ES476633A1 - Un aparato revelador perfeccionado. - Google Patents
Un aparato revelador perfeccionado.Info
- Publication number
- ES476633A1 ES476633A1 ES476633A ES476633A ES476633A1 ES 476633 A1 ES476633 A1 ES 476633A1 ES 476633 A ES476633 A ES 476633A ES 476633 A ES476633 A ES 476633A ES 476633 A1 ES476633 A1 ES 476633A1
- Authority
- ES
- Spain
- Prior art keywords
- remote location
- zero sequence
- circuit breaker
- protective relaying
- ground
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/30—Staggered disconnection
-
- 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
- H02H3/40—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 ratio of voltage and current
- H02H3/402—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 ratio of voltage and current using homopolar quantities
Landscapes
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86878978A | 1978-01-12 | 1978-01-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES476633A1 true ES476633A1 (es) | 1979-12-01 |
Family
ID=25352322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES476633A Expired ES476633A1 (es) | 1978-01-12 | 1979-01-08 | Un aparato revelador perfeccionado. |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5497748A (xx) |
BR (1) | BR7900098A (xx) |
DE (1) | DE2900654A1 (xx) |
ES (1) | ES476633A1 (xx) |
FR (1) | FR2414810A1 (xx) |
GB (1) | GB2012505B (xx) |
IT (1) | IT1110058B (xx) |
MX (1) | MX145530A (xx) |
SE (1) | SE436237B (xx) |
ZA (1) | ZA79137B (xx) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63179736U (xx) * | 1987-05-14 | 1988-11-21 | ||
SE459059B (sv) * | 1987-09-16 | 1989-05-29 | Asea Ab | Skydd foer hoegresistiva jordfel |
DE4439499C2 (de) * | 1994-10-27 | 1998-01-29 | Siemens Ag | Verfahren zum Erfassen eines Erdkurzschlusses auf einer elektrischen Energieübertragungsleitung |
US6453248B1 (en) * | 1998-07-21 | 2002-09-17 | Abb Inc. | High impedance fault detection |
AU755700B2 (en) * | 1999-11-29 | 2002-12-19 | Canon Kabushiki Kaisha | Power generation system, and method for installing the same |
ES2323994B1 (es) * | 2006-10-25 | 2010-05-13 | Universidad Del Pais Vasco-Euskal Herriko Unibertsitatea | Sistema de proteccion de linea electrica para determinar el sentido en el que se produce una falta. |
FI126892B (fi) * | 2016-05-23 | 2017-07-31 | Emtele Oy | Vikavirtaindikaattori |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3539866A (en) * | 1967-10-11 | 1970-11-10 | Federal Pacific Electric Co | Multi-zone fault protection systems |
-
1979
- 1979-01-08 ES ES476633A patent/ES476633A1/es not_active Expired
- 1979-01-09 BR BR7900098A patent/BR7900098A/pt unknown
- 1979-01-10 MX MX176245A patent/MX145530A/es unknown
- 1979-01-10 DE DE19792900654 patent/DE2900654A1/de not_active Withdrawn
- 1979-01-10 GB GB79866A patent/GB2012505B/en not_active Expired
- 1979-01-11 JP JP106879A patent/JPS5497748A/ja active Pending
- 1979-01-11 SE SE7900254A patent/SE436237B/sv unknown
- 1979-01-12 IT IT19231/79A patent/IT1110058B/it active
- 1979-01-12 ZA ZA00790137A patent/ZA79137B/xx unknown
- 1979-01-12 FR FR7900814A patent/FR2414810A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2414810A1 (fr) | 1979-08-10 |
IT1110058B (it) | 1985-12-23 |
IT7919231A0 (it) | 1979-01-12 |
JPS5497748A (en) | 1979-08-02 |
ZA79137B (en) | 1979-12-27 |
MX145530A (es) | 1982-03-02 |
SE7900254L (sv) | 1979-09-14 |
GB2012505A (en) | 1979-07-25 |
GB2012505B (en) | 1982-04-28 |
SE436237B (sv) | 1984-11-19 |
DE2900654A1 (de) | 1979-07-19 |
BR7900098A (pt) | 1979-08-07 |
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