IE810731L - Current interrupter - Google Patents
Current interrupterInfo
- Publication number
- IE810731L IE810731L IE810731A IE73181A IE810731L IE 810731 L IE810731 L IE 810731L IE 810731 A IE810731 A IE 810731A IE 73181 A IE73181 A IE 73181A IE 810731 L IE810731 L IE 810731L
- Authority
- IE
- Ireland
- Prior art keywords
- current interrupter
- gb2073969a
- digitised
- overcurrent
- analysed
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
- H02H3/105—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
- H02H3/0935—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means the timing being determined by numerical means
Abstract
In an overcurrent or earth-leakage protective system, the current sensor output is digitised and then analysed in a digital processor 154. <IMAGE>
[GB2073969A]
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14063180A | 1980-04-15 | 1980-04-15 | |
US06/140,632 US4377836A (en) | 1980-04-15 | 1980-04-15 | Circuit interrupter with solid state digital trip unit and positive power-up feature |
Publications (2)
Publication Number | Publication Date |
---|---|
IE810731L true IE810731L (en) | 1981-10-15 |
IE51346B1 IE51346B1 (en) | 1986-12-10 |
Family
ID=26838358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE731/81A IE51346B1 (en) | 1980-04-15 | 1981-03-31 | Circuit interrupter with front panel numeric display |
Country Status (9)
Country | Link |
---|---|
AU (1) | AU549018B2 (en) |
BR (1) | BR8102310A (en) |
CH (1) | CH658755A5 (en) |
FR (1) | FR2481534B1 (en) |
GB (1) | GB2073969B (en) |
IE (1) | IE51346B1 (en) |
IT (1) | IT1137369B (en) |
MX (1) | MX154859A (en) |
NZ (1) | NZ196611A (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4456871A (en) * | 1982-04-05 | 1984-06-26 | Siemens-Allis, Inc. | Power supply for electronic control system |
US4446498A (en) * | 1982-04-05 | 1984-05-01 | Siemens-Allis, Inc. | Electronic control system for overload relay or the like |
US4423458A (en) | 1982-04-05 | 1983-12-27 | Siemens-Allis, Inc. | Signal processing system for overload relay or the like |
US4423459A (en) | 1982-04-05 | 1983-12-27 | Siemens-Allis, Inc. | Solid state circuit protection system and method |
US4672501A (en) * | 1984-06-29 | 1987-06-09 | General Electric Company | Circuit breaker and protective relay unit |
FR2578090B1 (en) * | 1985-02-25 | 1989-12-01 | Merlin Gerin | CIRCUIT BREAKER WITH DIGITAL STATIC TRIGGER WITH REVERSE TIME TRIGGERING FUNCTION |
FR2578091B1 (en) * | 1985-02-25 | 1988-08-05 | Merlin Gerin | CIRCUIT BREAKER WITH DIGITAL STATIC TRIGGER PROVIDED WITH A CALIBRATION CIRCUIT |
JPS61207128A (en) * | 1985-03-07 | 1986-09-13 | 三菱電機株式会社 | Anti-time limiting relay |
FR2595170B1 (en) * | 1986-03-03 | 1990-03-09 | Mors | ELECTRONIC ELECTRIC MOTOR PROTECTION METHOD AND DEVICE FOR IMPLEMENTING IT |
US4827369A (en) * | 1987-02-20 | 1989-05-02 | Westinghouse Electric Corp. | Circuit interrupter apparatus with a selectable display means |
US4752853A (en) * | 1987-02-20 | 1988-06-21 | Westinghouse Electric Corp. | Circuit interrupter apparatus with an integral trip curve display |
US4809125A (en) * | 1987-02-20 | 1989-02-28 | Westinghouse Electric Corp. | Circuit interrupter apparatus with a style saving rating plug |
JP2604015B2 (en) * | 1988-09-09 | 1997-04-23 | 日本碍子株式会社 | Distribution line monitoring system |
JPH0284014A (en) * | 1988-09-20 | 1990-03-26 | Ngk Insulators Ltd | Distribution line monitoring system |
JPH0834705B2 (en) * | 1988-11-16 | 1996-03-29 | 株式会社大林組 | Switch |
AT399429B (en) * | 1989-06-06 | 1995-05-26 | Gec Alsthom T & D Gmbh | ELECTRONIC DEVICE WITH A PLUG UNIT FOR SWITCHING MONITORING OF SWITCHGEAR |
US6097192A (en) * | 1998-03-05 | 2000-08-01 | General Electric Company | Method for initializing short time and groundfault protection heat index accumulators in a trip unit |
