NO921986D0 - Isolasjonsovervaakingsinnretning og isolasjonsmaaleinnretning for et elektrisk kraftsystem med isolert nullpunkt - Google Patents
Isolasjonsovervaakingsinnretning og isolasjonsmaaleinnretning for et elektrisk kraftsystem med isolert nullpunktInfo
- Publication number
- NO921986D0 NO921986D0 NO921986A NO921986A NO921986D0 NO 921986 D0 NO921986 D0 NO 921986D0 NO 921986 A NO921986 A NO 921986A NO 921986 A NO921986 A NO 921986A NO 921986 D0 NO921986 D0 NO 921986D0
- Authority
- NO
- Norway
- Prior art keywords
- insulation
- electric power
- power system
- measuring device
- monitoring device
- Prior art date
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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/042—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned combined with means for locating the fault
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
-
- 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
- H02H3/17—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 by means of an auxiliary voltage injected into the installation to be protected
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Relating To Insulation (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR919106307A FR2676821B1 (fr) | 1991-05-21 | 1991-05-21 | Dispositif de controle et de mesure d'isolement pour reseau electrique a neutre isole. |
Publications (3)
Publication Number | Publication Date |
---|---|
NO921986D0 true NO921986D0 (no) | 1992-05-20 |
NO921986L NO921986L (no) | 1992-11-23 |
NO304909B1 NO304909B1 (no) | 1999-03-01 |
Family
ID=9413120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO921986A NO304909B1 (no) | 1991-05-21 | 1992-05-20 | IsolasjonsovervÕkingsinnretning og isolasjonsmÕleinnretning for et elektrisk kraftsystem med isolert nullpunkt |
Country Status (9)
Country | Link |
---|---|
US (1) | US5272440A (no) |
EP (1) | EP0518785B1 (no) |
JP (1) | JPH05157783A (no) |
CA (1) | CA2068952A1 (no) |
DE (1) | DE69212542T2 (no) |
ES (1) | ES2092077T3 (no) |
FR (1) | FR2676821B1 (no) |
NO (1) | NO304909B1 (no) |
ZA (1) | ZA923657B (no) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05328740A (ja) * | 1992-05-21 | 1993-12-10 | Fuji Electric Co Ltd | インバータの地絡検出方法 |
FR2702052B1 (fr) * | 1993-02-25 | 1995-04-14 | Merlin Gerin | Dispositif de contrôle et de mesure d'isolement pour réseau électrique. |
DE4329382A1 (de) * | 1993-09-01 | 1995-03-02 | Abb Management Ag | Verfahren und Vorrichtung zur Erfassung von Erdfehlern auf den Leitern einer elektrischen Maschine |
US5450328A (en) * | 1994-03-21 | 1995-09-12 | Square D Company | System for measuring line to ground impedance |
US5448491A (en) * | 1994-03-21 | 1995-09-05 | Square D Company | Monitor for an ungrounded system |
US5446682A (en) * | 1994-03-21 | 1995-08-29 | Square D Company | System for calibrating a line isolation monitor |
US5570028A (en) * | 1994-12-30 | 1996-10-29 | Lucent Technologies Inc. | Method for detecting faults in electrical cables and apparatus for implementing same |
DE19640821B4 (de) * | 1996-10-02 | 2014-10-30 | Lothar Fickert | Verfahren und Einrichtung zur Erfassung von Erdschlüssen |
US6249230B1 (en) * | 1999-03-18 | 2001-06-19 | Abb Power T&D Company Inc. | Ground fault location system and ground fault detector therefor |
EP1649474B1 (en) * | 2003-07-09 | 2009-10-14 | ISRA-JUK Electronics Ltd | System and method for detection of electrical faults |
ES2296462B1 (es) * | 2005-07-14 | 2008-12-16 | Juan Jose Zamora Belver | Sistema para detectar faltas de baja intensidad en la red electrica de distribucion, superponiendo tonos de tension sin necesidad de filtros de red. |
FR2917839B1 (fr) | 2007-06-21 | 2009-08-14 | Schneider Electric Ind Sas | Controle d'isolement d'un ensemble de reseaux electriques interconnectables a neutre isole |
FR2917838B1 (fr) | 2007-06-21 | 2009-09-04 | Schneider Electric Ind Sas | Dispositif de controle et de mesure localises d'isolement pour reseau electrique a neutre isole |
FR2930349B1 (fr) * | 2008-04-16 | 2011-06-03 | Areva T & D Sa | Procede et systeme de detection d'un courant secondaire residuel dans un transformateur de courant dans un reseau electrique haute tension, et procede et systeme de detection de la formation d'un arc dans un disjoncteur |
FR2963679B1 (fr) | 2010-08-09 | 2012-08-17 | Schneider Electric Ind Sas | Localisation et identification d'un defaut d'isolement pour reseau electrique a neutre isole |
