AU6161890A - Adaptive trip fault current indicator - Google Patents

Adaptive trip fault current indicator

Info

Publication number
AU6161890A
AU6161890A AU61618/90A AU6161890A AU6161890A AU 6161890 A AU6161890 A AU 6161890A AU 61618/90 A AU61618/90 A AU 61618/90A AU 6161890 A AU6161890 A AU 6161890A AU 6161890 A AU6161890 A AU 6161890A
Authority
AU
Australia
Prior art keywords
fault current
current indicator
trip fault
adaptive trip
adaptive
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
AU61618/90A
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
SIGMA INSTR DIVISION
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 SIGMA INSTR DIVISION filed Critical SIGMA INSTR DIVISION
Publication of AU6161890A publication Critical patent/AU6161890A/en
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)
AU61618/90A 1989-08-07 1990-08-07 Adaptive trip fault current indicator Abandoned AU6161890A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/390,541 US5029039A (en) 1989-08-07 1989-08-07 Current adaptive fault indicator
US390541 1989-08-07
US505483 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
AU6161890A true AU6161890A (en) 1991-03-11

Family

ID=27013183

Family Applications (2)

Application Number Title Priority Date Filing Date
AU62945/90A Abandoned AU6294590A (en) 1989-08-07 1990-08-06 Current adaptive fault indicator
AU61618/90A Abandoned AU6161890A (en) 1989-08-07 1990-08-07 Adaptive trip fault current indicator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AU62945/90A Abandoned AU6294590A (en) 1989-08-07 1990-08-06 Current adaptive fault indicator

Country Status (3)

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

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 (en) * 1991-12-09 1993-06-24 Campbell Houston Keenan Fault indicator for power lines
DE19507772A1 (en) * 1995-03-06 1996-09-12 Horstmann Gmbh Dipl Ing H Short-circuit indicator
DE19703347A1 (en) * 1997-01-30 1998-08-06 Horstmann Gmbh Dipl Ing H Device for rapid fault location in high-voltage networks
MX2011010991A (en) * 2009-05-20 2012-04-02 Inael Electrical Systems S A Method for activating the counter of a sectionalizer.
CN110850234B (en) * 2019-11-21 2021-12-17 南京能云电力科技有限公司 Automatic detection system and detection method for fault indicator

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 (en) * 1970-10-03 1972-04-06 Licentia Gmbh Multi-sided high-voltage network
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 (en) * 1982-05-29 1983-12-01 Robert Bosch Gmbh, 7000 Stuttgart METHOD FOR MONITORING A MEASUREMENT
FR2598266B1 (en) * 1986-04-30 1994-02-18 Merlin Et Gerin INSTANT STATIC TRIGGER FOR A LIMITING CIRCUIT BREAKER

Also Published As

Publication number Publication date
CA2064834A1 (en) 1991-02-08
WO1991002395A1 (en) 1991-02-21
WO1991002396A1 (en) 1991-02-21
AU6294590A (en) 1991-03-11

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