JPS49128245A - - Google Patents
Info
- Publication number
- JPS49128245A JPS49128245A JP49033090A JP3309074A JPS49128245A JP S49128245 A JPS49128245 A JP S49128245A JP 49033090 A JP49033090 A JP 49033090A JP 3309074 A JP3309074 A JP 3309074A JP S49128245 A JPS49128245 A JP S49128245A
- Authority
- JP
- Japan
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/065—Means for detecting or reacting to mechanical or electrical defects
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Relating To Insulation (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Engines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2315323A DE2315323B2 (de) | 1973-03-23 | 1973-03-23 | Einrichtung zur Erfassung dielektrischer Durchschläge in metallgekapselten Hochspannungsschaltanlagen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49128245A true JPS49128245A (US20080293856A1-20081127-C00150.png) | 1974-12-09 |
| JPS582540B2 JPS582540B2 (ja) | 1983-01-17 |
Family
ID=5876115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49033090A Expired JPS582540B2 (ja) | 1973-03-23 | 1974-03-23 | ミツペイガタコウデンアツセツビ ノ ゼツエンハカイケンシユツソウチ |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5610008A (en) * | 1979-07-03 | 1981-02-02 | Mitsubishi Electric Corp | Gas insulated switching unit |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4639817A (en) * | 1984-05-15 | 1987-01-27 | Westinghouse Electric Corp. | Protective relay circuit for detecting arcing faults on low-voltage spot networks |
| DE3433362A1 (de) * | 1984-09-07 | 1986-03-20 | Siemens Ag | Metallgekapselte, druckgasisolierte hochspannungsschaltanlage mit mehreren, mittels schottdurchfuehrungsisolatoren gasdicht geschotteten teilabschnitten der kapselung |
| CH668132A5 (de) * | 1985-09-20 | 1988-11-30 | Sprecher Energie Ag | Einrichtung zur feststellung von teilentladungen in hochspannungsanlagen. |
| US4975800A (en) * | 1988-03-14 | 1990-12-04 | Hitachi, Ltd. | Contact abnormality detecting system |
| US5064998A (en) * | 1988-08-04 | 1991-11-12 | Whirlpool Corporation | Relay control apparatus |
| DE9420199U1 (de) * | 1994-12-07 | 1995-02-09 | Siemens AG, 80333 München | Metallgekapselte Hochspannungsschaltanlage |
| FR2757321B1 (fr) * | 1996-12-16 | 1999-01-15 | Gec Alsthom T & D Sa | Procede de discrimination entre un arc interne et un arc de coupure detectes dans une installation electrique sous enveloppe metallique |
| FR2761541B1 (fr) * | 1997-03-28 | 1999-05-21 | Gec Alsthom T & D Sa | Appareillage electrique sous enveloppe metallique avec un systeme de localisation d'arc par capteurs de pression ou de densite |
| US9362071B2 (en) | 2011-03-02 | 2016-06-07 | Franklin Fueling Systems, Inc. | Gas density monitoring system |
| CN104380419A (zh) | 2012-02-20 | 2015-02-25 | 富兰克林加油系统公司 | 水分监视系统 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736009A (en) * | 1956-02-21 | Lilzlj | ||
| US1917087A (en) * | 1928-03-19 | 1933-07-04 | Gen Electric | Protective device for electrical apparatus |
| US2679037A (en) * | 1953-01-09 | 1954-05-18 | Edgerton Germeshausen And Grie | Electric system for indicating the occurrence of a pair of signals |
| US2900628A (en) * | 1956-01-27 | 1959-08-18 | Westinghouse Electric Corp | Multiple fault indicating system |
| US3535591A (en) * | 1968-01-02 | 1970-10-20 | Sola Basic Ind Inc | Monitoring system for polyphase electric supply system |
| US3599044A (en) * | 1970-04-30 | 1971-08-10 | Fuji Electric Co Ltd | Superhigh-speed relaying system and apparatus for protection of power systems |
| CA932446A (en) * | 1970-11-18 | 1973-08-21 | Svekis Imants | Sonic detection of corona in high voltage transformers |
-
1973
- 1973-03-23 DE DE2315323A patent/DE2315323B2/de not_active Ceased
-
1974
- 1974-01-21 FR FR7401959A patent/FR2222777B1/fr not_active Expired
- 1974-01-22 SE SE7400807A patent/SE397907B/xx unknown
- 1974-03-18 US US452261A patent/US3887915A/en not_active Expired - Lifetime
- 1974-03-21 CH CH391474A patent/CH569372A5/xx not_active IP Right Cessation
- 1974-03-21 IT IT67875/74A patent/IT1011608B/it active
- 1974-03-22 NL NL7403888A patent/NL7403888A/xx not_active Application Discontinuation
- 1974-03-22 GB GB1294574A patent/GB1460165A/en not_active Expired
- 1974-03-23 JP JP49033090A patent/JPS582540B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5610008A (en) * | 1979-07-03 | 1981-02-02 | Mitsubishi Electric Corp | Gas insulated switching unit |
| JPS6260888B2 (US20080293856A1-20081127-C00150.png) * | 1979-07-03 | 1987-12-18 | Mitsubishi Electric Corp |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2222777B1 (US20080293856A1-20081127-C00150.png) | 1978-02-17 |
| NL7403888A (US20080293856A1-20081127-C00150.png) | 1974-09-25 |
| US3887915A (en) | 1975-06-03 |
| DE2315323B2 (de) | 1980-06-19 |
| JPS582540B2 (ja) | 1983-01-17 |
| CH569372A5 (US20080293856A1-20081127-C00150.png) | 1975-11-14 |
| DE2315323A1 (de) | 1974-09-26 |
| SE397907B (sv) | 1977-11-21 |
| IT1011608B (it) | 1977-02-10 |
| GB1460165A (en) | 1976-12-31 |
| FR2222777A1 (US20080293856A1-20081127-C00150.png) | 1974-10-18 |
