Forecast model-based DC power spring control method
A technology of electric springs and predictive models, applied in AC network circuits, AC network voltage adjustment, electrical components, etc., can solve the problems of PI control lack of process dynamic understanding, lack of coupling information between variables, and difficulty in maintaining global performance, etc., to achieve Strong anti-interference ability, strong robustness and simple algorithm
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[0049] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0050] like figure 2 As shown, a DC electric spring control method based on a predictive model includes the following steps:
[0051] S1. Obtain the reference value of the inductance current of the LC filter based on the topology of the main circuit of the DC power spring;
[0052] S2. Based on the simplified model of the switch state of the DC power spring, a discrete prediction model of the DC power spring is obtained;
[0053]S3, establishing an objective function with the inductor current of the LC filter as the control variable;
[0054] S4. Combining the reference value of the inductor current of the LC filter and the discrete prediction model, the objective function is solved to obtain the optimal solution of the state of the DC power spring switch;
[0055] S5. According to the optimal solution of the state of the DC power spring ...
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