Multi-source multi-load coordinated scheduling method and system considering load response uncertainty

Abstract

The invention provides a multi-source multi-load coordinated scheduling method and system considering load response uncertainty, and belongs to the technical field of new energy power systems. According to the method and system, load response uncertainty is considered; as for sea water desalination loads, sea water desalination and source network load flexible interaction are combined, and therefore, the running cost of a sea water desalination unit is reduced, the yield of fresh water resources is increased to a certain extent, and certain help is provided for solving the problem of global water resource shortage. The invention also provides a multi-time-scale coordinated scheduling method comprising day-ahead scheduling and intra-day scheduling. With the system and method adopted, the influence of the decrease of prediction precision of wind power and load power with time scale on the reliability of the system is reduced; the economy of coastal area power grid operation is improved;the utilization rate of new energy is increased; collected unit operation data, alarm information, multi-time scale regulation and control information and the like are monitored in real time, and controllability is achieved.

Description

technical field [0001] The invention relates to the technical field of new energy power systems, in particular to a multi-source and multi-load coordinated dispatching method and system considering load response uncertainty. Background technique [0002] As the energy crisis and environmental pollution become more and more serious, countries are actively developing new renewable energy such as solar energy, wind energy, and ocean energy. Some renewable energy utilization technologies have achieved technological breakthroughs and have formed certain scale of the renewable energy industry. But for now, the technology related to new energy is still immature. It has become the responsibility of power grid companies to strengthen demand-side management, actively cultivate electric energy services, use energy interconnection technology, form demand-side mobile peak-shaving capabilities, and ensure the balance of power supply and demand in the case of slight power shortages. Howe...

AI Technical Summary

Problems solved by technology

This has led to the localization of the coordinated control objects of the Energy Internet. On the one hand, it is reflected in the insufficient consideration of different loads in different regions, and rarely considers the typical coastal loads; on the other hand, it is reflected in the control of the demand side. It does not take into account the risk brought by the uncertainty of the demand-side response to the entire system; finally, it only considers the perspective of the day-ahead, and does not take into account the characteristics that the predicted power of new energy sources such as wind power decreases with the shortening of the time scale. Optimizing the system on multiple time scales

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