Flexible topological converter applied to photovoltaic micro-inverter, and digital control device thereof
A micro-inverter, flexible topology technology, applied in output power conversion devices, photovoltaic modules, photovoltaic power generation and other directions, can solve the problems of increasing circuit complexity, complex circuit structure, diode parasitic oscillation and reverse recovery loss, etc. Achieve the effect of eliminating reverse recovery loss, high-efficiency transmission, and realizing transmission
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[0021] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.
[0022] Such as figure 1 As shown, a flexible topology converter applied to photovoltaic micro-inverter, including input filter capacitor C in , full bridge circuit, snubber inductor L, high frequency transformer T, full wave rectifier circuit and output filter C dc , and its interconnection and components will be described in detail below.
[0023] The full bridge circuit uses photovoltaic cells as the input power supply, and includes the first switching tube S1, the second switching tube S2, th...
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