Power grid fault diagnosis method based on multi-variate power grid database
A power grid fault diagnosis method technology, applied in the direction of database model, electrical digital data processing, structured data retrieval, etc., can solve the problems that cannot meet the needs of power grid fault diagnosis, so as to facilitate large-scale promotion and use, and improve accuracy , Reduce the effect of false alarm rate
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[0032] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0033] see figure 1 and figure 2 , a kind of grid fault diagnosis method based on multi-element grid database of the present invention, realizes according to the following steps:
[0034] Step 1. Extract fault data from the database, and establish a fault sample training feature matrix; each fault category in the fault sample training feature matrix is in one-to-one correspondence with its sample feature data.
[0035] Step 1 specifically includes:
[0036] In the multi-element power grid, the fault data is ext...
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