GB1151831A - High Voltage Circuit Breaker with Means for Inserting Resistors During Closing. - Google Patents
High Voltage Circuit Breaker with Means for Inserting Resistors During Closing.Info
- Publication number
- GB1151831A GB1151831A GB996/68A GB99668A GB1151831A GB 1151831 A GB1151831 A GB 1151831A GB 996/68 A GB996/68 A GB 996/68A GB 99668 A GB99668 A GB 99668A GB 1151831 A GB1151831 A GB 1151831A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gap
- contacts
- main
- arc
- electrodes
- 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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
-
- 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
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
1,151,831. Arcing preventing in switches. GENERAL ELECTRIC CO. 8 Jan., 1968 [24 Feb., 1967], No. 996/68. Heading H1N. A resistor 30 is connected across each pair of contacts 12, 14 of a multi-break circuit-breaker by means of a triggered spark gap 32 during closing. The vacuum gaps 32 are of the kind comprising main electrodes 46, 48a and auxiliary electrodes 58, 60 of titanium with absorbed hydrogen; when a pulse from a source 70 is applied to electrodes 58, 60 an arc is struck between them which feeds plasma to the main gap 50. An arc then strikes across the main gap 50 to connect the resistor 30 across main contacts 12, 14. The source 70 is operated by an S.C.R. which is rendered conductive by light transmitted from a lamp 75 by fibre optics 73. The lamp 75 is energized, after contacts 85 are closed by initial movement of main contacts 14, by a timing circuit 80 so that all sources 70 provide triggering pulses within a few microseconds of the voltage zero. Shortly after 85 another contact 92 closes and an oscillator 90 provides repetitive pulses to maintain the arc across gap 50 until contacts 12, 14 are fully closed when a cam switch 86 disconnects the lamp. The oscillator is omitted if gap 32 is of the low pressure gas filled type which maintains the arc after current zero. Both electrodes of the gap 50 may be triggered (Fig. 1a, not shown). In a modification (Fig. 2, not shown) the resistor and spark gap are connected between the fixed contact 12 and an auxiliary contact (100) thus providing an isolating gap (102) in the open position. The resistors may be connected across the main contacts during opening as well by means of auxiliary switches (110) (Fig. 3, not shown), or by making one contact of the spark gaps movable to engage the other when the main contacts close (Fig. 4, not shown).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61840567A | 1967-02-24 | 1967-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1151831A true GB1151831A (en) | 1969-05-14 |
Family
ID=24477559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB996/68A Expired GB1151831A (en) | 1967-02-24 | 1968-01-08 | High Voltage Circuit Breaker with Means for Inserting Resistors During Closing. |
Country Status (4)
Country | Link |
---|---|
US (1) | US3500009A (en) |
DE (1) | DE1640286A1 (en) |
FR (1) | FR1553618A (en) |
GB (1) | GB1151831A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE343717B (en) * | 1968-04-01 | 1972-03-13 | Asea Ab | |
US3566152A (en) * | 1969-07-23 | 1971-02-23 | Gen Electric | High voltage electric circuit breaker including a synchronously closed resistor switch |
FR2086882A5 (en) * | 1970-04-13 | 1971-12-31 | France Etat | |
US3891813A (en) * | 1973-05-04 | 1975-06-24 | Westinghouse Electric Corp | EHV circuit breaker utilizing gallium cathode ignitrons for synchronous closing |
US3995198A (en) * | 1973-05-14 | 1976-11-30 | Licentia Patent-Verwaltungs-G.M.B.H. | High voltage circuit breaker |
US8718968B2 (en) * | 2010-08-31 | 2014-05-06 | Abb Technology Ag | Circuit breaker interrupter travel curve estimation |
EP3561846B1 (en) * | 2018-04-27 | 2023-10-11 | Siemens Energy Global GmbH & Co. KG | Vacuum circuit breaker |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2284842A (en) * | 1939-11-06 | 1942-06-02 | Gen Electric | Circuit breaking apparatus |
US2365132A (en) * | 1941-09-25 | 1944-12-12 | Reyrolle A & Co Ltd | Electric circuit breaker of the gas-blast type |
GB561178A (en) * | 1942-07-30 | 1944-05-09 | Cedric Harold Flurscheim | Improvements in air or gas blast electric switches |
US2665396A (en) * | 1951-11-02 | 1954-01-05 | Mcgraw Electric Co | Circuit breaker |
GB824103A (en) * | 1954-11-24 | 1959-11-25 | Lewis Berger & Sons Ltd | Improvements in or relating to the manufacture of copolymers of epoxide resin esters |
CA712682A (en) * | 1960-03-30 | 1965-06-29 | Kesselring Fritz | Synchronous circuit-interrupting devices |
US3252050A (en) * | 1964-04-07 | 1966-05-17 | Gen Electric | Circuit interrupting means for a high voltage direct-current circuit with means for reducing the severity of the recovery voltage |
US3267241A (en) * | 1964-10-05 | 1966-08-16 | Gen Electric | Multiple break high voltage circuit breaker with variable length gap control means |
-
1967
- 1967-02-24 US US618405A patent/US3500009A/en not_active Expired - Lifetime
-
1968
- 1968-01-08 GB GB996/68A patent/GB1151831A/en not_active Expired
- 1968-02-22 FR FR1553618D patent/FR1553618A/fr not_active Expired
- 1968-02-22 DE DE19681640286 patent/DE1640286A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR1553618A (en) | 1969-01-10 |
US3500009A (en) | 1970-03-10 |
DE1640286A1 (en) | 1970-10-01 |
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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 |