CN CN120768141A
The invention relates to the technical field of circuit systems, in particular to a three-port boost inverter topology and application thereof. A three-port boost inversion topology is provided, the topology realizes working mode switching by controlling a switch tube, the three-port boost inversion topology structure is cascaded with a traditional Boost converter, according to the change of irradiance, the photovoltaic irradiance range is expanded by using the voltage-multiplying characteristic of a capacitor, the boost multiple of the topology is improved, and the photovoltaic power generation efficiency is improved. The requirement on the capacity of the storage battery is reduced; the common discharge of the photovoltaic device and the storage battery is realized by utilizing the clamping characteristics of the three-port structure and the capacitor; and when the photovoltaic and storage battery output is insufficient to operate the system, the three-phase inverter is used for realizing photovoltaic voltage reduction to charge the storage battery. The objective of the invention is to reduce the power loss of the three-port boost inverter circuit.
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