Single-phase power factor corrector in direct network-side power control
A technology of power control and single-phase power, which is applied in the direction of converting AC power input to DC power output, output power conversion device, and high-efficiency power electronic conversion. It can solve the problems of not fully utilizing single-cycle control, limiting single-cycle response speed, Reduce system reliability and other issues, achieve the effect of realizing power following characteristics, improving design difficulty, and high power factor correction effect
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[0048] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.
[0049] like figure 1 As shown, this embodiment provides a single-phase power factor corrector for direct grid-side power control, including a power circuit 1, an auxiliary circuit 2 and a control module 3, wherein: the power circuit 1 completes the single-phase AC-DC power transformation; the auxiliary circuit 2 is connected to the power circuit 1 to complete the instantaneous detection of the rectified voltage (i.e. the input voltage), the inductor current (i.e. reflecting the input current), the...
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