NO125608B - - Google Patents
Download PDFInfo
- Publication number
- NO125608B NO125608B NO1704/70A NO170470A NO125608B NO 125608 B NO125608 B NO 125608B NO 1704/70 A NO1704/70 A NO 1704/70A NO 170470 A NO170470 A NO 170470A NO 125608 B NO125608 B NO 125608B
- Authority
- NO
- Norway
- Prior art keywords
- voltage
- circuit
- current
- secondary winding
- proportional
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 26
- 230000003068 static effect Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 description 6
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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
- H02H3/40—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 ratio of voltage and current
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE06507/69A SE330930B (fr) | 1969-05-08 | 1969-05-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
NO125608B true NO125608B (fr) | 1972-10-02 |
Family
ID=20268860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO1704/70A NO125608B (fr) | 1969-05-08 | 1970-05-05 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3629658A (fr) |
CH (1) | CH530102A (fr) |
FR (1) | FR2042480B1 (fr) |
GB (1) | GB1299933A (fr) |
NO (1) | NO125608B (fr) |
SE (1) | SE330930B (fr) |
YU (1) | YU32440B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH565469A5 (fr) * | 1973-06-07 | 1975-08-15 | Bbc Brown Boveri & Cie | |
SE441138B (sv) * | 1984-02-01 | 1985-09-09 | Asea Ab | Digitalt impedansrele |
SE452534B (sv) * | 1986-04-08 | 1987-11-30 | Asea Ab | Forfarande och anordning for reckviddsbegrensning och direktutlosning i samband med skydd av en kraftledning |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE685594C (de) * | 1933-07-08 | 1939-12-27 | Aeg | Schutzrelais fuer elektrische Wechselstromanlagen mit zeitabhaengiger Ausloesung |
US2495166A (en) * | 1945-12-29 | 1950-01-17 | Westinghouse Electric Corp | Distance-type relay with limited directional discrimination |
FR1051922A (fr) * | 1951-03-28 | 1954-01-20 | Relais à faible impédance pour la protection à distance | |
US2981867A (en) * | 1957-10-25 | 1961-04-25 | Gen Electric | Electric relay |
FR1347586A (fr) * | 1963-02-19 | 1963-12-27 | Bbc Brown Boveri & Cie | Dispositif de protection avec montage en pont à redresseurs |
GB1192640A (en) * | 1967-09-22 | 1970-05-20 | English Electric Co Ltd | Improvements in Distance Relays |
-
1969
- 1969-05-08 SE SE06507/69A patent/SE330930B/xx unknown
-
1970
- 1970-04-29 CH CH648370A patent/CH530102A/de not_active IP Right Cessation
- 1970-05-04 FR FR707016186A patent/FR2042480B1/fr not_active Expired
- 1970-05-05 NO NO1704/70A patent/NO125608B/no unknown
- 1970-05-06 YU YU1151/70A patent/YU32440B/xx unknown
- 1970-05-07 GB GB22048/70A patent/GB1299933A/en not_active Expired
- 1970-05-07 US US35504A patent/US3629658A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3629658A (en) | 1971-12-21 |
GB1299933A (en) | 1972-12-13 |
FR2042480A1 (fr) | 1971-02-12 |
SE330930B (fr) | 1970-12-07 |
CH530102A (de) | 1972-10-31 |
DE2022150B2 (de) | 1973-04-12 |
YU32440B (en) | 1974-10-31 |
DE2022150A1 (de) | 1970-11-19 |
YU115170A (en) | 1974-04-30 |
FR2042480B1 (fr) | 1974-07-12 |
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