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We developed remaining service life diagnostic technology of phenol insulators for circuit breakers. Phenol insulators were analyzed by chemical evaluation such as ion concentration and coloration, and the results were diagnosed by the Mahalanobis-Taguchi system (MTS), which is a pattern information technology. Particularly effective items for diagnosis included ions of nitric acid, sulfuric acid,...
Canon has been developing the EUVL technologies for more than ten years. The current development status of EUVL technologies is presented. The small field exposure tool (SFET) is positioned as a cornerstone of the manufacturing technologies for the EUVL beta tool. LPP source and the DPP source are the most expecting methods for the EUVL beta tools.
We have applied a remaining service life diagnostic technology to phenol insulators of power distribution equipment. Application of chemical evaluation and the Mahalanobis-Taguchi (MT) method enabled us to diagnose the insulators' degree of deterioration with great accuracy and nondestructively on-site. Time was defined as the end of service life when electrical discharge was initiated and a remaining...
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