CH594305A5 - - Google Patents
Info
- Publication number
- CH594305A5 CH594305A5 CH432377A CH423377A CH594305A5 CH 594305 A5 CH594305 A5 CH 594305A5 CH 432377 A CH432377 A CH 432377A CH 423377 A CH423377 A CH 423377A CH 594305 A5 CH594305 A5 CH 594305A5
- Authority
- CH
- Switzerland
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
- H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
- H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7622133A FR2359530A2 (fr) | 1976-07-20 | 1976-07-20 | Procede et dispositif de mesure a minimum d'impedance d'angle et a minimum de reactance realisant une protection de distance pour une ligne de transport d'energie electrique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH594305A5 true CH594305A5 (en:Method) | 1978-01-13 |
Family
ID=9175919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH432377A CH594305A5 (en:Method) | 1976-07-20 | 1977-04-04 |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH594305A5 (en:Method) |
| DE (1) | DE2717681A1 (en:Method) |
| FR (1) | FR2359530A2 (en:Method) |
| GB (1) | GB1538003A (en:Method) |
| SE (1) | SE7706898L (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2907857C2 (de) * | 1979-02-28 | 1985-01-10 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur Bestimmung der Reaktanz einer Energieübertragungsleitung im Kurzschlußfalle |
-
1976
- 1976-07-20 FR FR7622133A patent/FR2359530A2/fr active Granted
-
1977
- 1977-04-04 CH CH432377A patent/CH594305A5/xx not_active IP Right Cessation
- 1977-04-21 DE DE19772717681 patent/DE2717681A1/de not_active Withdrawn
- 1977-05-05 GB GB18876/77A patent/GB1538003A/en not_active Expired
- 1977-06-15 SE SE7706898A patent/SE7706898L/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1538003A (en) | 1979-01-10 |
| DE2717681A1 (de) | 1978-01-26 |
| SE7706898L (sv) | 1978-01-21 |
| FR2359530A2 (fr) | 1978-02-17 |
| FR2359530B2 (en:Method) | 1981-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |