Method and device for optimizing instantaneous dynamic of LLC resonant converter load
A resonant converter, a dynamic technology, applied in the output power conversion device, the conversion equipment with intermediate conversion to AC, the conversion of DC power input to DC power output, etc., can solve the problem of high controller requirements and controller processing speed. High requirements and other problems, to achieve the effect of improving the dynamic response speed, avoiding the calculation deviation and the process of a large number of calculations, and accelerating the speed of change
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[0025] The technical solutions of the present invention will be further specifically described below through embodiments and in conjunction with the accompanying drawings.
[0026] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0027] In order to realize the above-mentioned effect and its superiority, a kind of method for optimizing the instant dynamics of LLC resonant converter load of the present invention is to obtain LLC switching frequency and input voltage, A series of discrete points related to the output voltage and output current (modules with constant input do not need additional input voltage test points), and these discrete points are fitted to obtain the optimal objective function of the LLC switching frequency. Through the accurate and effective load dynamic switch judgment, the final output PID result of the voltage loop controller is linearly approached to the expected out...
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