VSC inner loop current control method based on uncertain interference estimation
An inner loop current and interference estimation technology, which is applied in the direction of electrical components, circuit devices, design optimization/simulation, etc., can solve problems such as poor immunity to interference, uncertain interference estimation, etc., and achieve good robust control effect and good control , The effect of simplifying the parameter tuning process
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[0049] The following description of the invention will be further described below with reference to the accompanying drawings. figure 1 Down:
[0050] The inventive interference estimate of the present invention is based on the VSC internal ring current control method, including the following steps:
[0051] Mathematical Model of VSC Current Mathematical Model for Building DC Distribution Network;
[0052] S2. Standardization of the current in the VSC current mathematical model to obtain the Dynamic model of the VSC inner ring current;
[0053] S3. Based on the VSC inner ring current uncertain dynamic model, the VSC internal ring current reference model based on uncertain interference estimation is obtained, and the error equation and uncertainty and disturbance estimation value based on uncertain interference estimation are based on uncertain interference estimation.
[0054] S4. According to the VSC internal ring current reference model, the error equation and the uncertainty an...
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