ZA903900B - Correction procedure of the phase difference introduced by a zero sequence measurement toroid of a leakage current and isolation monitor implementing this procedure - Google Patents

Correction procedure of the phase difference introduced by a zero sequence measurement toroid of a leakage current and isolation monitor implementing this procedure

Info

Publication number
ZA903900B
ZA903900B ZA903900A ZA903900A ZA903900B ZA 903900 B ZA903900 B ZA 903900B ZA 903900 A ZA903900 A ZA 903900A ZA 903900 A ZA903900 A ZA 903900A ZA 903900 B ZA903900 B ZA 903900B
Authority
ZA
South Africa
Prior art keywords
procedure
phase difference
leakage current
zero sequence
sequence measurement
Prior art date
Application number
ZA903900A
Other languages
English (en)
Inventor
Eric Suptitz
Suptitz Eric
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 ZA903900B publication Critical patent/ZA903900B/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
    • 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)
ZA903900A 1989-05-22 1990-05-21 Correction procedure of the phase difference introduced by a zero sequence measurement toroid of a leakage current and isolation monitor implementing this procedure ZA903900B (en)

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 (1)

Publication Number Publication Date
ZA903900B true ZA903900B (en) 1991-02-27

Family

ID=9381945

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA903900A ZA903900B (en) 1989-05-22 1990-05-21 Correction procedure of the phase difference introduced by a zero sequence measurement toroid of a leakage current and isolation monitor implementing this procedure

Country Status (8)

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

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676819B1 (fr) * 1991-05-21 1994-07-08 Merlin Gerin Chaine de traitement de grandeurs de mesure pour controleur d'isolement numerique.
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.
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
FR2647219B1 (fr) 1991-07-05
CA2016886A1 (en) 1990-11-22
DE69007857T2 (de) 1994-09-29
NO175995C (no) 1995-01-11
NO175995B (no) 1994-10-03
NO902240L (no) 1990-11-23
EP0399923B1 (fr) 1994-04-06
ES2054305T3 (es) 1994-08-01
NO902240D0 (no) 1990-05-21
DE69007857D1 (de) 1994-05-11
FR2647219A1 (fr) 1990-11-23
US5066920A (en) 1991-11-19
EP0399923A1 (fr) 1990-11-28

Similar Documents

Publication Publication Date Title
ZA903900B (en) Correction procedure of the phase difference introduced by a zero sequence measurement toroid of a leakage current and isolation monitor implementing this procedure
DE3565602D1 (en) Apparatus for measuring a non-reciprocal phase shift in a ring interferometer
AU536005B2 (en) Testing cement strength
EP0568212A3 (en) Procedure for the handover of a radio connection
DE3270153D1 (en) Vacuum monitor for vacuum interrupter and use of the vacuum monitor
EP0417884A3 (en) Methods of calibrating gas analyzers
NO172969C (no) Fremgangsmaate for fremstilling av en gjenstand med en metallholdig fase
GB2210259B (en) Locking tripod leg
AU3227789A (en) Procedure and arrangement for the measurement of revolutions
GB8729482D0 (en) Equipment & method for measuring convergence
EP0140535A3 (en) Apparatus for measuring the magnitude of a magnetic field
AU3976785A (en) Enthalpy measurement for two phase substance
GB9110020D0 (en) Apparatus for correcting the phase relation of chroma and luminance signals
GB2265469B (en) Processes for the preparation of toners
NO915059L (no) Fremgangsmaate for fremstilling av ammoniakk-syntesegass
GB2232675B (en) Stable forms of antigenic taenia ovis polypeptides
AU588702B2 (en) Testing of rf diode phase shifters
DK62588D0 (da) Fremgangsmaade til fremstilling af faste polyhalogentriaryl-phosphatestere
DE3062473D1 (en) Fluid-tightness testing of large vessels
GB8800366D0 (en) Testing of vacuum interrupters
PL260828A1 (en) A method for measuring the ortho-cartesian components of the voltage vector
GB8805138D0 (en) Apparatus & methods for measuring phase modulation
CS430589A1 (en) Connection for phase shift measuring
PL246866A2 (en) Circuit for measurement of phase difference
PL269853A1 (en) Circuitry for calculation of phase current standards