Method and apparatus for diagnosing oil-filled electric apparatus
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United States of America Patent
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Mar 5, 1985
Grant Date -
N/A
app pub date -
Jul 20, 1982
filing date -
Jul 27, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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.
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