FR2157699A1 - - Google Patents
Info
- Publication number
- FR2157699A1 FR2157699A1 FR7138431A FR7138431A FR2157699A1 FR 2157699 A1 FR2157699 A1 FR 2157699A1 FR 7138431 A FR7138431 A FR 7138431A FR 7138431 A FR7138431 A FR 7138431A FR 2157699 A1 FR2157699 A1 FR 2157699A1
- 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
- H02H3/305—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 current comparison
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7138431A FR2157699B1 (fr) | 1971-10-26 | 1971-10-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7138431A FR2157699B1 (fr) | 1971-10-26 | 1971-10-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2157699A1 true FR2157699A1 (fr) | 1973-06-08 |
FR2157699B1 FR2157699B1 (fr) | 1974-05-31 |
Family
ID=9084910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7138431A Expired FR2157699B1 (fr) | 1971-10-26 | 1971-10-26 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2157699B1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR889641A (fr) * | 1942-09-07 | 1944-01-14 | Cfcmug | Perfectionnements aux dispositifs de protection sélective des lignes électriques |
FR983956A (fr) * | 1943-09-10 | 1951-06-29 | Union D Electricite | Perfectionnements apportés aux procédés et appareils pour mesurer ou comparer des fonctions périodiques, notamment pour la protection sélective des réseaux |
GB811337A (en) * | 1956-04-07 | 1959-04-02 | Automatic Telephone & Elect | Improvements in or relating to protector arrangements for power distribution apparatus |
FR1523055A (fr) * | 1967-05-18 | 1968-04-26 | Siemens Ag | Dispositif de mesure et de protection pour des lignes à haute tension |
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1971
- 1971-10-26 FR FR7138431A patent/FR2157699B1/fr not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR889641A (fr) * | 1942-09-07 | 1944-01-14 | Cfcmug | Perfectionnements aux dispositifs de protection sélective des lignes électriques |
FR983956A (fr) * | 1943-09-10 | 1951-06-29 | Union D Electricite | Perfectionnements apportés aux procédés et appareils pour mesurer ou comparer des fonctions périodiques, notamment pour la protection sélective des réseaux |
GB811337A (en) * | 1956-04-07 | 1959-04-02 | Automatic Telephone & Elect | Improvements in or relating to protector arrangements for power distribution apparatus |
FR1523055A (fr) * | 1967-05-18 | 1968-04-26 | Siemens Ag | Dispositif de mesure et de protection pour des lignes à haute tension |
Also Published As
Publication number | Publication date |
---|---|
FR2157699B1 (fr) | 1974-05-31 |