A hydropower station multi-dimensional full-digital modeling method based on flexible subsystem division and scene attribute clustering

Abstract

According to the hydropower station multi-dimensional full-digital modeling method based on flexible subsystem division and scene attribute clustering, the time scale and rigidity characteristics of each subsystem of a huge hydropower station are analyzed, and the flexible subsystem division method based on the distributed intelligent multi-agent technology is provided. Dividing the hydropower station into a plurality of standard modules with different time scales and rigidity characteristics according to the levels and functions of the system, and establishing a model of each standard subsystem of the giant hydropower station; Grouping and inter-group coordination processing are carried out on the multi-time scale variables on the basis of the local truncation error, and multi-dimensionalsimulation accuracy and real-time performance are unified; according to the parameter hierarchical clustering method based on scene attributes, an attribute feature model is established, a multi-dimensional data transverse and longitudinal interaction sharing technology is provided, and two-dimensional and three-dimensional synchronous display is achieved. According to the method, a giant hydropower station standard sub-module is established by using a flexible sub-system division method, and a data fusion attribute characteristic model is established by using a scene attribute clustering method, so that the accuracy and the real-time performance of two-dimensional and three-dimensional operation and maintenance integrated simulation are unified.

Description

technical field [0001] The invention relates to the technical field of simulation of giant hydropower stations, in particular to a multi-dimensional full digital modeling method for hydropower stations based on flexible subsystem division and scene attribute clustering. Background technique [0002] With the in-depth promotion of energy conservation and emission reduction, the utilization scale of clean energy has been further expanded. As the most mature clean energy power generation technology, hydropower is widely respected at home and abroad. The rapid development of hydropower has led to an increased demand for professional and technical personnel in the operation and maintenance of hydropower stations. Since the hydropower station is an important part of the power system and plays an important role in the load support of the power system, it is required that the technicians engaged in the operation and maintenance of the hydropower station must have rich knowledge, ex...

AI Technical Summary

Problems solved by technology

However, a giant hydropower station is composed of multiple subsystems with different dynamic response time scales. Each subsystem has a large number of equipment and complex state responses. It is difficult to realize a multi-dimensional full digital simulation that accurately reflects the hydromechanical coupling characteristics of the hydropower station and the dynamic response process of the system.

[0005]The multidimensional simulation of giant hydropower stations has the following difficulties: ①. Giant hydropower stations involve three parts: water, machinery and electricity, and are composed of multiple subsystems with different time scales. It has the characteristics of hydromechanical and electrical coupling, and its operation mechanism is complex.

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