GB1227729A - - Google Patents
Info
- Publication number
- GB1227729A GB1227729A GB1227729DA GB1227729A GB 1227729 A GB1227729 A GB 1227729A GB 1227729D A GB1227729D A GB 1227729DA GB 1227729 A GB1227729 A GB 1227729A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blades
- contacts
- resistors
- high voltage
- contact blades
- 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
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000012212 insulator Substances 0.000 abstract 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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
- H01H33/166—Impedances connected with contacts the impedance being inserted only while closing the switch
-
- 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
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
- H01H31/30—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact actuated through the movement of one or more insulators
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76882568A | 1968-10-18 | 1968-10-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1227729A true GB1227729A (es) | 1971-04-07 |
Family
ID=25083589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1227729D Expired GB1227729A (es) | 1968-10-18 | 1969-09-17 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3576414A (es) |
GB (1) | GB1227729A (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2430075A1 (fr) * | 1978-06-26 | 1980-01-25 | Ave Belli Andrea | Interrupteur electrique avec extinction de l'arc de rupture de contact |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3697712A (en) * | 1971-01-07 | 1972-10-10 | S & C Electric Co | High voltage switch with preinsertion resistor connected in the circuit through graphite corona balls |
US4695918A (en) * | 1986-07-24 | 1987-09-22 | S&C Electric Company | Pre-insertion inductor arrangement |
US4788390A (en) * | 1988-04-26 | 1988-11-29 | Siemens Energy & Automation, Inc. | Shunt capacitor switch with an impedance insertion element |
FR2668647B1 (fr) * | 1990-10-26 | 1992-12-24 | Gec Alsthom Engergie Inc | Sectionneur a insertion de resistance. |
US6483679B1 (en) | 2001-06-18 | 2002-11-19 | Southern States, Inc. | Capacitor switch with external resistor and insertion whip |
US8445805B2 (en) | 2011-01-07 | 2013-05-21 | Michael David Glaser | Vacuum switch with pre-insertion contact |
US10170255B1 (en) | 2018-06-26 | 2019-01-01 | Michael D. Glaser | Vacuum capacitor switch with pre-insertion contact |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB430452A (en) * | 1934-03-28 | 1935-06-19 | John Swinney | Improvements relating to electric circuit interrupters |
GB530338A (en) * | 1939-06-21 | 1940-12-10 | British Thomson Houston Co Ltd | Improvements relating to gas blast electric circuit breakers |
US2710322A (en) * | 1953-08-17 | 1955-06-07 | Eastern Power Devices Ltd | Circuit interrupter |
CH359188A (de) * | 1958-06-11 | 1961-12-31 | Sprecher & Schuh Ag | Trennschalter zum Abschalten von Lastströmen, insbesondere für Höchstspannungsanlagen |
US3235694A (en) * | 1962-11-13 | 1966-02-15 | Ite Circuit Breaker Ltd | High voltage double break air switch with damping resistors |
US3291947A (en) * | 1964-06-12 | 1966-12-13 | Westinghouse Electric Corp | Interrupting structures for compressedgas circuit interrupters having double-break hollow rotative moving contact-arm assembly |
-
1968
- 1968-10-18 US US768825A patent/US3576414A/en not_active Expired - Lifetime
-
1969
- 1969-09-17 GB GB1227729D patent/GB1227729A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2430075A1 (fr) * | 1978-06-26 | 1980-01-25 | Ave Belli Andrea | Interrupteur electrique avec extinction de l'arc de rupture de contact |
Also Published As
Publication number | Publication date |
---|---|
US3576414A (en) | 1971-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |