DE2928024A1 - Erdschlussueberwachung fuer einen mehrphasigen drehstromfilterkreis - Google Patents
Erdschlussueberwachung fuer einen mehrphasigen drehstromfilterkreisInfo
- Publication number
- DE2928024A1 DE2928024A1 DE19792928024 DE2928024A DE2928024A1 DE 2928024 A1 DE2928024 A1 DE 2928024A1 DE 19792928024 DE19792928024 DE 19792928024 DE 2928024 A DE2928024 A DE 2928024A DE 2928024 A1 DE2928024 A1 DE 2928024A1
- Authority
- DE
- Germany
- Prior art keywords
- phase
- filter circuit
- fault monitoring
- earth fault
- earth
- Prior art date
- 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.)
- Withdrawn
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
- H02H3/16—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 fault current to earth, frame or mass
- H02H3/162—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 fault current to earth, frame or mass for AC systems
- H02H3/165—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 fault current to earth, frame or mass for AC systems for three-phase systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Protection Of Static Devices (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792928024 DE2928024A1 (de) | 1979-07-11 | 1979-07-11 | Erdschlussueberwachung fuer einen mehrphasigen drehstromfilterkreis |
EP80103630A EP0022496B1 (de) | 1979-07-11 | 1980-06-26 | Erdschlussüberwachung für einen mehrphasigen Filterkreis |
DE8080103630T DE3062194D1 (en) | 1979-07-11 | 1980-06-26 | Earth-fault monitoring for a multi-phase filter circuit |
JP9452580A JPS5619330A (en) | 1979-07-11 | 1980-07-10 | Grounddfault monitor for polyphase ac filter circuit |
CA000355966A CA1149871A (en) | 1979-07-11 | 1980-07-11 | Earth contact monitoring device for a polyphase three-phase filter circuit |
US06/395,187 US4429338A (en) | 1979-07-11 | 1982-07-06 | Earth contact monitoring device for a polyphase three-phase filter circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792928024 DE2928024A1 (de) | 1979-07-11 | 1979-07-11 | Erdschlussueberwachung fuer einen mehrphasigen drehstromfilterkreis |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2928024A1 true DE2928024A1 (de) | 1981-02-05 |
Family
ID=6075454
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792928024 Withdrawn DE2928024A1 (de) | 1979-07-11 | 1979-07-11 | Erdschlussueberwachung fuer einen mehrphasigen drehstromfilterkreis |
DE8080103630T Expired DE3062194D1 (en) | 1979-07-11 | 1980-06-26 | Earth-fault monitoring for a multi-phase filter circuit |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8080103630T Expired DE3062194D1 (en) | 1979-07-11 | 1980-06-26 | Earth-fault monitoring for a multi-phase filter circuit |
Country Status (5)
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0122366A1 (en) * | 1983-03-23 | 1984-10-24 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for detecting ground fault in variable-voltage variable-frequency power system |
RU2125271C1 (ru) * | 1997-02-24 | 1999-01-20 | Алтайский государственный технический университет им.И.И.Ползунова | Способ контроля изоляции в трехфазной электрической сети с изолированной нейтралью |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4808843A (en) * | 1985-04-10 | 1989-02-28 | Electric Power Research Institute | Method and means for damping supersynchronous oscillations in an AC power system |
DE3806827A1 (de) * | 1988-03-03 | 1989-09-14 | Licentia Gmbh | Verfahren zur erfassung und begrenzung eines erdschlussstromes |
US4897606A (en) * | 1988-10-19 | 1990-01-30 | Board Of Regents, University Of Texas System | Method and apparatus for undesired ground path detection in a single-point grounded electrical system |
