32 results about "Robust optimization problem" patented technology

The invention discloses a robust scheduling method for an AC/DC microgrid of considering power tracking of an uncontrollable generator. The method comprises the following steps of (10) obtaining uncertainty prediction parameters and building an uncertainty set; (20) linearizing output constraints of an uncontrollable generator set on the basis of the source charge uncertainty set built in the step(10); (30) obtaining operation cost coefficients and operation limits of various devices in the microgrid and building a robust optimization model of the AC/DC microgrid on the basis of the step (10)and the step (20); and (40) solving a robust optimization problem: iteratively solving the robust problem by using a nested column constraint generation algorithm and obtaining a robust operation plan of the AC/DC microgrid. According to the method, the characteristic that the power of a renewable energy generator set in the microgrid is considered, robust optimization scheduling of the AC/DC microgrid is achieved through start-stop of the set and synchronized scheduling of output, the power tracking requirements of the uncontrollable generator set are met and an important reference guide isprovided for making an operation plan of the AC/DC microgrid.

The invention discloses a power distribution network and multi-microgrid robust scheduling method, electronic equipment and a storage medium. The method comprises the following steps: establishing a renewable energy output ellipsoid uncertainty set by adopting a data driving method based on a minimum volume closed ellipsoid; establishing a day-ahead-real-time two-stage economic scheduling model considering the overall operation cost of a power distribution network and multiple microgrids; obtaining a renewable energy output limit scene by solving the ellipsoid uncertainty set, processing the uncertainty factors of the scheduling model by adopting a limit scene method, and providing a power distribution network and multi-microgrid two-stage robust scheduling method based on the limit scene method; and splitting a two-stage robust optimization problem into a main problem and a sub-problem for iterative solution through an improved column constraint generation algorithm based on a limit scene method. According to the invention, the scheduling robustness of the power distribution network and the multi-microgrid system can be ensured, the scheduling conservative property of the power distribution network and the multi-microgrid system is reduced, the scheduling economy is improved, and meanwhile model solving is relatively simple and relatively high in efficiency.