ZA903835B - Digital isolation monitor for an electrical power system - Google Patents

Digital isolation monitor for an electrical power system

Info

Publication number
ZA903835B
ZA903835B ZA903835A ZA903835A ZA903835B ZA 903835 B ZA903835 B ZA 903835B ZA 903835 A ZA903835 A ZA 903835A ZA 903835 A ZA903835 A ZA 903835A ZA 903835 B ZA903835 B ZA 903835B
Authority
ZA
South Africa
Prior art keywords
electrical power
power system
digital isolation
isolation monitor
monitor
Prior art date
Application number
ZA903835A
Other languages
English (en)
Inventor
Bruno Bouchez
Bouchez Bruno
Jean-Paul Barjonnet
Barjonnet Jean-Paul
Philippe Le Maitre
Le Maitre Philippe
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 ZA903835B publication Critical patent/ZA903835B/xx

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Numerical Control (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Relating To Insulation (AREA)
ZA903835A 1989-05-19 1990-05-18 Digital isolation monitor for an electrical power system ZA903835B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8906690A FR2647220B1 (fr) 1989-05-19 1989-05-19 Controleur d'isolement numerique pour reseau electrique

Publications (1)

Publication Number Publication Date
ZA903835B true ZA903835B (en) 1991-02-27

Family

ID=9381898

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA903835A ZA903835B (en) 1989-05-19 1990-05-18 Digital isolation monitor for an electrical power system

Country Status (9)

Country Link
US (1) US5101160A (xx)
EP (1) EP0398824B1 (xx)
CA (1) CA2016979A1 (xx)
DE (1) DE69015435T2 (xx)
ES (1) ES2068366T3 (xx)
FR (1) FR2647220B1 (xx)
HK (1) HK1006877A1 (xx)
NO (1) NO178808C (xx)
ZA (1) ZA903835B (xx)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671190B1 (fr) * 1990-12-26 1993-03-19 Merlin Gerin Pont de mesure de tension de reference pour dispositif de controle et de mesure de l'isolement d'un reseau electrique a tension continue.
IE921252A1 (en) * 1991-04-19 1992-10-21 Elektro Bau Ag A method for determining an earth-shorted branch circuit in¹an electrical supply or distributor network
FR2676821B1 (fr) * 1991-05-21 1994-09-09 Merlin Gerin Dispositif de controle et de mesure d'isolement pour reseau electrique a neutre isole.
FR2679039B1 (fr) * 1991-07-09 1993-11-26 Merlin Gerin Dispositif de distribution d'energie electrique avec controle d'isolement.
DE4234808A1 (de) * 1992-10-15 1994-04-21 Walther Bender Gmbh & Co Kg Di Verfahren zum Bestimmen der elektrischen Netzableitgrößen in ungeerdeten elektrischen Netzen
FR2700208B1 (fr) * 1993-01-04 1995-02-10 Accumulateurs Fixes Dispositif pour la mesure d'une résistance d'isolement.
US5448491A (en) * 1994-03-21 1995-09-05 Square D Company Monitor for an ungrounded system
US5450328A (en) * 1994-03-21 1995-09-12 Square D Company System for measuring line to ground impedance
US5446682A (en) * 1994-03-21 1995-08-29 Square D Company System for calibrating a line isolation monitor
US5514964A (en) * 1994-08-17 1996-05-07 Square D Company System for monitoring a dual voltage ungrounded system for leakage currents
US5777837A (en) * 1995-02-02 1998-07-07 Hubbell Incorporated Three wire air gap off power supply circuit for operating switch and regulating current when switch or load is open
DE19638393C1 (de) * 1996-09-19 1997-12-11 Siemens Ag Schaltungsanordnung zur Widerstands- und Leckmessung sowie deren Verwendung
US6515484B1 (en) 2000-10-31 2003-02-04 Associated Research, Inc. Electrical test instrument having an improved operator interface
US6744259B2 (en) * 2002-06-25 2004-06-01 Associated Research, Inc. System and method for verifying failure detect circuitry in safety compliance test instruments
US6879274B2 (en) * 2003-02-24 2005-04-12 Analog Devices, Inc. Signal-conditioning and analog-to-digital conversion circuit architecture
US6809579B2 (en) 2003-03-06 2004-10-26 Hewlett-Packard Development Company, L.P. Blocking mechanism to reduce leakage current
CN1849517B (zh) * 2003-08-21 2010-09-01 豪倍公司 测量***、组件有功及无功功率和电组件阻抗的方法和装置
US7696717B2 (en) * 2005-08-08 2010-04-13 Continental Automotive Systems Us, Inc. Battery energy management system for measuring a minimum battery voltage
GB2429301B (en) * 2005-08-19 2007-08-01 Megger Ltd Testing loop impedence in an RCCB electrical test circuit
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
US8040139B2 (en) * 2009-02-16 2011-10-18 Maxim Integrated Products, Inc. Fault detection method for detecting leakage paths between power sources and chassis
JP5385688B2 (ja) * 2009-06-10 2014-01-08 矢崎総業株式会社 絶縁抵抗検出装置
US8598897B2 (en) * 2010-01-26 2013-12-03 Maxim Integrated Products, Inc. Isolation monitoring system and method utilizing a variable emulated inductance
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
JP2013036884A (ja) * 2011-08-09 2013-02-21 Fuji Electric Fa Components & Systems Co Ltd 絶縁監視方法及び絶縁監視装置
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
US9696384B2 (en) * 2012-08-24 2017-07-04 GM Global Technology Operations LLC High voltage bus-to-chassis isolation resistance and Y-capacitance measurement
FR3016249A1 (fr) * 2014-01-08 2015-07-10 Electricite De France Dispositif de mesure electrique equipant un tableau electrique pour mesurer la resistance d'une prise de terre d'une installation electrique
EP3092502A1 (fr) * 2014-01-08 2016-11-16 Electricité de France Dispositif de mesure électrique pour mesurer la résistance d'une prise de terre d'une installation électrique
US9811932B2 (en) 2015-04-17 2017-11-07 Nxp Usa, Inc. Display controller, heads-up image display system and method thereof
CN105717353A (zh) * 2016-02-18 2016-06-29 四川中光防雷科技股份有限公司 一种输电线路暂态电流采集装置
CN109425803B (zh) * 2017-08-24 2021-06-04 许继集团有限公司 一种模拟量断线故障检测方法、***及采集装置
EP3546957A1 (en) * 2018-03-28 2019-10-02 Siemens Healthcare GmbH Isolated grounding effectiveness monitor
CN113395068A (zh) * 2020-03-13 2021-09-14 深圳市胜斯智能技术有限责任公司 电信号采集装置、电信号检测装置及故障指示器
US20220244320A1 (en) * 2021-01-29 2022-08-04 Texas Instruments Incorporated Low cost method-b high voltage isolation screen test

