CA2064834A1 - Indicateur de defaut adaptatif selon les caracteristiques de courant - Google Patents

Indicateur de defaut adaptatif selon les caracteristiques de courant

Info

Publication number
CA2064834A1
CA2064834A1 CA 2064834 CA2064834A CA2064834A1 CA 2064834 A1 CA2064834 A1 CA 2064834A1 CA 2064834 CA2064834 CA 2064834 CA 2064834 A CA2064834 A CA 2064834A CA 2064834 A1 CA2064834 A1 CA 2064834A1
Authority
CA
Canada
Prior art keywords
current
trip
circuit
capacitor
voltage
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA 2064834
Other languages
English (en)
Inventor
Thomas Yeh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SIGMA INSTRUMENTS DIVISION
Original Assignee
Individual
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
Priority claimed from US07/390,541 external-priority patent/US5029039A/en
Priority claimed from US07/505,483 external-priority patent/US5115031A/en
Application filed by Individual filed Critical Individual
Publication of CA2064834A1 publication Critical patent/CA2064834A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16585—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 for individual pulses, ripple or noise and other applications where timing or duration is of importance
    • 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
    • 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
    • H02H3/44—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 the rate of change of electrical quantities

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
CA 2064834 1989-08-07 1990-08-06 Indicateur de defaut adaptatif selon les caracteristiques de courant Abandoned CA2064834A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US390,541 1989-08-07
US07/390,541 US5029039A (en) 1989-08-07 1989-08-07 Current adaptive fault indicator
US505,483 1990-04-06
US07/505,483 US5115031A (en) 1987-08-20 1990-04-06 Process for the manufacture of an impact resistant thermoplastic resin

Publications (1)

Publication Number Publication Date
CA2064834A1 true CA2064834A1 (fr) 1991-02-08

Family

ID=27013183

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2064834 Abandoned CA2064834A1 (fr) 1989-08-07 1990-08-06 Indicateur de defaut adaptatif selon les caracteristiques de courant

Country Status (3)

Country Link
AU (2) AU6294590A (fr)
CA (1) CA2064834A1 (fr)
WO (2) WO1991002395A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5159319A (en) * 1990-06-25 1992-10-27 Cooper Industries, Inc. Faulted circuit detector having an isolated indicator for an electrical transformer
GB9105805D0 (en) * 1991-03-19 1991-05-01 Meco Electronics Ltd A fast acting protection device for use with a power supply
WO1993012436A1 (fr) * 1991-12-09 1993-06-24 Campbell Houston Keenan Indicateur de panne pour lignes d'alimentation
DE19507772A1 (de) * 1995-03-06 1996-09-12 Horstmann Gmbh Dipl Ing H Kurzschlußanzeiger
DE19703347A1 (de) * 1997-01-30 1998-08-06 Horstmann Gmbh Dipl Ing H Vorrichtung zur schnellen Fehlerortung in Starkstromnetzen
WO2010133717A1 (fr) * 2009-05-20 2010-11-25 Inael Electrical Systems, S.A. Procédé d'activation du compteur d'un sectionnaliseur
CN110850234B (zh) * 2019-11-21 2021-12-17 南京能云电力科技有限公司 一种故障指示器自动检测系统及检测方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735248A (en) * 1970-03-31 1973-05-22 R Reese Apparatus having automatic re-set means for detecting a fault current
DE2048695A1 (de) * 1970-10-03 1972-04-06 Licentia Gmbh Mehrseitig gespeistes Hochspannungsnetz
US3673455A (en) * 1970-11-18 1972-06-27 Gen Electric High speed sensor for initiating circuit breaker tripping
US4223365A (en) * 1979-03-29 1980-09-16 Mcgraw-Edison Company Auto resetting switchgear trip indicator circuits
DE3220434A1 (de) * 1982-05-29 1983-12-01 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur ueberwachung einer messgroesse
FR2598266B1 (fr) * 1986-04-30 1994-02-18 Merlin Et Gerin Declencheur statique instantane pour un disjoncteur limiteur

Also Published As

Publication number Publication date
AU6161890A (en) 1991-03-11
WO1991002396A1 (fr) 1991-02-21
WO1991002395A1 (fr) 1991-02-21
AU6294590A (en) 1991-03-11

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead