Method and apparatus for diagnosing oil-filled electric apparatus
摘要
Method and apparatus for diagnosing abnormality of an oil-filled electric apparatus is disclosed. Presence or absence of abnormality is determined by comparing contents of plural predetermined components contained in gas extracted from the oil of the electric apparatus with respective predetermined reference values. The type of abnormality is determined on the basis of at least one set of two specific components selected from the plural components.
申请公布号
US4502320(A)
申请公布日期
1985.03.05
申请号
US19820400157
申请日期
1982.07.20
申请人
HITACHI, LTD.;SHIKOKU ELECTRIC POWER COMPANY, INC.