JPS5618765A - Insulation life estimation of electric appliance - Google Patents
Insulation life estimation of electric applianceInfo
- Publication number
- JPS5618765A JPS5618765A JP9628479A JP9628479A JPS5618765A JP S5618765 A JPS5618765 A JP S5618765A JP 9628479 A JP9628479 A JP 9628479A JP 9628479 A JP9628479 A JP 9628479A JP S5618765 A JPS5618765 A JP S5618765A
- Authority
- JP
- Japan
- Prior art keywords
- insulation
- atom
- electric appliance
- resin
- appliance
- 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
- Testing Relating To Insulation (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
PURPOSE: To estimate the degree of deterioration in the insulation of the electric appliances by utilizing the behavior of the number of hydrogen atom per the number of carbon atom of the monitoring material at nondestructive testing.
CONSTITUTION: Proper number of resin pieces made as the monitoring material using the insulated resin the same as that composing the insulation of the electric appliance to be measured is incorporated into the electric appliance prior to the start of the operation in such a manner as to be removable. At an appropriate time interval, for example, the resin pieces are picked up one at a time at a proper timing to measure the number of hydrogen atom and the number of carbon atom with an element analyser so that the ratio between the two numbers of atom is calculated. In this manner, variations in the ratio of the two numbers of atom in the insulation resin are determined during the operation time to estimate the degree of the deterioration of the appliance from the relation between the drop in the insulation breakdown voltage accompanied by the heat deterioration precalculated by use of the model of the same insulation arrangement as that in the actual appliance and the variations.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9628479A JPS5618765A (en) | 1979-07-25 | 1979-07-25 | Insulation life estimation of electric appliance |
GB8108192A GB2067287B (en) | 1979-07-25 | 1980-07-18 | Method of estimating life of insulation for electric device using resin insulator |
DE803049732A DE3049732A1 (en) | 1979-07-25 | 1980-07-18 | Method of estimating life of insulation for electric device using resin insulator |
PCT/JP1980/000161 WO1981000306A1 (en) | 1979-07-25 | 1980-07-18 | Method of estimating life of insulation for electric device using resin insulator |
US06/253,765 US4396719A (en) | 1979-07-25 | 1980-07-18 | Method of estimating the insulation life of a resin insulator |
EP80901332A EP0036023B1 (en) | 1979-07-25 | 1981-02-09 | A method of estimating the insulation life of an electrical appliance incorporating a resin insulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9628479A JPS5618765A (en) | 1979-07-25 | 1979-07-25 | Insulation life estimation of electric appliance |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5618765A true JPS5618765A (en) | 1981-02-21 |
JPS6131823B2 JPS6131823B2 (en) | 1986-07-23 |
Family
ID=14160799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9628479A Granted JPS5618765A (en) | 1979-07-25 | 1979-07-25 | Insulation life estimation of electric appliance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5618765A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5652394A (en) * | 1994-04-08 | 1997-07-29 | Nippon Steel Corporation | Stress sensor fabricated from a material having precipitated granular carbides |
-
1979
- 1979-07-25 JP JP9628479A patent/JPS5618765A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5652394A (en) * | 1994-04-08 | 1997-07-29 | Nippon Steel Corporation | Stress sensor fabricated from a material having precipitated granular carbides |
Also Published As
Publication number | Publication date |
---|---|
JPS6131823B2 (en) | 1986-07-23 |
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