JPS4957301A - - Google Patents
Info
- Publication number
- JPS4957301A JPS4957301A JP48071234A JP7123473A JPS4957301A JP S4957301 A JPS4957301 A JP S4957301A JP 48071234 A JP48071234 A JP 48071234A JP 7123473 A JP7123473 A JP 7123473A JP S4957301 A JPS4957301 A JP S4957301A
- 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
- 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
- H01H33/666—Operating arrangements
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
-
- 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
- H01H33/002—Very heavy-current switches
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2230900A DE2230900C3 (en) | 1972-06-23 | 1972-06-23 | Short-circuiting device for generator leads |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4957301A true JPS4957301A (en) | 1974-06-04 |
| JPS5515938B2 JPS5515938B2 (en) | 1980-04-26 |
Family
ID=5848651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7123473A Expired JPS5515938B2 (en) | 1972-06-23 | 1973-06-22 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3855434A (en) |
| JP (1) | JPS5515938B2 (en) |
| AT (1) | AT355660B (en) |
| CH (1) | CH552294A (en) |
| DE (1) | DE2230900C3 (en) |
| FR (1) | FR2189916B1 (en) |
| GB (1) | GB1438980A (en) |
| SE (1) | SE390093B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT355661B (en) * | 1973-12-14 | 1980-03-10 | Siemens Ag | SHORT-CLOSING AND EARTHING DEVICE FOR ENCLOSED BUSBARS |
| US4130850A (en) * | 1977-01-12 | 1978-12-19 | Gould Inc. | High speed fault diverter switch for gas-insulated systems |
| GB2129617B (en) * | 1982-09-22 | 1986-07-23 | Scott L & Electromotors Ltd | Electrical isolating switch |
| DE4405206A1 (en) * | 1994-02-18 | 1995-08-24 | Abb Research Ltd | Switching device |
| FR2763171B1 (en) * | 1997-05-07 | 1999-07-09 | Gec Alsthom T & D Sa | CIRCUIT BREAKER |
| FR2763422B1 (en) * | 1997-05-15 | 1999-07-09 | Gec Alsthom T & D Sa | GENERATOR CIRCUIT BREAKER |
| JP2003274525A (en) * | 2002-03-19 | 2003-09-26 | Hitachi Ltd | Gas-insulated switchgear tank |
| US9407083B1 (en) * | 2012-04-26 | 2016-08-02 | The Boeing Company | Combined subtransient current suppression and overvoltage transient protection |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB400716A (en) * | 1932-06-17 | 1933-11-02 | Gen Electric Co Ltd | Improvements in or relating to withdrawable electric switchgear |
| US2445588A (en) * | 1944-07-11 | 1948-07-20 | Gen Electric | Electrical switchgear |
| US2978560A (en) * | 1958-03-20 | 1961-04-04 | Ite Circuit Breaker Ltd | Interrupter unit for telescoping blade switch |
| US3399286A (en) * | 1966-03-07 | 1968-08-27 | Powerdyne Inc | High voltage electric swtich |
| DE1993592U (en) * | 1968-04-25 | 1968-09-12 | Siemens Ag | SHORT CIRCUIT DEVICE FOR VERTICAL TRACK RAILS. |
| CH497057A (en) * | 1969-03-03 | 1970-09-30 | Bbc Brown Boveri & Cie | Switchgear with at least one sliding switchgear |
-
1972
- 1972-06-23 DE DE2230900A patent/DE2230900C3/en not_active Expired
-
1973
- 1973-06-12 US US00369228A patent/US3855434A/en not_active Expired - Lifetime
- 1973-06-14 AT AT524673A patent/AT355660B/en not_active IP Right Cessation
- 1973-06-22 JP JP7123473A patent/JPS5515938B2/ja not_active Expired
- 1973-06-22 FR FR7323009A patent/FR2189916B1/fr not_active Expired
- 1973-06-22 CH CH915473A patent/CH552294A/en not_active IP Right Cessation
- 1973-06-25 GB GB3014873A patent/GB1438980A/en not_active Expired
- 1973-06-25 SE SE7308879A patent/SE390093B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH552294A (en) | 1974-07-31 |
| FR2189916B1 (en) | 1977-02-18 |
| ATA524673A (en) | 1979-08-15 |
| FR2189916A1 (en) | 1974-01-25 |
| GB1438980A (en) | 1976-06-09 |
| DE2230900B2 (en) | 1980-07-03 |
| JPS5515938B2 (en) | 1980-04-26 |
| DE2230900C3 (en) | 1981-03-12 |
| DE2230900A1 (en) | 1974-01-17 |
| AT355660B (en) | 1980-03-10 |
| SE390093B (en) | 1976-11-29 |
| US3855434A (en) | 1974-12-17 |