NO175995C - Fremgangsmåte til måling av jordlekkasjeström for overvåking av isolasjon til et elektrisk kraftfordelingssystem, samt isolasjonsmonitor for utförelse av fremgangsmåten - Google Patents

Fremgangsmåte til måling av jordlekkasjeström for overvåking av isolasjon til et elektrisk kraftfordelingssystem, samt isolasjonsmonitor for utförelse av fremgangsmåten

Info

Publication number
NO175995C
NO175995C NO902240A NO902240A NO175995C NO 175995 C NO175995 C NO 175995C NO 902240 A NO902240 A NO 902240A NO 902240 A NO902240 A NO 902240A NO 175995 C NO175995 C NO 175995C
Authority
NO
Norway
Prior art keywords
carrying
well
power distribution
electrical power
leakage current
Prior art date
Application number
NO902240A
Other languages
English (en)
Other versions
NO902240D0 (no
NO902240L (no
NO175995B (no
Inventor
Eric Suptitz
Original Assignee
Merlin Gerin
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Merlin Gerin filed Critical Merlin Gerin
Publication of NO902240D0 publication Critical patent/NO902240D0/no
Publication of NO902240L publication Critical patent/NO902240L/no
Publication of NO175995B publication Critical patent/NO175995B/no
Publication of NO175995C publication Critical patent/NO175995C/no

Links

Classifications

    • 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
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
NO902240A 1989-05-22 1990-05-21 Fremgangsmåte til måling av jordlekkasjeström for overvåking av isolasjon til et elektrisk kraftfordelingssystem, samt isolasjonsmonitor for utförelse av fremgangsmåten NO175995C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8906769A FR2647219B1 (fr) 1989-05-22 1989-05-22 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

Publications (4)

Publication Number Publication Date
NO902240D0 NO902240D0 (no) 1990-05-21
NO902240L NO902240L (no) 1990-11-23
NO175995B NO175995B (no) 1994-10-03
NO175995C true NO175995C (no) 1995-01-11

Family

ID=9381945

Family Applications (1)

Application Number Title Priority Date Filing Date
NO902240A NO175995C (no) 1989-05-22 1990-05-21 Fremgangsmåte til måling av jordlekkasjeström for overvåking av isolasjon til et elektrisk kraftfordelingssystem, samt isolasjonsmonitor for utförelse av fremgangsmåten

Country Status (8)

Country Link
US (1) US5066920A (no)
EP (1) EP0399923B1 (no)
CA (1) CA2016886A1 (no)
DE (1) DE69007857T2 (no)
ES (1) ES2054305T3 (no)
FR (1) FR2647219B1 (no)
NO (1) NO175995C (no)
ZA (1) ZA903900B (no)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676821B1 (fr) * 1991-05-21 1994-09-09 Merlin Gerin Dispositif de controle et de mesure d'isolement pour reseau electrique a neutre isole.
FR2676819B1 (fr) * 1991-05-21 1994-07-08 Merlin Gerin Chaine de traitement de grandeurs de mesure pour controleur d'isolement numerique.
FR2679039B1 (fr) * 1991-07-09 1993-11-26 Merlin Gerin Dispositif de distribution d'energie electrique avec controle d'isolement.
JP2535292B2 (ja) * 1992-10-23 1996-09-18 大電株式会社 ケ―ブルの絶縁性能の低下を診断する方法
FR2702052B1 (fr) * 1993-02-25 1995-04-14 Merlin Gerin Dispositif de contrôle et de mesure d'isolement pour réseau électrique.
DE4329381A1 (de) * 1993-09-01 1995-03-02 Abb Management Ag Verfahren zur Erfassung von Erdfehlern auf den Leitern einer elektrischen Maschine
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
US5450328A (en) * 1994-03-21 1995-09-12 Square D Company System for measuring line to ground impedance
US5612624A (en) * 1996-01-24 1997-03-18 Clinton Instrument Company Apparatus for testing the insulation of an electrical conductor
DE19620141C2 (de) * 1996-05-07 2001-10-31 Siemens Ag Meßanordnung zum Erfassen von Erdschlüssen im Erregerkreis einer elektrischen Maschine
ES2184610B1 (es) * 2001-05-17 2004-08-16 Universidad De Oviedo Sistema de localizacion y evaluacion de fallos de aislamiento en espiras de transformadores con al menos uno de sus devanados conectados en triangulo.
CN100555785C (zh) * 2004-10-21 2009-10-28 钟汝祥 智能漏电断路器
AT13224U1 (de) * 2008-11-13 2013-08-15 Eaton Gmbh Fehlerstromschutzschalter
AT509449B1 (de) * 2008-11-13 2020-04-15 Eaton Gmbh Fehlerstromschutzschalter
CN102818938B (zh) * 2012-07-29 2014-10-22 刘宝稳 移参换相法电网对地分布参数跟踪测量控制方法
EP3336563A1 (en) 2013-06-26 2018-06-20 Fuji Electric FA Components & Systems Co. Ltd. Insulation monitoring device
DE102013225946B4 (de) * 2013-12-13 2024-01-25 Bender Gmbh & Co. Kg Vorrichtung und Verfahren zur Isolationsüberwachung in einem Stromversorgungssystem mit hochohmig geerdetem Sternpunkt
DE102014221658B4 (de) * 2014-07-04 2016-12-15 Siemens Aktiengesellschaft Fehlerstromschutzvorrichtung mit rein netzspannungsabhängiger Erfassung
DE102014216246A1 (de) * 2014-08-15 2016-02-18 Mayser Gmbh & Co. Kg Schaltung und Verfahren zum Auswerten von Messsignalen sowie Sensorsystem zum kapazitiven Erfassen von Hindernissen
DE102014223287A1 (de) 2014-11-14 2016-05-19 Bender Gmbh & Co. Kg Elektrische Schutzeinrichtung und Verfahren zur selektiven Abschaltung eines Subsystems bei einem zweiten Fehler in einem IT-Stromversorgungssystem
CN108008171B (zh) * 2017-12-29 2023-09-01 深圳市锐能微科技有限公司 一种电路参数检测电路及电能表
JP2020197396A (ja) * 2019-05-31 2020-12-10 アイシン精機株式会社 電流検出装置
CN110635452B (zh) * 2019-09-04 2021-08-27 南京南瑞继保电气有限公司 一种经阻容比闭锁的零序过流保护方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2542811C2 (de) * 1975-09-25 1979-08-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Messung des Erdwiderstandes einer erdfreien Starkstromschaltung
FR2616228B1 (fr) * 1987-06-04 1989-09-08 Merlin Gerin Dispositif de controle et de mesure de l'isolement d'un reseau electrique
US4857855A (en) * 1988-11-03 1989-08-15 Toyo Communication Equipment Co., Ltd. Method for compensating for phase of insulation resistance measuring circuit
US4857830A (en) * 1988-11-03 1989-08-15 Toyo Communication Equipment Co., Ltd. Method for measuring insulation resistance of electric line

Also Published As

Publication number Publication date
US5066920A (en) 1991-11-19
EP0399923A1 (fr) 1990-11-28
FR2647219A1 (fr) 1990-11-23
ZA903900B (en) 1991-02-27
NO902240D0 (no) 1990-05-21
CA2016886A1 (en) 1990-11-22
NO902240L (no) 1990-11-23
ES2054305T3 (es) 1994-08-01
DE69007857T2 (de) 1994-09-29
FR2647219B1 (fr) 1991-07-05
NO175995B (no) 1994-10-03
DE69007857D1 (de) 1994-05-11
EP0399923B1 (fr) 1994-04-06

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