zuo wen专利名称：INSULATION LIFE ESTIMATING METHOD OF ELECTRICAL MACHINERY孩子逆反心理>longoria
发明人：ASAHI MITSUYO,ENOMOTO
you liveJIYUNZOU,TANAKA SHIGEO,HASHIZUME
AIICHIROU
申请号：JP11952879
申请日：19790917
公开号：JPS5643566A
公开日：
yota>starpad
video什么意思
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19810422
专利内容由知识产权出版社提供
摘要：PURPOSE:To estimate nondestructively the degree of insulation deterioration of the electrical machinery and apparatus, by paying attention to the inflection point in the retention diagram of resin showing chemical change correlated with characteristic of insulation deterioration of the insulating structure, installed to the electrical machinery and apparatus to be measured. CONSTITUTION:A monitoring column filled with resin showing chemical change correlated with characteristic of insulation deterioration of the insulating structure of the electrical machinery and apparatus, for instance, epoxy resin powder is installed in advance to the electrical machinery and apparatus, and this column is taken out at a proper time, at regular intervals. Subquently, the retention diagram is prepared by installing this column to the negative-pha chromatograph, by which the inflection point (transition point of glass) is obtained, and a variation of the transition point of glass of insulating resin, accompanying the operation time is derived. And the degree of insulation of the electrical machinery and apparatus is estimated bad upon the relation between deterioration of the dielectric breakdown voltage, accompanying
the thermal deterioration which has been derived in advance by u of a model having the same insulating structure as the actual machinery and apparatus, and variation of the glass transition temperature of the filling resin, which has been measured by u of the monitoring column filled with insulating resin powder.
申请人：MITSUBISHI ELECTRIC CORP
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