SG51385G - Differential fault current protection - Google Patents
Differential fault current protectionInfo
- Publication number
- SG51385G SG51385G SG513/85A SG51385A SG51385G SG 51385 G SG51385 G SG 51385G SG 513/85 A SG513/85 A SG 513/85A SG 51385 A SG51385 A SG 51385A SG 51385 G SG51385 G SG 51385G
- Authority
- SG
- Singapore
- Prior art keywords
- fault current
- current protection
- differential fault
- differential
- protection
- Prior art date
Links
Classifications
-
- 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
- H02H7/06—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 for dynamo-electric generators; for synchronous capacitors
- H02H7/062—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 for dynamo-electric generators; for synchronous capacitors for parallel connected generators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
- Protection Of Generators And Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/124,666 US4321645A (en) | 1980-02-26 | 1980-02-26 | Differential fault current protection of a multiprocessor controlled electric power generating system |
Publications (1)
Publication Number | Publication Date |
---|---|
SG51385G true SG51385G (en) | 1986-01-24 |
Family
ID=22416161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG513/85A SG51385G (en) | 1980-02-26 | 1985-06-27 | Differential fault current protection |
Country Status (9)
Country | Link |
---|---|
US (1) | US4321645A (fr) |
JP (1) | JPS56136131A (fr) |
CA (1) | CA1159512A (fr) |
DE (1) | DE3106895A1 (fr) |
FR (1) | FR2476926A1 (fr) |
GB (2) | GB2070357B (fr) |
IL (1) | IL62149A (fr) |
IT (1) | IT1170747B (fr) |
SG (1) | SG51385G (fr) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4530024A (en) * | 1981-06-23 | 1985-07-16 | The United States Of America As Represented By The Secretary Of The Navy | Computer-controlled system for protecting electric circuits |
US4645940A (en) * | 1982-09-27 | 1987-02-24 | Grumman Aerospace Corporation | Interrupt-free, unregulated power supply |
JPS5999930A (ja) * | 1982-11-26 | 1984-06-08 | 三菱電機株式会社 | 電源システム |
JPS61112521A (ja) * | 1984-11-05 | 1986-05-30 | 中国電力株式会社 | 送電線保護システム |
US4967096A (en) * | 1989-01-26 | 1990-10-30 | Sundstrand Corporation | Cross-start bus configuration for a variable speed constant frequency electric power system |
US5466974A (en) * | 1993-02-19 | 1995-11-14 | Sundstrand Corporation | Electric power distribution module for an electric power generation and distribution system |
GB9412287D0 (en) * | 1994-06-18 | 1994-08-10 | Smiths Industries Plc | Power supply systems |
GB9412261D0 (en) * | 1994-06-18 | 1994-08-10 | Smiths Industries Plc | Electrical systems |
GB9412281D0 (en) * | 1994-06-18 | 1994-08-10 | Smiths Industries Plc | Power supply systems |
US5523938A (en) * | 1995-06-07 | 1996-06-04 | Sundstrand Corporation | Differential current fault protection for an AC/DC hybrid system and method therefor |
CA2167751A1 (fr) * | 1996-01-22 | 1997-07-23 | David James Campbell | Systeme de commande d'un appareil sous pression a gestion integree de la puissance appelee |
US5715124A (en) * | 1996-04-08 | 1998-02-03 | Sundstrand Corporation | System and method of isolation for detecting a passive protective function failure for an electric power generating system |
US5764502A (en) * | 1996-05-28 | 1998-06-09 | Sundstrand Corporation | Integrated electric power system |
US6856045B1 (en) | 2002-01-29 | 2005-02-15 | Hamilton Sundstrand Corporation | Power distribution assembly with redundant architecture |
DE10332925A1 (de) * | 2003-07-19 | 2005-03-10 | Airbus Gmbh | Verfahren zur Erkennung von Fehlern in einer Stromerzeugungsanlage eines Flugzeuges |
US7091702B2 (en) * | 2004-12-07 | 2006-08-15 | Hamilton Sundstrand Corporation | Digital real and reactive load division control |
DE102005041238B4 (de) * | 2005-08-31 | 2013-03-14 | Envia Mitteldeutsche Energie Ag | Online-Analysator zur Lokalisierung von Erdschlüssen |
US7755872B2 (en) * | 2006-09-14 | 2010-07-13 | Schweitzer Engineering Laboratories, Inc. | System, method and device to preserve protection communication active during a bypass operation |
JP5192922B2 (ja) * | 2008-06-24 | 2013-05-08 | 本田技研工業株式会社 | 発電機の並列運転接続装置 |
US8072225B2 (en) * | 2008-10-08 | 2011-12-06 | Hamilton Sundstrand Corporation | Differential power detection |
GB2468652B (en) | 2009-03-16 | 2011-08-31 | Ge Aviat Systems Ltd | Electrical power distribution |
US8604630B2 (en) | 2010-06-01 | 2013-12-10 | Caterpillar Inc. | Power distribution system having priority load control |
