Transformer fault diagnosis method based on similarity analysis strategy
A technology for transformer faults and diagnosis methods, which is applied to instruments, complex mathematical operations, calculations, etc., and can solve problems such as insufficient dissolved gas concentration data
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[0040] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0041] Such as figure 1 As shown, the present invention discloses a transformer fault diagnosis method based on the similarity degree analysis strategy. The specific implementation of the method of the present invention will be described below in conjunction with a specific application example.
[0042] In this implementation case, the transformer has N 1 = 11 sets of dissolved gas concentration data, there are N in the state of spark discharge fault 2 = 16 groups of data, there are N in the state of arc discharge fault 3 = 18 sets of data, there are N in the middle temperature and overheating fault state 4 = 13 sets of data, there are N in the low temperature and overheating fault state 5 = 23 sets of data, there are N in the high temperature and overheating fault state 6 = 14 sets of data. Use these data to establish a transformer fau...
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