GB1317691A - Power transmission fault indicator - Google Patents

Power transmission fault indicator

Info

Publication number
GB1317691A
GB1317691A GB3627271A GB3627271A GB1317691A GB 1317691 A GB1317691 A GB 1317691A GB 3627271 A GB3627271 A GB 3627271A GB 3627271 A GB3627271 A GB 3627271A GB 1317691 A GB1317691 A GB 1317691A
Authority
GB
United Kingdom
Prior art keywords
current
magnet
line
indicator
coil
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.)
Expired
Application number
GB3627271A
Other languages
English (en)
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.)
TAFT ELECTROSYSTEMS Inc
Original Assignee
TAFT ELECTROSYSTEMS Inc
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 TAFT ELECTROSYSTEMS Inc filed Critical TAFT ELECTROSYSTEMS Inc
Publication of GB1317691A publication Critical patent/GB1317691A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/15—Indicating the presence of current
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Diaphragms And Bellows (AREA)
  • Laminated Bodies (AREA)
  • Locating Faults (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
GB3627271A 1970-09-04 1971-08-02 Power transmission fault indicator Expired GB1317691A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00069563A US3720872A (en) 1970-09-04 1970-09-04 Power transmission fault indicator with automatic reset means

Publications (1)

Publication Number Publication Date
GB1317691A true GB1317691A (en) 1973-05-23

Family

ID=22089826

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3627271A Expired GB1317691A (en) 1970-09-04 1971-08-02 Power transmission fault indicator

Country Status (7)

Country Link
US (1) US3720872A (enExample)
JP (1) JPS5439572B1 (enExample)
CA (1) CA938675A (enExample)
DE (1) DE2117775A1 (enExample)
FR (1) FR2105244B1 (enExample)
GB (1) GB1317691A (enExample)
IT (1) IT946237B (enExample)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816816A (en) * 1969-11-03 1974-06-11 Schweitzer Mfg Co E Indicating and automatically resettable system for detection of fault current flow in a conductor
US3937937A (en) * 1973-12-26 1976-02-10 Xerox Corporation Primary power fault detector
JPS55117414A (en) * 1979-02-28 1980-09-09 Saneisha Seisakusho Kk Automatic reset overcurrent passage indicating system
US5159319A (en) * 1990-06-25 1992-10-27 Cooper Industries, Inc. Faulted circuit detector having an isolated indicator for an electrical transformer
US5475371A (en) * 1990-06-25 1995-12-12 Cooper Industries, Inc. Faulted circuit detector having isolated indicator
US5959537A (en) * 1998-07-09 1999-09-28 Mcgraw-Edison Company Variable trip fault indicator
US7609158B2 (en) * 2006-10-26 2009-10-27 Cooper Technologies Company Electrical power system control communications network
US7715002B2 (en) * 2007-01-23 2010-05-11 Bionorica Ag Method for classifying scientific materials such as silicate materials, polymer materials and/or nanomaterials
US7930141B2 (en) 2007-11-02 2011-04-19 Cooper Technologies Company Communicating faulted circuit indicator apparatus and method of use thereof
US9383394B2 (en) * 2007-11-02 2016-07-05 Cooper Technologies Company Overhead communicating device
US8594956B2 (en) * 2007-11-02 2013-11-26 Cooper Technologies Company Power line energy harvesting power supply
US8067946B2 (en) * 2007-11-02 2011-11-29 Cooper Technologies Company Method for repairing a transmission line in an electrical power distribution system
DE102007057199B4 (de) * 2007-11-26 2025-07-03 Zf Active Safety Gmbh Sicherheitskritisches System, insbesondere elektromechanisches Feststellbremssystem für ein Kraftfahrzeug, und Verfahren zum Betreiben eines solchen Systems
US20090231764A1 (en) * 2008-03-14 2009-09-17 Cooper Technologies Company Capacitor Bank Monitor and Method of use Thereof
CN103250060A (zh) 2010-08-10 2013-08-14 库柏技术公司 用于安装悬置装置的设备和方法
US9229036B2 (en) 2012-01-03 2016-01-05 Sentient Energy, Inc. Energy harvest split core design elements for ease of installation, high performance, and long term reliability
US9182429B2 (en) 2012-01-04 2015-11-10 Sentient Energy, Inc. Distribution line clamp force using DC bias on coil
DE202012103577U1 (de) * 2012-09-18 2013-12-20 Era-Contact Gmbh Vorrichtung zur Ermittlung eines elektrischen Gleichstroms in einem elektrischen Leiter
US9379556B2 (en) 2013-03-14 2016-06-28 Cooper Technologies Company Systems and methods for energy harvesting and current and voltage measurements
US9954354B2 (en) 2015-01-06 2018-04-24 Sentient Energy, Inc. Methods and apparatus for mitigation of damage of power line assets from traveling electrical arcs
US9984818B2 (en) 2015-12-04 2018-05-29 Sentient Energy, Inc. Current harvesting transformer with protection from high currents
US10634733B2 (en) 2016-11-18 2020-04-28 Sentient Energy, Inc. Overhead power line sensor
US11476674B2 (en) 2018-09-18 2022-10-18 Sentient Technology Holdings, LLC Systems and methods to maximize power from multiple power line energy harvesting devices
US11041915B2 (en) 2018-09-18 2021-06-22 Sentient Technology Holdings, LLC Disturbance detecting current sensor
US12050241B2 (en) 2018-10-15 2024-07-30 Sentient Technology Holdings, Llc. Power line sensors with automatic phase identification
US11125832B2 (en) 2018-12-13 2021-09-21 Sentient Technology Holdings, LLC Multi-phase simulation environment
US11609590B2 (en) 2019-02-04 2023-03-21 Sentient Technology Holdings, LLC Power supply for electric utility underground equipment

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1130633A (en) * 1912-12-27 1915-03-02 Roller Smith Company Polarity-indicator.
US2747045A (en) * 1953-04-02 1956-05-22 Harry W Parmer Signal indicating device
US2947941A (en) * 1958-06-09 1960-08-02 Gen Electric Suppressed zero voltmeter
US3263170A (en) * 1961-08-02 1966-07-26 A & M Instr Inc Expanded scale voltmeter bridge circuit having equal value linear and non-linear impedance arms at balance
GB1029141A (en) * 1964-01-10 1966-05-11 Ferranti Ltd Improvements relating to means for indicating the passage of a fault current along a conductor
US3480863A (en) * 1964-09-01 1969-11-25 Electrosonics Intern Inc Receiver system having visual indicator for changes in electrical state
FR1448076A (fr) * 1965-05-05 1966-08-05 Jeumont Schneider Dispositif à seuil sensible à un niveau de tension
US3524133A (en) * 1966-09-09 1970-08-11 Gen Electric Static state voltage and current monitoring device for electric power cable terminations
US3531790A (en) * 1966-12-16 1970-09-29 Chance Co Ab Energized line indicator

Also Published As

Publication number Publication date
CA938675A (en) 1973-12-18
JPS5439572B1 (enExample) 1979-11-28
IT946237B (it) 1973-05-21
FR2105244B1 (enExample) 1975-02-07
US3720872A (en) 1973-03-13
FR2105244A1 (enExample) 1972-04-28
DE2117775A1 (de) 1972-03-09
JPS476120A (enExample) 1972-04-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PLNP Patent lapsed through nonpayment of renewal fees