2results about How to "Meet security requirements" patented technology

The application provides an improved tabu search topology optimization method of a marine wind farm power collection system, which is based on the positions of wind turbines to intelligently preliminarily group and sort, to form an initial connection scheme, to connect all the wind turbines in each group with the minimum cost, to calculate the group cable cost, to check whether the lines cross, to impose a penalty in the total cost if the lines cross, to ensure that the scheme is feasible, to compare the current scheme with the historical best, to update the record and intelligently exchange the wind turbine groups to explore a new scheme, to repeat the optimization process until the number of iterations is satisfied, and to finally output a globally optimal topology scheme. The application has the advantages of better optimization effect, significantly improved economy, higher calculation efficiency, stronger engineering practicability, better algorithm robustness, better scheme reliability, high design automation degree and strong auxiliary decision-making capacity.

The application provides a switching frequency jitter inhibition method for charger PFC control, relates to the technical field of jitter inhibition, and performs data monitoring on a switching tube of a charger PFC stage to obtain switching tube monitoring data, performs switching frequency analysis according to the switching tube monitoring data to obtain switching frequency analysis data, performs dynamic adjustment analysis according to the switching frequency analysis data to obtain dynamic adjustment data of a switching tube driving signal, performs adjustment interference analysis according to the dynamic adjustment data to obtain adjustment interference analysis data, performs jitter offset compensation analysis according to the adjustment interference analysis data to obtain jitter offset compensation analysis data, obtains a target switching frequency according to the jitter offset compensation analysis data, performs closed-loop control, and obtains closed-loop control information. The application realizes full-process and full-range inhibition of switching frequency jitter, avoids potential safety hazards, such as PFC circuit instability and power factor reduction, caused by frequency jitter from the root, and guarantees normal operation of the charger PFC stage.