the following steps before charging:
[0039] 1A. The AC contactor K1 is disconnected before charging to reduce the standby loss of the charging module; the main circuit of the DC charging pile needs to be installed with an AC contactor to control the AC main circuit of the charging module.
[0040] 1B. Insert the DC charging gun into the charging port of the electric vehicle, and close the AC contactor K1.
[0041] 1C. The man-machine interface prompts that the charging cable is connected and starts timing.
[0042] 1D. If the charging command is received within time t1, the AC contactor K1 remains closed, and the charging pile controller issues a charging command to the charging module to enter step 1E; if the charging command has not been received after time t1, the AC contactor K1 The contac...
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