High-voltage circuit breaker fault diagnosis method based on adaptive grey correlation analysis
A technology of gray relational analysis and high-voltage circuit breakers, which is applied in circuit breaker testing, spectral analysis/Fourier analysis, instruments, etc., can solve the problem of complex feature extraction methods, diagnostic results constrained by sample size, and gray relational degree discrimination Insufficient and other problems, to achieve good practicability, accurate and reliable results of fault diagnosis
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[0025] To further illustrate the various embodiments, the present invention is provided with accompanying drawings. These drawings are a part of the disclosure of the present invention, which are mainly used to illustrate the embodiments, and can be combined with related descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should understand other possible implementations and advantages of the present invention. Components in the figures are not drawn to scale, and similar component symbols are generally used to denote similar components.
[0026] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.
[0027] Before the present invention is described in detail, the principle of monitoring the fault of the high-voltage circuit breaker based on the closing and opening coil current is briefly described.
[0028] The ope...
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