IN191393B - - Google Patents
Info
- Publication number
- IN191393B IN191393B IN150CA1997A IN191393B IN 191393 B IN191393 B IN 191393B IN 150CA1997 A IN150CA1997 A IN 150CA1997A IN 191393 B IN191393 B IN 191393B
- Authority
- IN
- India
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
- H02H3/40—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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19605025A DE19605025C2 (de) | 1996-01-31 | 1996-01-31 | Distanzschutzverfahren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN191393B true IN191393B (sh) | 2003-11-29 |
Family
ID=7785143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN150CA1997 IN191393B (sh) | 1996-01-31 | 1997-01-27 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6046895A (sh) |
| EP (1) | EP0878045B1 (sh) |
| CN (1) | CN1070647C (sh) |
| DE (2) | DE19605025C2 (sh) |
| IN (1) | IN191393B (sh) |
| WO (1) | WO1997028594A1 (sh) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3790053B2 (ja) * | 1998-10-14 | 2006-06-28 | 株式会社東芝 | 距離継電器 |
| DE19858929C2 (de) * | 1998-12-08 | 2003-02-27 | Siemens Ag | Verfahren zum Erzeugen eines Fehlersignals, das einen Leiter einer Wechselstrom-Energieübertragungsleitung als von einem Kurzschluß betroffen kennzeichnet |
| DE19920654A1 (de) * | 1999-05-05 | 2000-11-09 | Abb Research Ltd | Verfahren zur Bestimmung eines Leitungsimpedanz-Grenzwertes in einem Distanzschutzgerät |
| EP1195873A1 (de) * | 2000-10-06 | 2002-04-10 | Abb Research Ltd. | Verfahren zum Schützen einer Stromleitung |
| CN100459355C (zh) * | 2006-01-26 | 2009-02-04 | 天津大学 | 输电线路距离保护方法 |
| US8675327B2 (en) * | 2007-03-30 | 2014-03-18 | General Electric Company | Fast impedance protection technique immune to dynamic errors of capacitive voltage transformers |
| RU2526844C2 (ru) * | 2009-11-18 | 2014-08-27 | Абб Рисерч Лтд. | Способ и устройство дистанционной защиты от замыканий на землю |
| RU2013154105A (ru) * | 2011-05-06 | 2015-06-20 | Сименс Акциенгезелльшафт | Способ и устройство для распознавания симметричного короткого замыкания в многофазной электрической сети энергоснабжения |
| AT512376A1 (de) * | 2011-12-21 | 2013-07-15 | Eaton Ind Austria Gmbh | Impedanzmessgerät |
| CN102570428B (zh) * | 2012-02-29 | 2014-07-16 | 山东电力集团公司莱芜供电公司 | 基于电子式互感器微分输出的故障测距与距离保护方法 |
| DE102013212821A1 (de) * | 2013-07-01 | 2015-01-08 | Bender Gmbh & Co. Kg | Verfahren und Vorrichtung zur innenwiderstandsabhängigen Einstellung eines Laststroms |
| US10978866B2 (en) | 2018-10-02 | 2021-04-13 | Schweitzer Engineering Laboratories, Inc. | Polarizing signal for electric power delivery system protection |
| US11271389B2 (en) | 2020-06-24 | 2022-03-08 | Schweitzer Engineering Laboratories, Inc. | Distance protection using supervised sequence currents and voltages for electric power delivery systems |
| CN112763842A (zh) * | 2020-12-21 | 2021-05-07 | 西安交通大学 | 基于阻抗谱的电缆局部老化程度判别方法及装置 |
| US11598800B2 (en) | 2021-03-25 | 2023-03-07 | Schweitzer Engineering Laboratories, Inc. | Distance elements for line protection near unconventional sources |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5596245A (en) * | 1979-01-13 | 1980-07-22 | Toyoda Mach Works Ltd | Tool locking and unlocking device of tool magazine |
| NO144612C (no) * | 1979-05-31 | 1981-09-30 | Aktuell As | Apparat for aa maale og anvise avstanden til en inntruffet kortslutning eller lignende linjefeil paa en vekselstroemkraftlinje |
| US4321681A (en) * | 1979-09-21 | 1982-03-23 | Westinghouse Electric Corp. | Protective relay apparatus |
| US4706156A (en) * | 1985-04-17 | 1987-11-10 | The General Electric Company, P.L.C. | Protection apparatus |
| DE3709532A1 (de) * | 1987-03-23 | 1988-10-06 | Siemens Ag | Verfahren zur pruefung von anordnungen |
| US4821137A (en) * | 1987-11-12 | 1989-04-11 | General Electric Company | Positive sequence distance relay for AC power transmission line protection |
| US5325061A (en) * | 1992-08-27 | 1994-06-28 | Schweitzer Engineering Laboratories, Inc. | Computationally-efficient distance relay for power transmission lines |
| US5367426A (en) * | 1992-10-14 | 1994-11-22 | Schweitzer Engineering Laboratories, Inc. | Distance relay with load encroachment protection, for use with power transmission lines |
-
1996
- 1996-01-31 DE DE19605025A patent/DE19605025C2/de not_active Expired - Fee Related
-
1997
- 1997-01-24 EP EP97907029A patent/EP0878045B1/de not_active Expired - Lifetime
- 1997-01-24 WO PCT/DE1997/000162 patent/WO1997028594A1/de active IP Right Grant
- 1997-01-24 CN CN97192192A patent/CN1070647C/zh not_active Expired - Fee Related
- 1997-01-24 DE DE59708262T patent/DE59708262D1/de not_active Expired - Lifetime
- 1997-01-24 US US09/117,595 patent/US6046895A/en not_active Expired - Lifetime
- 1997-01-27 IN IN150CA1997 patent/IN191393B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0878045A1 (de) | 1998-11-18 |
| US6046895A (en) | 2000-04-04 |
| WO1997028594A1 (de) | 1997-08-07 |
| DE19605025A1 (de) | 1997-08-14 |
| EP0878045B1 (de) | 2002-09-18 |
| DE59708262D1 (de) | 2002-10-24 |
| CN1070647C (zh) | 2001-09-05 |
| CN1210629A (zh) | 1999-03-10 |
| DE19605025C2 (de) | 2003-06-18 |