Energy storage and charging integrated system
A technology of energy storage and electrical connection, applied in the integration of power network operating systems, information technology support systems, electrical components, etc., can solve problems such as high charging costs, low efficiency of internal conversion modules, and power limitations of AC power grids, and achieve breakthroughs Effects of power limitation, provision of service diversity, and energy saving
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Embodiment 1
[0038] Such as Figure 1~2 As shown, the integrated energy storage and charging system provided in this embodiment includes a system main control unit, an AC power interface, a first bus, an energy storage bus, an energy storage device, and at least one energy conversion device, wherein the energy conversion The device includes a first bus switching unit, an AC-DC bidirectional converter, a second bus switching unit, a second bus and a DC interface, and the output terminals of the system main control unit are connected to the controlled end, the controlled end of the first bus switching unit, and the controlled end of the second bus switching unit; the AC power interface is electrically connected to the first connecting end of the first bus, and the first connecting end of the first bus The two connecting ends are respectively electrically connected to the first bus switching end of the first bus switching unit in each of the energy conversion devices; the energy storage devic...
Embodiment 2
[0058] Such as image 3 As shown, this embodiment provides another integrated energy storage and charging system on the basis of the first embodiment, which is different from the technical solution described in the first embodiment in that: the first bus switching unit or The second bus switching unit includes three-state double-throw contactors DKM3 / DKM4 with controlled ends respectively connected to the main control unit of the system, wherein the first throwing end of the three-state double-throw contactors DKM3 / DKM4 As the first bus switching end of the corresponding bus switching unit, the second throwing end of the three-state double-throw contactor DKM3 / DKM4 is used as the second bus switching end of the corresponding bus switching unit, and the three-state double-throw contactor DKM3 / The common end of DKM4 corresponds to the common end of the bus switching unit. Such as image 3 As shown, through the aforementioned circuit structure, the corresponding bus switching ...
Embodiment 3
[0061] Such as Figure 4 As shown, on the basis of the first embodiment, this embodiment also provides another integrated energy storage and charging system, which differs from the technical solution described in the first embodiment in that it also includes a clean energy unit and a direct current A unidirectional converter, wherein the electric energy output terminal of the clean energy unit is electrically connected to the input terminal of the DC unidirectional converter, and the output terminal of the DC unidirectional converter is electrically connected to the first connection of the energy storage bus end. Such as Figure 4 As shown, the clean energy unit is used to convert clean energy such as solar energy, wind energy or tidal energy into electrical energy (including direct current or alternating current), which may include, but is not limited to, solar panels and / or wind generators. The DC unidirectional converter is used to convert the electric energy from the cle...
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