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[en] A capacitive measurement procedure is proposed that serves to detect burr-induced short circuits in transformer core laminations. The tests are conducted on stacks of transformer steel sheets as used for transformer core production and yield a short-circuit probability indicative of the additional eddy current losses to be expected. Applied during the assembly of transformer cores, the measurements can help to decide whether the burr treatment process is working efficiently or has to be readjusted
Journal
Journal of Magnetism and Magnetic Materials; ISSN 0304-8853; 
; CODEN JMMMDC; v. 320(20); p. e911-e914
; CODEN JMMMDC; v. 320(20); p. e911-e914