首页>
外国专利>
Being the manner which presumes the generation tonnage of the copper sulfide in the oil-immersed electrical machinery and apparatus which possesses with the insulating paper insulating the presumption manner of the copper sulfide generation tonnage in the oil-immersed electrical machinery and apparatus, the diagnostic manner of abnormality generation, the presumption
Being the manner which presumes the generation tonnage of the copper sulfide in the oil-immersed electrical machinery and apparatus which possesses with the insulating paper insulating the presumption manner of the copper sulfide generation tonnage in the oil-immersed electrical machinery and apparatus, the diagnostic manner of abnormality generation, the presumption
The present invention provides a method of estimating the amount of generated copper sulfide in the oil-filled electrical apparatus, A step of measuring the concentration of a particular product of one or more substances contained in the insulating oil that is collected from (1) the oil-filled electrical apparatus, The method comprising, based on the concentration of the product of (2) the specific, to estimate the yield of the copper sulfide, The product of the specific, the method comprising at least one compound selected from the group consisting of dibenzyl sulfoxide benzyl alcohol, benzaldehyde, benzoic acid.
展开▼
