NL7215645A - - Google Patents
Info
- Publication number
- NL7215645A NL7215645A NL7215645A NL7215645A NL7215645A NL 7215645 A NL7215645 A NL 7215645A NL 7215645 A NL7215645 A NL 7215645A NL 7215645 A NL7215645 A NL 7215645A NL 7215645 A NL7215645 A NL 7215645A
- Authority
- NL
- Netherlands
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
- H01H33/593—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 for ensuring operation of the switch at a predetermined point of the ac cycle
-
- 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
- H01H33/006—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means adapted for interrupting fault currents with delayed zero crossings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Keying Circuit Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1704671 | 1971-11-22 | ||
| US00307022A US3808455A (en) | 1971-11-22 | 1972-11-16 | Pretriggering apparatus for a synchronous circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7215645A true NL7215645A (xx) | 1973-05-24 |
Family
ID=25718935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7215645A NL7215645A (xx) | 1971-11-22 | 1972-11-17 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3808455A (xx) |
| JP (1) | JPS4863256A (xx) |
| CA (1) | CA984045A (xx) |
| CH (1) | CH541227A (xx) |
| DE (1) | DE2252440C3 (xx) |
| FR (1) | FR2160925B1 (xx) |
| GB (1) | GB1378985A (xx) |
| NL (1) | NL7215645A (xx) |
| SE (1) | SE376324B (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU546304A3 (ru) * | 1973-10-05 | 1977-02-05 | Сименс Аг (Фирма) | Устройство дл защиты вентилей преобразовател |
| US4306263A (en) * | 1980-03-28 | 1981-12-15 | Gould Inc. | Synchronous closing system and latch therefor |
| CA1233583A (en) * | 1985-06-18 | 1988-03-01 | Francis Y. Hung | Protection arrangement for a telephone subscriber line interface circuit |
| US4670810A (en) * | 1986-03-17 | 1987-06-02 | Electronic Instrument & Specialty Corp. | Zero-current a.c. switching system |
| DE3812734A1 (de) * | 1988-04-16 | 1989-10-26 | Asea Brown Boveri | Verfahren und einrichtung zur steuerung einer antriebseinrichtung eines mittel- oder hochspannungsschaltgeraetes |
| US5410193A (en) * | 1992-10-02 | 1995-04-25 | Eastman Kodak Company | Apparatus and technique for connecting a source of zero crossing AC voltage to and disconnecting it from an AC load line |
| US5793594A (en) * | 1995-12-21 | 1998-08-11 | S&C Electric Company | Predictive control circuit and method for circuit interrupter |
| WO2016084057A1 (en) * | 2014-11-30 | 2016-06-02 | Abb Technology Ltd. | A method for estimating an electrical operating time of a circuit breaker |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2293296A (en) * | 1939-07-28 | 1942-08-18 | Bbc Brown Boveri & Cie | Arrangement for the sparkless interruption of currents |
| GB969915A (en) * | 1961-07-18 | 1964-09-16 | Central Electr Generat Board | Improvements in or relating to electrical circuit-breakers |
| US3097314A (en) * | 1961-07-24 | 1963-07-09 | Ryan Aeronautical Co | Alternating current silicon controlled rectifier switch |
| DE1158606B (de) * | 1961-12-28 | 1963-12-05 | Siemens Ag | Betaetigungseinrichtung fuer Synchronschalter |
| US3378727A (en) * | 1965-05-14 | 1968-04-16 | Siemens Ag | Circuit breaker for interrupting at zero current and automatically reclosing after unsuccessful interruption |
| US3555354A (en) * | 1969-03-11 | 1971-01-12 | Gen Electric | Alternating current circuit breaker having a control for timing opening relative to the current wave |
| US3530303A (en) * | 1969-04-01 | 1970-09-22 | Ite Imperial Corp | Current zero anticipating circuit |
| US3700923A (en) * | 1969-12-22 | 1972-10-24 | George E Platzer Jr | Solid state relay arrangement |
-
1971
- 1971-11-22 CH CH1704671A patent/CH541227A/de not_active IP Right Cessation
-
1972
- 1972-10-23 DE DE2252440A patent/DE2252440C3/de not_active Expired
- 1972-11-16 US US00307022A patent/US3808455A/en not_active Expired - Lifetime
- 1972-11-17 NL NL7215645A patent/NL7215645A/xx not_active Application Discontinuation
- 1972-11-21 SE SE7215116A patent/SE376324B/xx unknown
- 1972-11-21 CA CA157,054A patent/CA984045A/en not_active Expired
- 1972-11-21 FR FR7241349A patent/FR2160925B1/fr not_active Expired
- 1972-11-22 JP JP47117666A patent/JPS4863256A/ja active Pending
- 1972-11-22 GB GB5409572A patent/GB1378985A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2252440A1 (de) | 1973-05-30 |
| SE376324B (xx) | 1975-05-12 |
| GB1378985A (en) | 1975-01-02 |
| FR2160925A1 (xx) | 1973-07-06 |
| JPS4863256A (xx) | 1973-09-03 |
| FR2160925B1 (xx) | 1975-03-28 |
| DE2252440B2 (de) | 1975-01-09 |
| DE2252440C3 (de) | 1975-08-14 |
| CA984045A (en) | 1976-02-17 |
| US3808455A (en) | 1974-04-30 |
| CH541227A (de) | 1973-10-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |