GB329020A - Improvements in or relating to electric switchgear - Google Patents
Improvements in or relating to electric switchgearInfo
- Publication number
- GB329020A GB329020A GB4502/29A GB450229A GB329020A GB 329020 A GB329020 A GB 329020A GB 4502/29 A GB4502/29 A GB 4502/29A GB 450229 A GB450229 A GB 450229A GB 329020 A GB329020 A GB 329020A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- electric switchgear
- switchgear
- electric
- 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
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
-
- 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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4502/29A GB329020A (en) | 1929-02-11 | 1929-02-11 | Improvements in or relating to electric switchgear |
US419984A US1782594A (en) | 1929-02-11 | 1930-01-10 | Electric switch gear |
DE1930543226D DE543226C (en) | 1929-02-11 | 1930-01-30 | Oil switch with lowerable oil switch |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4502/29A GB329020A (en) | 1929-02-11 | 1929-02-11 | Improvements in or relating to electric switchgear |
GB3478829 | 1929-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB329020A true GB329020A (en) | 1930-05-12 |
Family
ID=26239174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4502/29A Expired GB329020A (en) | 1929-02-11 | 1929-02-11 | Improvements in or relating to electric switchgear |
Country Status (3)
Country | Link |
---|---|
US (1) | US1782594A (en) |
DE (1) | DE543226C (en) |
GB (1) | GB329020A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0468300A1 (en) * | 1990-07-27 | 1992-01-29 | AEG Sachsenwerk GmbH | Device for testing insulation performance of metal-encapsulated, gas-filled switching systems |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE755223C (en) * | 1936-01-12 | 1953-06-01 | Siemens Schuckertwerke A G | High voltage switchgear |
US2594075A (en) * | 1949-07-09 | 1952-04-22 | Westinghouse Electric Corp | Metal enclosed switchgear |
US2600304A (en) * | 1950-06-10 | 1952-06-10 | Gen Electric | Substitute unit for circuit testing and grounding |
US2835769A (en) * | 1954-06-23 | 1958-05-20 | Gen Electric | Electric circuit breaker |
US2979590A (en) * | 1958-04-30 | 1961-04-11 | Westinghouse Electric Corp | Circuit interrupter |
DE2930075A1 (en) * | 1979-07-25 | 1981-02-12 | Bbc Brown Boveri & Cie | DISCONNECTOR |
-
1929
- 1929-02-11 GB GB4502/29A patent/GB329020A/en not_active Expired
-
1930
- 1930-01-10 US US419984A patent/US1782594A/en not_active Expired - Lifetime
- 1930-01-30 DE DE1930543226D patent/DE543226C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0468300A1 (en) * | 1990-07-27 | 1992-01-29 | AEG Sachsenwerk GmbH | Device for testing insulation performance of metal-encapsulated, gas-filled switching systems |
Also Published As
Publication number | Publication date |
---|---|
US1782594A (en) | 1930-11-25 |
DE543226C (en) | 1932-02-04 |
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