CPC H02J 7/04 (2013.01) [G06Q 30/0283 (2013.01); G06Q 50/06 (2013.01); H02J 3/0012 (2020.01); H02J 7/00032 (2020.01); H02J 7/0013 (2013.01); H02J 7/0048 (2020.01); H02J 2207/20 (2020.01)] | 11 Claims |
1. A charging system comprising:
a power input part electrically connected to a power grid for outputting an AC input power;
an inverter electrically connected to the power input part for converting the AC input power into a DC power;
a DC bus electrically connected to the inverter;
at least one charging device comprising a DC/DC converter and a charging gun, wherein the DC/DC converter is electrically connected between the DC bus and the charging gun;
a first bidirectional energy storage module comprising a first battery and a first bidirectional DC/DC converter, wherein the first bidirectional DC/DC converter is electrically connected between the DC bus and the first battery, and the first bidirectional DC/DC converter is configured to receive and convert the DC power provided by the inverter through the DC bus for charging the first battery, or convert a first storage electric energy of the first battery for delivering to the DC/DC converter of the at least one charging device through the DC bus;
a second bidirectional energy storage module comprising a second battery and a second bidirectional DC/DC converter, wherein the second bidirectional DC/DC converter is electrically connected between the at least one charging device and the second battery, and the second bidirectional DC/DC converter is configured to receive and convert an electric energy outputted by the DC/DC converter of the at least one charging device for charging the second battery, or convert a second storage electric energy of the second battery for providing to the charging gun of the at least one charging device through the DC/DC converter corresponding thereto; and
an intelligent controller electrically connected to the power input part, the first bidirectional energy storage module and the second bidirectional energy storage module.
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