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

Abstract

The invention provides a multi-source and multi-load coordinated scheduling method and system considering the uncertainty of load response, belonging to the technical field of new energy power systems. Considering the uncertainty of load response in the present invention, it is mainly aimed at seawater desalination load, combining seawater desalination with flexible interaction of source network and load, which not only reduces the operating cost of seawater desalination unit, but also increases the output of freshwater resources to a certain extent. Addressing global water scarcity offers some help. The present invention also proposes a multi-time-scale coordinated dispatch method including day-ahead and intraday dispatch, which reduces the influence of wind power and load power prediction accuracy on system reliability as the time scale decreases, improves the economics of grid operation in coastal areas, and improves New energy utilization rate, and real-time monitoring of collected unit operation data, alarm information, multi-time scale control information, etc., which is manipulable.

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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