US8355230B2 (en) | 2003-12-08 | 2013-01-15 | Siemens Industry, Inc. | Extended instantaneous protection |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2609654B2 (en) * | 1976-03-09 | 1978-01-05 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | DIGITAL OVERCURRENT RELEASE |
FR2412079A1 (en) * | 1977-12-13 | 1979-07-13 | Electricite De France | Electrical power distribution network fault detector - has FET switches with low-pass filter providing blocking signals for isolating circuit at multivibrator output |
ES468764A1 (en) * | 1978-04-13 | 1979-10-01 | Arteche Instr Sistemas | A new delayed action electrical protection device, depending on an adjusted magnitude. |
GB2020124B (en) * | 1978-04-27 | 1982-08-25 | Tokyo Shibaura Electric Co | Overcurrent protection |
JPS55127821A (en) * | 1979-03-27 | 1980-10-03 | Tokyo Shibaura Electric Co | Digital protection relay unit |
GB2055263B (en) * | 1979-08-10 | 1983-01-12 | Tokyo Shibaura Electric Co | Adjusting protective relays |
US4319298A (en) * | 1979-08-28 | 1982-03-09 | General Electric Company | Motor protection device |
JPS57500313A (en) * | 1980-02-23 | 1982-02-18 |
-
1981
- 1981-03-24 NZ NZ196611A patent/NZ196611A/en unknown
- 1981-03-25 AU AU68732/81A patent/AU549018B2/en not_active Expired
- 1981-03-31 IE IE731/81A patent/IE51346B1/en not_active IP Right Cessation
- 1981-04-09 GB GB8111092A patent/GB2073969B/en not_active Expired
- 1981-04-14 CH CH2498/81A patent/CH658755A5/en not_active IP Right Cessation
- 1981-04-14 BR BR8102310A patent/BR8102310A/en not_active IP Right Cessation
- 1981-04-14 IT IT21171/81A patent/IT1137369B/en active
- 1981-04-14 MX MX186850A patent/MX154859A/en unknown
- 1981-04-15 FR FR8107623A patent/FR2481534B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2481534A1 (en) | 1981-10-30 |
GB2073969B (en) | 1984-09-26 |
BR8102310A (en) | 1981-12-08 |
NZ196611A (en) | 1985-07-31 |
FR2481534B1 (en) | 1986-12-26 |
IT8121171A0 (en) | 1981-04-14 |
AU6873281A (en) | 1981-10-22 |
MX154859A (en) | 1987-12-22 |
IE51346B1 (en) | 1986-12-10 |
GB2073969A (en) | 1981-10-21 |
CH658755A5 (en) | 1986-11-28 |
IT1137369B (en) | 1986-09-10 |
AU549018B2 (en) | 1986-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IE810731L (en) | Current interrupter | |
AU544777B2 (en) | Circuit interrupter with trip device | |
AU532285B2 (en) | Current limiting circuit interrupter | |
AU542308B2 (en) | Sensor fault detection | |
GB2109188B (en) | An improved cmos circuit and an information processor utilizing the cmos circuit | |
AU5167079A (en) | Current limiting circuit interrupter | |
AU544733B2 (en) | Circuit interrupter with digital trip unit and power supply | |
ZA811644B (en) | Circuit interrupter with digital trip unit and style designator circuit | |
AU6844081A (en) | Circuit interrupter with digital trip unit and optically- coupled data input/output system | |
AU557770B2 (en) | Combination weighing and counting | |
AU4320079A (en) | Rip detector signal detection circuit | |
AU526444B2 (en) | Saw signal processor | |
AU4418579A (en) | Compressed-gas circuit-interrupter | |
AU555257B2 (en) | Stored energy circuit breaker | |
AU541389B2 (en) | Digital signal processor | |
AU531263B2 (en) | Current limiting circuit interrupter | |
AU5167979A (en) | Current limiting circuit interrupter | |
JPS55102912A (en) | Amplifier limited at output current | |
AU554980B2 (en) | Oxygen sensor output linearizing circuit | |
AU546045B2 (en) | Cathode based on metal-aluminide | |
AU8099182A (en) | Combustibles sensor | |
AU8196382A (en) | Synthetic control and sera standard | |
JPS52114939A (en) | Digital protective relay unit | |
AU553426B2 (en) | Am detection | |
AU530047B2 (en) | Breaker point system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Patent lapsed |