Partial discharge (PD) measurement and recognition is a significant tool for potential failure diagnosis of a power transformer. This paper proposes the application of self organizing map (SOM) approach to recognize partial discharge patterns of cast-resin current transformer (CRCT). The PD patterns are measured by using a commercial PD detector. A set of features, used as operators, for each PD pattern is extracted through statistical schemes. The proposed SOM classifier has the advantages of high robustness to ambiguous patterns and is useful in recognizing the PD patterns of electrical transformers. To verify the effectiveness of the proposed method, the classifier was verified on 250 sets of field-test PD patterns of CRCTs. The test results show that the proposed approach may achieve quite satisfactory recognition of PD patterns.
|Number of pages||10|
|Journal||WSEAS Transactions on Computer Research|
|Publication status||Published - 2008 Mar|
All Science Journal Classification (ASJC) codes
- Computer Science(all)