Constant-frequency double-degree-of-freedom real-time calculation single-stage single-phase rectifier control method
A technology of real-time calculation and single-phase rectification, which is applied in control/regulation systems, instruments, output power conversion devices, etc., can solve the problems of not specifically considering the peak current of the transformer and the difficulty of implementation, so as to reduce the difficulty of design, improve efficiency, Effect of suppressing peak current
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[0020] The present invention will be described in detail below with reference to the drawings and embodiments. At the same time, the technical problems and beneficial effects solved by the technical solution of the present invention are also described. It should be pointed out that the described embodiments are only intended to facilitate the understanding of the present invention, and have no limiting effect on it.
[0021] In this embodiment, a control method of a single-stage single-phase voltage source type DAB AC-DC converter is based on such as figure 1 The circuit shown is implemented. The AC side of the converter is a half-bridge structure. Two MOSFETs in reverse series form a bidirectional switch. Only two MOSFETs on the AC side of each half power frequency cycle work in the high-frequency switching state. Their driving signals are complementary, and the other two MOSFETs work in synchronous rectification state. L 1 and C 1 , C 2 form the input filter, C 1 and C...
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