JPS6148856B2 - - Google Patents
Info
- Publication number
- JPS6148856B2 JPS6148856B2 JP13318980A JP13318980A JPS6148856B2 JP S6148856 B2 JPS6148856 B2 JP S6148856B2 JP 13318980 A JP13318980 A JP 13318980A JP 13318980 A JP13318980 A JP 13318980A JP S6148856 B2 JPS6148856 B2 JP S6148856B2
- Authority
- JP
- Japan
- Prior art keywords
- vacuum
- degree
- shield
- electric field
- polarizer
- 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.)
- Expired
Links
- 230000005684 electric field Effects 0.000 claims description 21
- 230000010287 polarization Effects 0.000 claims description 12
- 238000012806 monitoring device Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/668—Means for obtaining or monitoring the vacuum
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Measuring Fluid Pressure (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13318980A JPS5757230A (en) | 1980-09-25 | 1980-09-25 | Monitoring device of degree of vacuum for vacuum electric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13318980A JPS5757230A (en) | 1980-09-25 | 1980-09-25 | Monitoring device of degree of vacuum for vacuum electric equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5757230A JPS5757230A (en) | 1982-04-06 |
| JPS6148856B2 true JPS6148856B2 (US06544258-20030408-M00015.png) | 1986-10-27 |
Family
ID=15098773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13318980A Granted JPS5757230A (en) | 1980-09-25 | 1980-09-25 | Monitoring device of degree of vacuum for vacuum electric equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5757230A (US06544258-20030408-M00015.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0535894Y2 (US06544258-20030408-M00015.png) * | 1985-07-12 | 1993-09-10 |
-
1980
- 1980-09-25 JP JP13318980A patent/JPS5757230A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0535894Y2 (US06544258-20030408-M00015.png) * | 1985-07-12 | 1993-09-10 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5757230A (en) | 1982-04-06 |
