Title:
油入電気機器の異常診断装置および異常診断方法
Document Type and Number:
Japanese Patent JP5806475
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an abnormality diagnosis device and an abnormality diagnosis method of an oil-filled electric apparatus capable of detecting occurrence of internal abnormality in an oil-filled transformer, and the like.SOLUTION: Abnormality diagnosis means 8 is attached onto a breathing passage 7 of an oil-filled electric apparatus A, and an increase in a generation amount of hydrocarbon gas generated due to internal abnormality is diagnosed utilizing respiration of the oil-filled electric apparatus A. Diagnosis is performed by comparing the discoloration velocity of an agent 8b with a normal discoloration velocity, or by confirming the amount of hydrogen stored in a hydrogen storage alloy.
Inventors:
Miyajima Goku
Takahiro Sawazu
Takahiro Sawazu
Application Number:
JP2011027962A
Publication Date:
November 10, 2015
Filing Date:
February 11, 2011
Export Citation:
Assignee:
Aichi Electric Co., Ltd.
International Classes:
H01F27/00; H01F41/00
Domestic Patent References:
| JP2007043026A | ||||
| JP64046908A | ||||
| JP2002373813A | ||||
| JP58027915U | ||||
| JP58014513A | ||||
| JP6112049A | ||||
| JP63289803A | ||||
| JP4123408A | ||||
| JP1259718A | ||||
| JP2088214U | ||||
| JP63100813U |