FR2976413B1 (fr) * | 2011-06-08 | 2013-05-31 | Ece | Systeme de protection en courant d'un boitier de distribution electrique primaire. |
US9660435B2 (en) | 2011-12-21 | 2017-05-23 | Sikorsky Aircraft Corporation | Multi-directional electrical power protection system |
US9948110B2 (en) | 2012-05-21 | 2018-04-17 | Hamilton Sundstrand Corporation | Power distribution system |
US9018799B2 (en) | 2012-05-24 | 2015-04-28 | Hamilton Sundstrand Corporation | Electrical power supply system having internal fault protection |
EP2672596B1 (fr) * | 2012-06-07 | 2020-08-05 | Grupo Guascor, S.L. Unipersonal | Unité de protection de générateur d'énergie |
US9755458B2 (en) | 2013-12-19 | 2017-09-05 | Kohler, Co. | Bus recovery after overload |
CN110635451B (zh) * | 2018-05-31 | 2022-08-09 | 上海航空电器有限公司 | 单通道多电飞机汇流条功率控制器的差动保护结构 |
US11016135B2 (en) * | 2018-11-28 | 2021-05-25 | Cummins Power Generation Ip, Inc. | Systems and methods for ground fault detection in power systems using communication network |
CN112072622A (zh) * | 2020-09-15 | 2020-12-11 | 广东电网有限责任公司 | 一种网络式保护多点故障处理方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2832896A (en) * | 1955-07-11 | 1958-04-29 | Boeing Co | Alternator overload protection |
US2974257A (en) * | 1959-04-13 | 1961-03-07 | Boeing Co | Protective apparatus for power systems |
DE1811422A1 (de) * | 1968-11-28 | 1970-06-18 | Messerschmitt Boelkow Blohm | Summen-Differentialschutzeinrichtung,vorzugsweise fuer Flugzeugbordnetze |
DE2132387A1 (de) * | 1971-06-05 | 1973-01-18 | Siemens Ag | Stromversorgungsanordnung, insbesondere fuer bordnetze |
US4068275A (en) * | 1976-06-09 | 1978-01-10 | Westinghouse Electric Corporation | Ground fault protective apparatus and method |
US4161027A (en) * | 1976-10-04 | 1979-07-10 | Electric Power Research Institute, Inc. | Digital protection system for transmission lines and associated power equipment |
DE3008478A1 (de) * | 1979-05-30 | 1980-12-11 | Sundstrand Corp | Steueranordnung und -verfahren fuer elektrisches generator- und verteilungssystem |
-
1980
- 1980-02-26 US US06/124,666 patent/US4321645A/en not_active Expired - Lifetime
-
1981
- 1981-02-04 CA CA000370113A patent/CA1159512A/fr not_active Expired
- 1981-02-17 IL IL62149A patent/IL62149A/xx unknown
- 1981-02-24 DE DE19813106895 patent/DE3106895A1/de active Granted
- 1981-02-24 IT IT47875/81A patent/IT1170747B/it active
- 1981-02-25 GB GB8105894A patent/GB2070357B/en not_active Expired
- 1981-02-25 FR FR8103755A patent/FR2476926A1/fr not_active Withdrawn
- 1981-02-26 JP JP2758481A patent/JPS56136131A/ja active Pending
-
1983
- 1983-01-10 GB GB08300561A patent/GB2113928B/en not_active Expired
-
1985
- 1985-06-27 SG SG513/85A patent/SG51385G/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB2070357B (en) | 1985-05-09 |
DE3106895A1 (de) | 1982-02-04 |
IL62149A (en) | 1984-10-31 |
GB2113928B (en) | 1985-05-09 |
GB2113928A (en) | 1983-08-10 |
IL62149A0 (en) | 1981-03-31 |
IT8147875A0 (it) | 1981-02-24 |
JPS56136131A (en) | 1981-10-24 |
GB2070357A (en) | 1981-09-03 |
GB8300561D0 (en) | 1983-02-09 |
DE3106895C2 (fr) | 1991-01-31 |
CA1159512A (fr) | 1983-12-27 |
IT1170747B (it) | 1987-06-03 |
FR2476926A1 (fr) | 1981-08-28 |
US4321645A (en) | 1982-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2070357B (en) | Differential fault current protection | |
DE3375440D1 (en) | Differential protection relay device | |
DE3164937D1 (en) | Protection circuit | |
DE3167309D1 (en) | Earth leakage current breaker | |
GB2075778B (en) | Personnel protection circuit | |
JPS555077A (en) | Differential current protecting system | |
AU542724B2 (en) | Earth fault protection switch | |
SG50185G (en) | Differential fault current protection | |
JPS5780226A (en) | Differential protection relay | |
JPS5740320A (en) | Ground-fault protecting relay | |
JPS56145727A (en) | Ground-fault protection relay unit | |
JPS5749323A (en) | Ground-fault protecting relay unit | |
JPS573518A (en) | Current differential relay | |
JPS56139025A (en) | Protection relay | |
DE3570560D1 (en) | Differential current protection interrupter | |
JPS56136126A (en) | Protection relay | |
JPS57106330A (en) | Protection relay | |
JPS5780230A (en) | Protection relay | |
JPS5795033A (en) | Current breaker | |
JPS5785524A (en) | Common multi-channel ground-fault protection relay | |
JPS5795022A (en) | Current limiting breaker | |
JPS5731324A (en) | Ground fault protection relay unit | |
JPS57119613A (en) | High sensitivity current differential protector | |
JPS56117536A (en) | Voltage differential relay | |
JPS5734725A (en) | Abnormal current protecting circuit |