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569826A (en) * 1969-01-07 1971-03-09 Edwards Co Ground fault detector apparatus including a pair of complementarily connected bridge detector means for isolated electrical power systems
US3737765A (en) * 1971-06-21 1973-06-05 Hubbell Inc Harvey Isolated power ground fault detector system
US3971007A (en) * 1973-05-29 1976-07-20 Sola Basic Industries, Inc. Line isolation monitor
US4054832A (en) * 1975-10-21 1977-10-18 James G. Biddle Company System and method of measurement of insulation qualities of three-phase power equipment
DE2826517C2 (de) * 1977-06-17 1984-08-23 Unisearch Ltd., Kensington, New South Wales Vorrichtung zum Messen und Aufzeichnen der Frequenzabhängigkeit der Gesamtkapazität und des Gesamtleitwertes einer Membran
US4206398A (en) * 1978-04-26 1980-06-03 Esb Incorporated Method of and apparatus for detecting ground faults in isolated power supply systems
DE3112952C2 (de) * 1981-03-31 1994-05-05 Walther Bender Gmbh & Co Kg Di Verfahren und Einrichtung zum Bestimmen der Gesamtableitungsimpedanz in einem ungeerdeten Wechselstromnetz
JPS5850474A (ja) * 1981-09-22 1983-03-24 Osaki Denki Kogyo Kk 線間インピ−ダンス測定方法
US4528497A (en) * 1982-08-23 1985-07-09 Isolation Systems Limited Method and apparatus for monitoring ground faults in isolated electrical systems
DE3346387A1 (de) * 1983-12-22 1985-07-04 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zur erd- und koerperschlussueberwachung
US4851782A (en) * 1987-01-15 1989-07-25 Jeerings Donald I High impedance fault analyzer in electric power distribution
FR2616228B1 (fr) * 1987-06-04 1989-09-08 Merlin Gerin Dispositif de controle et de mesure de l'isolement d'un reseau electrique

Also Published As

Publication number Publication date
FR2647220A1 (fr) 1990-11-23
NO902220L (no) 1990-11-20
DE69015435D1 (de) 1995-02-09
CA2016979A1 (en) 1990-11-19
FR2647220B1 (fr) 1991-07-05
EP0398824B1 (fr) 1994-12-28
NO178808C (no) 1996-06-05
NO178808B (no) 1996-02-26
EP0398824A1 (fr) 1990-11-22
ES2068366T3 (es) 1995-04-16
HK1006877A1 (en) 1999-03-19
US5101160A (en) 1992-03-31
NO902220D0 (no) 1990-05-18
DE69015435T2 (de) 1995-07-13

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