Dry-type iron core reactor partial discharge detection method and system

The invention relates to the technical field of electrical variable measurement, and provides a dry-type iron core reactor partial discharge detection method and system, and the method comprises the steps: collecting a current signal of a dry-type iron core reactor, and obtaining a current time sequence; dividing distance groups, acquiring current transformation tendency, acquiring a current fitting order, determining a current trend value according to the current fitting order, acquiring a first proximity current signal of the current signal, further acquiring a current trend deviation degree, clustering the current signal according to the current trend deviation degree, and acquiring a cluster; the method comprises the following steps: acquiring a ratio current trend clustering cluster sequence, further acquiring a discharge evaluation factor of a clustering cluster, acquiring trend similarity, further acquiring a first distance between different clustering clusters, and realizing partial discharge detectio