ANPC five-level inverter and model prediction control method thereof
A model predictive control, five-level technology, applied in photovoltaic power generation, electrical components, single-grid parallel feeding arrangement, etc., can solve the problems of unequal flying capacitance and difficult parameter adjustment, achieve elimination of leakage current and simple control , the effect of reducing the amount of calculation
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[0042] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0043] The embodiment of the present invention provides an ANPC five-level inverter and its model predictive control method, such as Figure 1-4 As shown, it includes three-phase bridge arms connected in parallel, each phase bridge arm includes eight IGBTs, four of which are connected in series to the positive, negative and midpoint of the DC bus, and the other four in series are connected to one and three IGBT tubes The input end of each...
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