SE366435B - - Google Patents
Info
- Publication number
- SE366435B SE366435B SE16583/70A SE1658370A SE366435B SE 366435 B SE366435 B SE 366435B SE 16583/70 A SE16583/70 A SE 16583/70A SE 1658370 A SE1658370 A SE 1658370A SE 366435 B SE366435 B SE 366435B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks
- H02H1/046—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks upon detecting saturation of current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Protection Of Transformers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6942943A FR2070638A5 (enExample) | 1969-12-11 | 1969-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE366435B true SE366435B (enExample) | 1974-04-22 |
Family
ID=9044438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE16583/70A SE366435B (enExample) | 1969-12-11 | 1970-12-08 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3678377A (enExample) |
| CH (1) | CH533838A (enExample) |
| DE (1) | DE2061128A1 (enExample) |
| FR (1) | FR2070638A5 (enExample) |
| GB (1) | GB1330187A (enExample) |
| SE (1) | SE366435B (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2134287B1 (enExample) * | 1971-04-30 | 1974-03-08 | Schlumberger Compteurs | |
| EP0090095B1 (de) * | 1982-03-29 | 1986-11-05 | BBC Brown Boveri AG | Verfahren und Einrichtung zur Auswertung des Sekundärstromes eines primärseitig in eine Leitung eines elektrischen Energieversorgungsnetzes geschalteten Stromwandlers |
| US4739248A (en) * | 1986-04-30 | 1988-04-19 | Westinghouse Electric Corp. | Current transformer circuit tester |
| US4975649A (en) * | 1989-12-18 | 1990-12-04 | Albar, Inc. | Method and apparatus for sensing loss of regulation in a ferroresonant transformer |
| SE468189B (sv) * | 1991-03-27 | 1992-11-16 | Asea Brown Boveri | Metod foer detektering av maettning hos stroemtransformatorer samt detektor foer genomfoerande av naemnda metod |
| DE4329381A1 (de) * | 1993-09-01 | 1995-03-02 | Abb Management Ag | Verfahren zur Erfassung von Erdfehlern auf den Leitern einer elektrischen Maschine |
| DE19723422C1 (de) * | 1997-06-04 | 1998-12-10 | Siemens Ag | Verfahren und Vorrichtung zur Erkennung und Korrektur eines gesättigten Stromverlaufs eines Stromwandlers |
| DE19844726B4 (de) * | 1998-09-29 | 2010-06-17 | Vacuumschmelze Gmbh | Stromsensor nach dem Kompensationsprinzip |
| DE19844729A1 (de) * | 1998-09-29 | 1999-12-16 | Vacuumschmelze Gmbh | Stromsensor |
| DE19857327B4 (de) * | 1998-12-11 | 2004-08-05 | Vacuumschmelze Gmbh | Stromsensor mit Überstromerkennung |
| DE19928192B4 (de) * | 1999-06-19 | 2005-08-25 | Abb Patent Gmbh | Verfahren zur Rekonstruktion eines Stromes |
| SE524866C2 (sv) * | 2001-11-23 | 2004-10-12 | Abb Ab | Metod och anordning för fellokalisering genom användande av mätningar från två ändar av en luftledning för transmission av växelström |
| FR2835319B1 (fr) * | 2002-01-29 | 2004-03-12 | Alstom | Procede de detection de saturation dans un transformateur de courant |
| DE102008016752A1 (de) * | 2008-03-31 | 2009-10-01 | Tridonicatco Schweiz Ag | Erkennung der Belegung eines Anschlusses eines Betriebsgeräts für Leuchtmittel |
| US8575779B2 (en) * | 2010-02-18 | 2013-11-05 | Alpha Technologies Inc. | Ferroresonant transformer for use in uninterruptible power supplies |
| US9030045B2 (en) | 2011-01-23 | 2015-05-12 | Alpha Technologies Inc. | Switching systems and methods for use in uninterruptible power supplies |
| US9234916B2 (en) | 2012-05-11 | 2016-01-12 | Alpha Technologies Inc. | Status monitoring cables for generators |
| US10074981B2 (en) | 2015-09-13 | 2018-09-11 | Alpha Technologies Inc. | Power control systems and methods |
| US10381867B1 (en) | 2015-10-16 | 2019-08-13 | Alpha Technologeis Services, Inc. | Ferroresonant transformer systems and methods with selectable input and output voltages for use in uninterruptible power supplies |
| US10635122B2 (en) | 2017-07-14 | 2020-04-28 | Alpha Technologies Services, Inc. | Voltage regulated AC power supply systems and methods |
| CN112198470B (zh) * | 2020-09-28 | 2022-03-01 | 国网湖南省电力有限公司 | 电流互感器进出磁饱和状态的实时识别方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO116208B (enExample) * | 1966-09-13 | 1969-02-17 | Jacobsens Elektriske Verksted | |
| GB1192640A (en) * | 1967-09-22 | 1970-05-20 | English Electric Co Ltd | Improvements in Distance Relays |
-
1969
- 1969-12-11 FR FR6942943A patent/FR2070638A5/fr not_active Expired
-
1970
- 1970-12-04 CH CH1800170A patent/CH533838A/fr not_active IP Right Cessation
- 1970-12-08 US US96182A patent/US3678377A/en not_active Expired - Lifetime
- 1970-12-08 SE SE16583/70A patent/SE366435B/xx unknown
- 1970-12-11 GB GB5896570A patent/GB1330187A/en not_active Expired
- 1970-12-11 DE DE19702061128 patent/DE2061128A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3678377A (en) | 1972-07-18 |
| GB1330187A (en) | 1973-09-12 |
| CH533838A (fr) | 1973-02-15 |
| DE2061128A1 (de) | 1971-06-16 |
| FR2070638A5 (enExample) | 1971-09-10 |