The application discloses a converter adaptive
hybrid synchronization control method based on steady-state margin prediction, belongs to the technical field of
new energy grid connection, and comprises the following steps: constructing a grid-connected VSC converter adaptive
hybrid synchronization control dq impedance model; constructing a steady-state margin prediction model based on DNN; collecting training data; training the steady-state margin prediction model in step S2 by using the collected training data to obtain a trained steady-state margin prediction model; based on the steady-state margin prediction model in step S3, solving the optimal solution of adaptive coefficients by using an
interior point method under the condition of a given steady-state margin; and based on the optimal solution of adaptive coefficients obtained by combining the steady-state margin prediction model in step S3 and the optimization
algorithm in step S4, adjusting parameters to realize adaptive small-disturbance stability control of the converter. k a The application discloses a converter adaptive
hybrid synchronization control method based on steady-state margin prediction, belongs to the technical field of
new energy grid connection, and comprises the following steps: constructing a grid-connected VSC converter adaptive hybrid synchronization control dq impedance model; constructing a steady-state margin prediction model based on DNN; collecting training data; training the steady-state margin prediction model in step S2 by using the collected training data to obtain a trained steady-state margin prediction model; based on the steady-state margin prediction model in step S3, solving the optimal solution of adaptive coefficients by using an
interior point method under the condition of a given steady-state margin; and based on the optimal solution of adaptive coefficients obtained by combining the steady-state margin prediction model in step S3 and the optimization
algorithm in step S4, adjusting parameters to realize adaptive small-disturbance stability control of the converter. k a The application discloses a converter adaptive hybrid synchronization control method based on steady-state margin prediction, belongs to the technical field of
new energy grid connection, and comprises the following steps: constructing a grid-connected VSC converter adaptive hybrid synchronization control dq impedance model; constructing a steady-state margin prediction model based on DNN; collecting training data; training the steady-state margin prediction model in step S2 by using the collected training data to obtain a trained steady-state margin prediction model; based