US5179490A (en) * | 1990-05-07 | 1993-01-12 | Daniel J. Bondy | Ground-safety controller |
US5172329A (en) * | 1990-06-14 | 1992-12-15 | Rahman Azizur M | Microprocessor-based digital protective relay for power transformers |
JP2638766B2 (ja) * | 1990-12-28 | 1997-08-06 | 株式会社戸上電機製作所 | 断線自動検出装置 |
AU628270B1 (en) * | 1992-03-12 | 1992-09-10 | Togami Electric Mfg. Co., Ltd. | Downed conductor automatic detecting device |
SE504303C2 (sv) * | 1994-10-25 | 1996-12-23 | Asea Brown Boveri | Trefasig filterutrustning |
KR100201808B1 (ko) * | 1995-12-28 | 1999-06-15 | 윤종용 | 무선송신기의 고조파 억압용 저역통과 필터 |
US6288917B1 (en) | 1998-01-20 | 2001-09-11 | Leveler | Three stage power conditioning circuit |
US6166458A (en) * | 1998-01-20 | 2000-12-26 | Leveler | Power conditioning circuit |
RU2304833C1 (ru) * | 2006-04-03 | 2007-08-20 | Лев Залманович Фейгин | Система контроля сопротивления изоляции электротехнических устройств и защита их и оператора |
US20080025053A1 (en) * | 2006-07-25 | 2008-01-31 | Januszewski Michael W | Uninterruptible power supply with transient suppression |
CN103245880B (zh) * | 2013-04-19 | 2015-12-09 | 国家电网公司 | 利用线路等效参数识别原理的小电流接地故障定位方法 |
CN104730380B (zh) * | 2015-02-26 | 2017-12-15 | 北京天诚同创电气有限公司 | 用于发电机组的滤波器的故障检测装置、方法及系统 |
JP7092733B2 (ja) | 2019-10-30 | 2022-06-28 | 信越化学工業株式会社 | アミノ変性シリコーンのエマルジョン、毛髪化粧料および繊維処理剤 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1539834A (en) | 1925-02-03 | 1925-06-02 | Westinghouse Electric & Mfg Co | Safety system for alternating-current generators |
US1988121A (en) | 1933-08-11 | 1935-01-15 | Ohio Brass Co | Protective means for delta connected transmission lines |
US2535064A (en) | 1948-02-24 | 1950-12-26 | Lawrence H Harrison | Resonant grounding device for alternating-current circuits |
BE638540A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1962-10-13 | |||
GB1169706A (en) | 1966-09-29 | 1969-11-05 | English Electric Co Ltd | An Electrical Fault Detector |
US3591831A (en) * | 1969-10-23 | 1971-07-06 | Gen Electric | Harmonic filter protection means |
FR2299750A1 (fr) | 1975-01-31 | 1976-08-27 | Vitte Jacky | Dispositif de securite pour la |
US4104687A (en) * | 1976-11-24 | 1978-08-01 | S&C Electric Company | Device for detecting unbalanced conditions in a polyphase equipment bank |
-
1979
- 1979-07-11 DE DE19792928024 patent/DE2928024A1/de not_active Withdrawn
-
1980
- 1980-06-26 DE DE8080103630T patent/DE3062194D1/de not_active Expired
- 1980-06-26 EP EP80103630A patent/EP0022496B1/de not_active Expired
- 1980-07-10 JP JP9452580A patent/JPS5619330A/ja active Granted
- 1980-07-11 CA CA000355966A patent/CA1149871A/en not_active Expired
-
1982
- 1982-07-06 US US06/395,187 patent/US4429338A/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0122366A1 (en) * | 1983-03-23 | 1984-10-24 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for detecting ground fault in variable-voltage variable-frequency power system |
RU2125271C1 (ru) * | 1997-02-24 | 1999-01-20 | Алтайский государственный технический университет им.И.И.Ползунова | Способ контроля изоляции в трехфазной электрической сети с изолированной нейтралью |
Also Published As
Publication number | Publication date |
---|---|
JPS6258213B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-12-04 |
CA1149871A (en) | 1983-07-12 |
EP0022496B1 (de) | 1983-03-02 |
JPS5619330A (en) | 1981-02-24 |
EP0022496A1 (de) | 1981-01-21 |
US4429338A (en) | 1984-01-31 |
DE3062194D1 (en) | 1983-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAM | Search report available | ||
OC | Search report available | ||
8130 | Withdrawal |