FR1579516A - - Google Patents
Info
- Publication number
- FR1579516A FR1579516A FR1579516DA FR1579516A FR 1579516 A FR1579516 A FR 1579516A FR 1579516D A FR1579516D A FR 1579516DA FR 1579516 A FR1579516 A FR 1579516A
- 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.)
- Expired
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 |
---|---|---|---|
FR140449 | 1968-02-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1579516A true FR1579516A (fr) | 1969-08-29 |
Family
ID=8646200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1579516D Expired FR1579516A (fr) | 1968-02-20 | 1968-02-20 |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH506905A (fr) |
DE (1) | DE1907401A1 (fr) |
FR (1) | FR1579516A (fr) |
GB (1) | GB1262358A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19831769C1 (de) * | 1998-07-15 | 1999-10-07 | Kopp Heinrich Ag | Vorrichtung zur Überwachung eines Stromnetzes |
CN102769279B (zh) * | 2012-07-23 | 2014-10-08 | 国电南瑞科技股份有限公司 | 线路保护装置的纵联零序保护的高阻接地选相方法 |
-
1968
- 1968-02-20 FR FR1579516D patent/FR1579516A/fr not_active Expired
-
1969
- 1969-02-05 CH CH175469A patent/CH506905A/fr not_active IP Right Cessation
- 1969-02-14 DE DE19691907401 patent/DE1907401A1/de active Granted
- 1969-02-19 GB GB904669A patent/GB1262358A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH506905A (fr) | 1971-04-30 |
DE1907401B2 (fr) | 1970-12-03 |
DE1907401A1 (de) | 1969-10-02 |
GB1262358A (en) | 1972-02-02 |
DE1907401C3 (fr) | 1974-09-19 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |