BR8303709A - Sistema de rele de protecao - Google Patents
Sistema de rele de protecaoInfo
- Publication number
- BR8303709A BR8303709A BR8303709A BR8303709A BR8303709A BR 8303709 A BR8303709 A BR 8303709A BR 8303709 A BR8303709 A BR 8303709A BR 8303709 A BR8303709 A BR 8303709A BR 8303709 A BR8303709 A BR 8303709A
- Authority
- BR
- Brazil
- Prior art keywords
- relay system
- protective relay
- protective
- relay
- 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
- H02H7/261—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 involving signal transmission between at least two stations
- H02H7/262—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 involving signal transmission between at least two stations involving transmissions of switching or blocking orders
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/397,758 US4464697A (en) | 1982-07-13 | 1982-07-13 | Protective relay system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8303709A true BR8303709A (pt) | 1984-02-21 |
Family
ID=23572504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8303709A BR8303709A (pt) | 1982-07-13 | 1983-07-11 | Sistema de rele de protecao |
Country Status (8)
Country | Link |
---|---|
US (1) | US4464697A (pt) |
EP (1) | EP0102710B1 (pt) |
JP (1) | JPS5925525A (pt) |
BR (1) | BR8303709A (pt) |
CA (1) | CA1201796A (pt) |
DE (1) | DE3374500D1 (pt) |
ES (1) | ES524049A0 (pt) |
MX (1) | MX153677A (pt) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4538196A (en) * | 1983-04-22 | 1985-08-27 | Westinghouse Electric Corp. | Protective relay apparatus and method for providing single-pole tripping |
US4538195A (en) * | 1984-02-22 | 1985-08-27 | Westinghouse Electric Corp. | Three terminal current differential protective relay |
US4675775A (en) * | 1985-12-13 | 1987-06-23 | Westinghouse Electric Corp. | Active pilot wire apparatus for electromechanical current differential relays |
US4675774A (en) * | 1985-12-13 | 1987-06-23 | Westinghouse Electric Corp. | Direct transfer trip apparatus for use with an active pilot wire communications channel |
US4751604A (en) * | 1986-10-16 | 1988-06-14 | General Electric Company | Comparison signal error detector for protective relay system |
US4935837A (en) * | 1989-04-03 | 1990-06-19 | Abb Power T&D Company Inc. | Phase comparison relaying system with single channel communications link |
US4939617A (en) * | 1989-05-05 | 1990-07-03 | Dowty Rfl Industries Inc. | Method and apparatus for monitoring an AC transmission line |
US5592354A (en) * | 1991-03-19 | 1997-01-07 | Nocentino, Jr.; Albert | Audio bandwidth interface apparatus for pilot wire relays |
US5426554A (en) * | 1991-03-19 | 1995-06-20 | Albert Nocentino, Jr. | Audio bandwidth interface apparatus for pilot wire relays |
US5267231A (en) * | 1991-07-03 | 1993-11-30 | Abb Power T&D Company Inc. | Digital communication channel interface |
FR2709867B1 (fr) * | 1993-09-08 | 1995-12-08 | Michel Bensadoun | Procédé et dispositif de réenclenchement d'un disjoncteur. |
US7071581B2 (en) * | 2001-01-31 | 2006-07-04 | Satcon Technology Corp. | Uninterruptible power supply system using a slip-ring, wound-rotor-type induction machine and a method for flywheel energy storage |
US7570471B2 (en) * | 2007-02-20 | 2009-08-04 | Utility Relay Company | Circuit breaker trip unit with zone selective interlock and system monitoring |
US20140198420A1 (en) * | 2013-01-11 | 2014-07-17 | Cooper Technologies Company | Fault-Likely Detector |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2144493A (en) * | 1936-11-13 | 1939-01-17 | Westinghouse Electric & Mfg Co | Pilot protective system |
US2376752A (en) * | 1940-07-19 | 1945-05-22 | Westinghouse Electric & Mfg Co | Pilot relaying system |
CH434427A (de) * | 1964-09-21 | 1967-04-30 | Siemens Ag | Schaltungsanordnung für Hochspannungsanlagen zum Übertragen von Schaltsignalen |
US3983455A (en) * | 1975-01-15 | 1976-09-28 | Westinghouse Electric Corporation | Direct transfer-trip relaying system |
JPS5186743A (pt) * | 1975-01-28 | 1976-07-29 | Tokyo Shibaura Electric Co | |
US4056838A (en) * | 1976-09-20 | 1977-11-01 | Westinghouse Electric Corporation | In-band signal-to-noise ratio monitor for an FSK relaying system |
US4275429A (en) * | 1979-10-12 | 1981-06-23 | Westinghouse Electric Corp. | Protective relay apparatus |
-
1982
- 1982-07-13 US US06/397,758 patent/US4464697A/en not_active Expired - Lifetime
-
1983
- 1983-06-29 CA CA000431494A patent/CA1201796A/en not_active Expired
- 1983-07-11 JP JP58126813A patent/JPS5925525A/ja active Granted
- 1983-07-11 DE DE8383304015T patent/DE3374500D1/de not_active Expired
- 1983-07-11 BR BR8303709A patent/BR8303709A/pt not_active IP Right Cessation
- 1983-07-11 EP EP83304015A patent/EP0102710B1/en not_active Expired
- 1983-07-12 MX MX198007A patent/MX153677A/es unknown
- 1983-07-12 ES ES524049A patent/ES524049A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3374500D1 (en) | 1987-12-17 |
ES8406005A1 (es) | 1984-06-16 |
JPH057925B2 (pt) | 1993-01-29 |
MX153677A (es) | 1986-12-16 |
US4464697A (en) | 1984-08-07 |
ES524049A0 (es) | 1984-06-16 |
EP0102710B1 (en) | 1987-11-11 |
EP0102710A1 (en) | 1984-03-14 |
JPS5925525A (ja) | 1984-02-09 |
CA1201796A (en) | 1986-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 11/07/98 |