Optical storage and charging microgrid system and control method thereof
A technology of energy storage control and photovoltaic controller, which is applied in the direction of power network operating system integration, information technology support system, charging station, etc. Loss increase and other issues, to achieve the effect of seamless switching between off-grid and off-grid, guarantee the quality of power supply of the system, and reduce energy loss
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[0055] The preferred embodiments of the present invention will be further described in detail below.
[0056] Such as Figure 4 As shown, a light-storage charging micro-grid system, which includes a photovoltaic power generation unit, an energy storage unit, a photovoltaic controller, an energy storage converter, and an off-grid switching unit. The photovoltaic power generation unit is connected to the DC bus through the photovoltaic The energy storage battery and the energy storage converter are respectively connected to the DC bus, and the charging pile is directly hung on the DC bus to form a DC network; the energy storage converter is connected to the power grid and load connection; the photovoltaic controller is used to control the photovoltaic power generation unit to charge the energy storage unit; the grid-connected and off-grid switching unit is used to switch the energy storage converter between grid-connected and off-grid. First, the system power supply and load eq...
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