Research on the Application of Adaptive Relay Protection in Power System
This paper studies adaptive relay protection technology to address the increasingly complex fault characteristics of modern power systems.In response to the issue that traditional fixed-value protection is difficult to meet the current grid requirements,three adaptive protection strategies are proposed:a pilot adaptive protection strategy based on deep learning algorithms,an adaptive current fast-break protection strategy based on wavelet transform and support vector machines,and a substation comprehensive information adaptive protection strategy based on Bayesian networks.Simulation experiments verify that these strategies significantly outperform traditional protection methods in terms of protection action time,selectivity,reliability,and sensitivity,and can better adapt to the diversity and uncertainty of the power grid.
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