FR2259464A1 - - Google Patents
Info
- Publication number
- FR2259464A1 FR2259464A1 FR7502442A FR7502442A FR2259464A1 FR 2259464 A1 FR2259464 A1 FR 2259464A1 FR 7502442 A FR7502442 A FR 7502442A FR 7502442 A FR7502442 A FR 7502442A FR 2259464 A1 FR2259464 A1 FR 2259464A1
- Authority
- FR
- France
- 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.)
- Granted
Links
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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/28—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
- H02H3/30—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
- H02H3/302—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving phase comparison
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US436758A US3898531A (en) | 1974-01-25 | 1974-01-25 | Segregated phase comparison relaying apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2259464A1 true FR2259464A1 (US20050065096A1-20050324-C00034.png) | 1975-08-22 |
| FR2259464B1 FR2259464B1 (US20050065096A1-20050324-C00034.png) | 1979-01-05 |
Family
ID=23733715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7502442A Expired FR2259464B1 (US20050065096A1-20050324-C00034.png) | 1974-01-25 | 1975-01-27 |
Country Status (9)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828811B2 (ja) * | 1973-06-11 | 1983-06-18 | 三菱電機株式会社 | 位相比較継電装置 |
| US4234901A (en) * | 1979-03-08 | 1980-11-18 | Westinghouse Electric Corp. | Protective relay apparatus |
| DE3008480A1 (de) * | 1980-03-05 | 1981-09-10 | Siemens AG, 1000 Berlin und 8000 München | Tonfrequenz-rundsteueranlage mit einer stromueberwachungseinrichtung |
| CN103380476B (zh) * | 2011-02-16 | 2016-05-25 | 伊顿工业（奥地利）有限公司 | 故障电流保护开关 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2462180A (en) * | 1947-11-28 | 1949-02-22 | Westinghouse Electric Corp | Selective-pole tripping system |
| US3144585A (en) * | 1962-05-22 | 1964-08-11 | Texas Instruments Inc | Logic control system for electrical power transmission network |
| US3381178A (en) * | 1965-06-17 | 1968-04-30 | Westinghouse Electric Corp | Relaying system for high voltage transmission line utilizing a coupling capacitor |
| US3470418A (en) * | 1967-06-06 | 1969-09-30 | Westinghouse Electric Corp | Phase comparison relaying network |
| US3612952A (en) * | 1970-06-30 | 1971-10-12 | Westinghouse Electric Corp | Time delay signal device especially for phase comparison protective relaying system |
| US3710189A (en) * | 1971-07-22 | 1973-01-09 | Westinghouse Electric Corp | Time delay signal device especially for phase comparison protective relaying system |
-
1974
- 1974-01-25 US US436758A patent/US3898531A/en not_active Expired - Lifetime
-
1975
- 1975-01-14 GB GB1604/75A patent/GB1494682A/en not_active Expired
- 1975-01-20 SE SE7500550A patent/SE397239B/xx unknown
- 1975-01-24 BR BR491/75A patent/BR7500491A/pt unknown
- 1975-01-24 DE DE19752502850 patent/DE2502850A1/de not_active Withdrawn
- 1975-01-24 ES ES434135A patent/ES434135A1/es not_active Expired
- 1975-01-24 IT IT41515/75A patent/IT1029034B/it active
- 1975-01-24 JP JP50009900A patent/JPS50104341A/ja active Pending
- 1975-01-27 FR FR7502442A patent/FR2259464B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1494682A (en) | 1977-12-14 |
| JPS50104341A (US20050065096A1-20050324-C00034.png) | 1975-08-18 |
| IT1029034B (it) | 1979-03-10 |
| DE2502850A1 (de) | 1975-07-31 |
| SE7500550L (sv) | 1975-07-28 |
| ES434135A1 (es) | 1976-12-16 |
| US3898531A (en) | 1975-08-05 |
| FR2259464B1 (US20050065096A1-20050324-C00034.png) | 1979-01-05 |
| BR7500491A (pt) | 1975-11-04 |
| SE397239B (sv) | 1977-10-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse | ||
| AR | Application made for restoration | ||
| BR | Restoration of rights | ||
| ST | Notification of lapse |