BR7900098A - Aparelhagem protetora de rele - Google Patents
Aparelhagem protetora de releInfo
- Publication number
- BR7900098A BR7900098A BR7900098A BR7900098A BR7900098A BR 7900098 A BR7900098 A BR 7900098A BR 7900098 A BR7900098 A BR 7900098A BR 7900098 A BR7900098 A BR 7900098A BR 7900098 A BR7900098 A BR 7900098A
- Authority
- BR
- Brazil
- Prior art keywords
- relay protective
- protective appliance
- appliance
- relay
- protective
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86878978A | 1978-01-12 | 1978-01-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7900098A true BR7900098A (pt) | 1979-08-07 |
Family
ID=25352322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7900098A BR7900098A (pt) | 1978-01-12 | 1979-01-09 | Aparelhagem protetora de rele |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5497748A (pt) |
BR (1) | BR7900098A (pt) |
DE (1) | DE2900654A1 (pt) |
ES (1) | ES476633A1 (pt) |
FR (1) | FR2414810A1 (pt) |
GB (1) | GB2012505B (pt) |
IT (1) | IT1110058B (pt) |
MX (1) | MX145530A (pt) |
SE (1) | SE436237B (pt) |
ZA (1) | ZA79137B (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63179736U (pt) * | 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 GB GB79866A patent/GB2012505B/en not_active Expired
- 1979-01-10 MX MX176245A patent/MX145530A/es unknown
- 1979-01-10 DE DE19792900654 patent/DE2900654A1/de not_active Withdrawn
- 1979-01-11 JP JP106879A patent/JPS5497748A/ja active Pending
- 1979-01-11 SE SE7900254A patent/SE436237B/sv unknown
- 1979-01-12 FR FR7900814A patent/FR2414810A1/fr active Pending
- 1979-01-12 IT IT19231/79A patent/IT1110058B/it active
- 1979-01-12 ZA ZA00790137A patent/ZA79137B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB2012505B (en) | 1982-04-28 |
SE436237B (sv) | 1984-11-19 |
IT1110058B (it) | 1985-12-23 |
ES476633A1 (es) | 1979-12-01 |
FR2414810A1 (fr) | 1979-08-10 |
GB2012505A (en) | 1979-07-25 |
SE7900254L (sv) | 1979-09-14 |
MX145530A (es) | 1982-03-02 |
DE2900654A1 (de) | 1979-07-19 |
ZA79137B (en) | 1979-12-27 |
IT7919231A0 (it) | 1979-01-12 |
JPS5497748A (en) | 1979-08-02 |
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