A parameter adjustment method of grid-connected inverter system based on sensitivity analysis
A technology of sensitivity analysis and inverter system, which is applied in the field of parameter adjustment of grid-connected inverter system based on sensitivity analysis, can solve the problems of inaccurate relationship of system parameters, increase of system complexity, complexity, etc., to eliminate influence, Good steady state and dynamic characteristics, good stability effect
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[0078] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
[0079] The grid-connected inverter system includes sequentially connecting the DC bus voltage, inverter, LCL filter, grid impedance and grid voltage, and connecting the load between the LCL filter and the grid impedance. The LCL filter includes the inverter side filter inductor, filter capacitor and grid-connected side filter inductance, the present invention proposes a parameter adjustment method of grid-connected inverter system based on sensitivity analysis for the control of the above-mentioned weak grid-connected inverter system, as shown in figure 1 shown, including the followin...
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