Dynamic generation method and system of power grid wave recording file, equipment and storage medium

Abstract

The invention belongs to the field of power systems, and discloses a dynamic generation method and system of a power grid wave recording file, equipment and a storage medium, and the method comprises the steps: continuously obtaining a state signal of a power grid, segmenting the state signal according to a preset time length according to a time sequence, and storing the segmented state signal to obtain a plurality of continuous initial wave recording files; and obtaining a query time range, selecting an initial wave recording file which coincides with the query time range in time from the plurality of initial wave recording files, and synthesizing a new wave recording file according to the selected initial wave recording files. The problem of recording event omission caused by unreasonable alarm threshold setting in the prior art is solved, an effective supporting means is provided for monitoring and analysis of operation characteristics of a high-proportion power electronic equipment power grid, and the operation safety of the power grid is guaranteed. Repeated deployment of a wave recording function is not needed, repeated storage of alarm wave recording and long wave recording does not exist, device resources are not consumed, the operation load of a wave recording device is reduced, the overall performance and efficiency of wave recording are improved, and various application requirements can be flexibly met.

Description

technical field [0001] The invention belongs to the field of electric power systems, and relates to a dynamic generation method, system, equipment and storage medium of electric network wave recording files. Background technique [0002] With the large-scale grid-connection of new energy sources such as photovoltaics and wind power, a series of sub- / super-synchronous oscillations and high-order harmonic oscillations have been triggered, leading to accidents such as tripping of power plants and seriously affecting the operation safety of the power grid. At the same time, due to the introduction of a large number of power electronic devices into the power grid due to the new energy grid connection, the characteristics of the power grid have changed. However, the operation characteristics of the power grid under the connection of a high proportion of power electronic Or the wave recording files recorded during oscillation are important data for the research and analysis of powe...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the disadvantages of high operating and processing pressure and high cost in the existing wave recording mode in the above-mentioned prior art, and provide a method, system, equipment and storage medium for dynamically generating power grid wave recording files

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