JPS5643566A - Insulation life estimating method of electrical machinery - Google Patents
Insulation life estimating method of electrical machineryInfo
- Publication number
- JPS5643566A JPS5643566A JP11952879A JP11952879A JPS5643566A JP S5643566 A JPS5643566 A JP S5643566A JP 11952879 A JP11952879 A JP 11952879A JP 11952879 A JP11952879 A JP 11952879A JP S5643566 A JPS5643566 A JP S5643566A
- Authority
- JP
- Japan
- Prior art keywords
- electrical machinery
- deterioration
- resin
- insulation
- glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Insulating Of Coils (AREA)
- Testing Relating To Insulation (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
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. Subsequently, the retention diagram is prepared by installing this column to the negative-phase 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 based upon the relation between deterioration of the dielectric breakdown voltage, accompanying the thermal deterioration which has been derived in advance by use 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 use of the monitoring column filled with insulating resin powder.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11952879A JPS5643566A (en) | 1979-09-17 | 1979-09-17 | Insulation life estimating method of electrical machinery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11952879A JPS5643566A (en) | 1979-09-17 | 1979-09-17 | Insulation life estimating method of electrical machinery |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5643566A true JPS5643566A (en) | 1981-04-22 |
JPS6157582B2 JPS6157582B2 (en) | 1986-12-08 |
Family
ID=14763510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11952879A Granted JPS5643566A (en) | 1979-09-17 | 1979-09-17 | Insulation life estimating method of electrical machinery |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5643566A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013521514A (en) * | 2011-04-11 | 2013-06-10 | 上海煙草集団有限責任公司 | Analytical instrument using both gas chromatography and inverse gas chromatography |
CN105445625A (en) * | 2015-10-26 | 2016-03-30 | 西南交通大学 | Method for classifying alternating-current conductivity frequency domain spectrums of transformer oil clearance under difference temperatures into same reference temperature |
CN110954789A (en) * | 2019-11-18 | 2020-04-03 | 大唐东北电力试验研究院有限公司 | Insulation aging identification method for F-level generator |
-
1979
- 1979-09-17 JP JP11952879A patent/JPS5643566A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013521514A (en) * | 2011-04-11 | 2013-06-10 | 上海煙草集団有限責任公司 | Analytical instrument using both gas chromatography and inverse gas chromatography |
CN105445625A (en) * | 2015-10-26 | 2016-03-30 | 西南交通大学 | Method for classifying alternating-current conductivity frequency domain spectrums of transformer oil clearance under difference temperatures into same reference temperature |
CN105445625B (en) * | 2015-10-26 | 2018-03-20 | 西南交通大学 | Transformer oil clearance AC conductivity frequency domain spectra is incorporated into the method for reference temperature under different temperatures |
CN110954789A (en) * | 2019-11-18 | 2020-04-03 | 大唐东北电力试验研究院有限公司 | Insulation aging identification method for F-level generator |
Also Published As
Publication number | Publication date |
---|---|
JPS6157582B2 (en) | 1986-12-08 |
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