Energy storing type free linkage direct current charging system
A DC charging and energy storage technology, applied in electric vehicle charging technology, charging station, vehicle energy storage, etc., can solve the problems of single power supply, inability to electric vehicles, charging, etc., to shorten charging time, reduce operating costs, The effect of improving the service life
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Embodiment 1
[0036] Please refer to figure 1 and Figure 5 , the energy storage free linkage DC charging system provided by Embodiment 1 of the present invention is used to charge electric vehicles, and includes a plurality of charging piles 100, each of which includes at least one dual-input charging module 1, each of which The dual-input charging module 1 is connected to at least one charging gun 2, and each of the dual-input charging modules 1 in each of the charging piles 100 is connected to the AC grid 200 and the energy storage battery 300 at the same time, and the AC grid 200 and the / or the energy storage battery 300 transmits electric energy to the corresponding charging gun 2 through each of the dual-input charging modules 1 to charge the electric vehicle; that is, each of the charging piles 100 has Two power supply modes, respectively supplying power to the AC grid 200 or the energy storage battery 300; the energy storage battery 300 is preferably an energy storage battery with...
Embodiment 2
[0070] The difference between Embodiment 2 and Embodiment 1 is that each of the charging piles 100 and each of the dual-input charging modules 1 in the energy storage free linkage DC charging system provided by Embodiment 2 are respectively connected to a The energy storage battery 300, that is to say, each charging pile 100 in the energy storage free linkage DC charging system provided in the second embodiment has an independent power supply. This solution can store more energy and can be used for More electric vehicle charging, usually suitable for medium and large charging stations.
[0071] In summary, the energy storage free linkage DC charging system provided by the present invention controls all the first switching switches 3, all the second switching switches 4 and All dual-input charging modules 1 realize the free switching of multi-pile charging, and can rationally allocate the charging power output of each charging pile according to the actual charging power demand ...
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