FR2986618B1 (fr) * | 2012-02-08 | 2014-09-05 | Renault Sa | Systeme embarque securise de charge de la batterie d'un vehicule automobile a partir d'un reseau d'alimentation |
FR2989235B1 (fr) | 2012-04-06 | 2014-03-14 | Schneider Electric Ind Sas | Systeme de controle d'isolement pour reseau electrique securise |
US9046559B2 (en) * | 2012-05-09 | 2015-06-02 | Curtis Instruments, Inc. | Isolation monitor |
EP3336563A1 (en) * | 2013-06-26 | 2018-06-20 | Fuji Electric FA Components & Systems Co. Ltd. | Insulation monitoring device |
TWI539169B (zh) * | 2014-04-08 | 2016-06-21 | Univ Kao Yuan | High Sensitivity Non - grounded DC Power Supply Insulation Resistance Detection Method and Its Circuit |
KR101471341B1 (ko) * | 2014-10-29 | 2014-12-09 | 서울과학기술대학교 산학협력단 | 송배전 시스템에서의 회귀전류를 이용한 송배전 선로의 유효 접지저항 계산 방법 |
CN105806366A (zh) * | 2016-03-24 | 2016-07-27 | 中船航海科技有限责任公司 | 一种用于陀螺罗经的过流保护报警装置和方法 |
CN106950461A (zh) * | 2017-05-08 | 2017-07-14 | 北京善思物联科技有限公司 | 无损检测式电力监测装置、系统和方法 |
DE102017209243B4 (de) * | 2017-05-31 | 2018-12-20 | Bender Gmbh & Co. Kg | Verfahren und Messanordnung zur Überwachung eines Fertigungsablaufs einer modular aufgebauten Spannungsquelle |
DE102019103757B3 (de) | 2019-02-14 | 2020-07-02 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren, Isolationswächter und System zur Isolationsüberwachung einer dynamisch umkonfigurierbaren modularen Wechselstrombatterie |
KR102386390B1 (ko) * | 2022-02-28 | 2022-04-14 | 김학민 | 절연된 전기기기의 감전보호 및 화재방지를 위한 전기장치 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3293497A (en) * | 1962-04-03 | 1966-12-20 | Abraham B Brandler | Ground fault detector |
FR1443140A (fr) * | 1965-03-10 | 1966-06-24 | Electronique Et Nucleaire Soc | Dispositif pour le contrôle permanent des résistances d'isolement d'une installation électrique à basse tension |
US3971007A (en) * | 1973-05-29 | 1976-07-20 | Sola Basic Industries, Inc. | Line isolation monitor |
US3938006A (en) * | 1975-02-05 | 1976-02-10 | The United States Of America As Represented By The Secretary Of The Interior | Active negative sequence cable monitor |
IN155620B (no) * | 1980-03-01 | 1985-02-16 | Gen Electric Co Plc | |
US4321643A (en) * | 1980-04-04 | 1982-03-23 | Amf Incorporated | Ground monitoring system |
EP0166839B1 (fr) * | 1984-06-29 | 1989-05-17 | International Business Machines Corporation | Procédé et dispositif de mesure de la gigue de phase d'un canal de transmission |
SU1481695A1 (ru) * | 1987-06-22 | 1989-05-23 | Московский институт инженеров сельскохозяйственного производства им.В.П.Горячкина | Способ вы влени места замыкани на землю в трехфазных электрических сет х с изолированной нейтралью |
SE460804B (sv) * | 1988-03-25 | 1989-11-20 | Asea Brown Boveri | Foerfarande och anordning foer felbestaemning vid fel paa en kraftledning |
JPH0636018B2 (ja) * | 1988-04-27 | 1994-05-11 | 三菱電線工業株式会社 | 漏れ電流測定装置 |
FR2645650B1 (fr) * | 1989-04-06 | 1991-09-27 | Merlin Gerin | Systeme de controle d'isolement d'un reseau a courant continu |
FR2647220B1 (fr) * | 1989-05-19 | 1991-07-05 | Merlin Gerin | Controleur d'isolement numerique pour reseau electrique |
FR2647219B1 (fr) * | 1989-05-22 | 1991-07-05 | Merlin Gerin | Procede de correction du dephasage introduit par un tore homopolaire d'un courant de fuite et controleur d'isolement de mise en oeuvre de ce procede |
-
1991
- 1991-05-21 FR FR919106307A patent/FR2676821B1/fr not_active Expired - Fee Related
-
1992
- 1992-05-14 US US07/883,216 patent/US5272440A/en not_active Expired - Fee Related
- 1992-05-15 DE DE69212542T patent/DE69212542T2/de not_active Expired - Lifetime
- 1992-05-15 EP EP92420159A patent/EP0518785B1/fr not_active Expired - Lifetime
- 1992-05-15 ES ES92420159T patent/ES2092077T3/es not_active Expired - Lifetime
- 1992-05-19 CA CA002068952A patent/CA2068952A1/en not_active Abandoned
- 1992-05-20 JP JP4127531A patent/JPH05157783A/ja active Pending
- 1992-05-20 ZA ZA923657A patent/ZA923657B/xx unknown
- 1992-05-20 NO NO921986A patent/NO304909B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2068952A1 (en) | 1992-11-22 |
US5272440A (en) | 1993-12-21 |
DE69212542D1 (de) | 1996-09-05 |
EP0518785A1 (fr) | 1992-12-16 |
NO304909B1 (no) | 1999-03-01 |
ES2092077T3 (es) | 1996-11-16 |
FR2676821A1 (fr) | 1992-11-27 |
NO921986L (no) | 1992-11-23 |
DE69212542T2 (de) | 1997-01-30 |
JPH05157783A (ja) | 1993-06-25 |
EP0518785B1 (fr) | 1996-07-31 |
FR2676821B1 (fr) | 1994-09-09 |
ZA923657B (en) | 1993-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |