GB1240024A - Apparatus for attenuating voltage surges - Google Patents
Apparatus for attenuating voltage surgesInfo
- Publication number
- GB1240024A GB1240024A GB36810/69A GB3681069A GB1240024A GB 1240024 A GB1240024 A GB 1240024A GB 36810/69 A GB36810/69 A GB 36810/69A GB 3681069 A GB3681069 A GB 3681069A GB 1240024 A GB1240024 A GB 1240024A
- Authority
- GB
- United Kingdom
- Prior art keywords
- switch
- resistance
- july
- voltage surges
- attenuating voltage
- 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
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
1,240,024. Arc preventing in switches. BROWN BOVERI & CO. Ltd. 22 July, 1969 [24 July, 1968], No. 36810/69. Heading H1N. A power switch 2 at the end of a highvoltage line has adjacent thereto separate apparatus comprising a series resistance 4a which has in parallel a spark-gap over-voltage protector 4a and a by-pass switch 4b arranged to operate in sequence with the switch 2 so that resistance 4a is brought into circuit before the switch 2 is opened and by-passed after the switch 2 is closed. A compensating choke 5 may be provided as shown or may be connected on the side of the resistance 4a remote from the switch 2 (Fig. 3, not shown).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1111168A CH485344A (en) | 1968-07-24 | 1968-07-24 | Arrangement for damping overvoltages on a high-voltage line |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1240024A true GB1240024A (en) | 1971-07-21 |
Family
ID=4370169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB36810/69A Expired GB1240024A (en) | 1968-07-24 | 1969-07-22 | Apparatus for attenuating voltage surges |
Country Status (11)
Country | Link |
---|---|
US (1) | US3590319A (en) |
AT (1) | AT286419B (en) |
BE (1) | BE736358A (en) |
CH (1) | CH485344A (en) |
DE (1) | DE1920261A1 (en) |
ES (1) | ES369744A1 (en) |
FR (1) | FR2013592A1 (en) |
GB (1) | GB1240024A (en) |
NL (1) | NL6911130A (en) |
NO (1) | NO130380B (en) |
SE (1) | SE347397B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3444317A1 (en) * | 1984-11-12 | 1986-05-15 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | Reactance switch |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957329A (en) * | 1974-11-01 | 1976-05-18 | I-T-E Imperial Corporation | Fault-current limiter for high power electrical transmission systems |
DE2503034C3 (en) * | 1975-01-25 | 1978-05-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Process for reducing the mechanical stress on turbo sets in the case of three-pole network short-circuits close to the generator |
CH598691A5 (en) * | 1976-06-21 | 1978-05-12 | Bbc Brown Boveri & Cie | |
US4093968A (en) * | 1976-11-22 | 1978-06-06 | Emerson Electric Co. | Resistors with heat sink |
US4172269A (en) * | 1977-12-19 | 1979-10-23 | North American Philips Corporation | Circuit for overshoot supression in X-ray generators |
JPS55105921A (en) * | 1979-02-08 | 1980-08-14 | Tokyo Shibaura Electric Co | Method of closing breaker |
JPS5994107A (en) * | 1982-11-18 | 1984-05-30 | Mitsubishi Electric Corp | Actuator testing device |
JP3429932B2 (en) * | 1995-12-13 | 2003-07-28 | 三菱電機株式会社 | Power converter protection device |
US8922957B2 (en) * | 2008-04-30 | 2014-12-30 | Keysight Technologies, Inc. | Dynamic switch contact protection |
US8593777B1 (en) * | 2012-05-11 | 2013-11-26 | Apple Inc. | User-actuated button ESD protection circuit with spark gap |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1357257A (en) * | 1918-09-16 | 1920-11-02 | Westinghouse Electric & Mfg Co | Switching device |
FR999802A (en) * | 1946-01-08 | 1952-02-05 | Merlin Gerin | Improvements to resistance switches |
US2802149A (en) * | 1953-12-30 | 1957-08-06 | Bell Telephone Labor Inc | Contact protection circuits |
-
1968
- 1968-07-24 CH CH1111168A patent/CH485344A/en not_active IP Right Cessation
-
1969
- 1969-04-18 AT AT376569A patent/AT286419B/en not_active IP Right Cessation
- 1969-04-22 DE DE19691920261 patent/DE1920261A1/en active Pending
- 1969-07-18 US US843059A patent/US3590319A/en not_active Expired - Lifetime
- 1969-07-21 NL NL6911130A patent/NL6911130A/xx unknown
- 1969-07-21 FR FR6924744A patent/FR2013592A1/fr not_active Withdrawn
- 1969-07-22 BE BE736358D patent/BE736358A/xx unknown
- 1969-07-22 NO NO03031/69A patent/NO130380B/no unknown
- 1969-07-22 SE SE10356/69A patent/SE347397B/xx unknown
- 1969-07-22 ES ES369744A patent/ES369744A1/en not_active Expired
- 1969-07-22 GB GB36810/69A patent/GB1240024A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3444317A1 (en) * | 1984-11-12 | 1986-05-15 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | Reactance switch |
Also Published As
Publication number | Publication date |
---|---|
NL6911130A (en) | 1970-01-27 |
US3590319A (en) | 1971-06-29 |
DE1920261A1 (en) | 1970-05-27 |
AT286419B (en) | 1970-12-10 |
FR2013592A1 (en) | 1970-04-03 |
CH485344A (en) | 1970-01-31 |
NO130380B (en) | 1974-08-19 |
ES369744A1 (en) | 1971-04-01 |
BE736358A (en) | 1969-12-31 |
SE347397B (en) | 1972-07-31 |
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