BR8301903A - Aparelho para comandar diferencas entre niveis de corrente em zonas adjacentes de uma linha de transmissao de corrente alternada - Google Patents

Aparelho para comandar diferencas entre niveis de corrente em zonas adjacentes de uma linha de transmissao de corrente alternada

Info

Publication number
BR8301903A
BR8301903A BR8301903A BR8301903A BR8301903A BR 8301903 A BR8301903 A BR 8301903A BR 8301903 A BR8301903 A BR 8301903A BR 8301903 A BR8301903 A BR 8301903A BR 8301903 A BR8301903 A BR 8301903A
Authority
BR
Brazil
Prior art keywords
commanding
appliance
differences
transmission line
adjacent areas
Prior art date
Application number
BR8301903A
Other languages
English (en)
Inventor
Colin Terry Osborne
Original Assignee
Lucas Ind Plc
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 Lucas Ind Plc filed Critical Lucas Ind Plc
Publication of BR8301903A publication Critical patent/BR8301903A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • 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
    • H02H3/28—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Current Or Voltage (AREA)
BR8301903A 1982-04-16 1983-04-14 Aparelho para comandar diferencas entre niveis de corrente em zonas adjacentes de uma linha de transmissao de corrente alternada BR8301903A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8211160 1982-04-16

Publications (1)

Publication Number Publication Date
BR8301903A true BR8301903A (pt) 1983-12-20

Family

ID=10529752

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8301903A BR8301903A (pt) 1982-04-16 1983-04-14 Aparelho para comandar diferencas entre niveis de corrente em zonas adjacentes de uma linha de transmissao de corrente alternada

Country Status (4)

Country Link
US (1) US4540939A (pt)
EP (1) EP0092335B1 (pt)
BR (1) BR8301903A (pt)
DE (1) DE3360649D1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8400638D0 (en) * 1984-01-11 1984-02-15 Dynalog Electronics Ltd Electromagnetic monitoring of marine pipes
JPS60227326A (ja) * 1984-04-25 1985-11-12 日本信号株式会社 負荷駆動用スイツチ回路の監視装置
US4720996A (en) * 1986-01-10 1988-01-26 Western Atlas International, Inc. Power control system for subsurface formation testing apparatus
US4899103A (en) * 1987-07-16 1990-02-06 Brooktree Corporation Current meter
FR2688931B1 (fr) * 1992-03-19 1995-07-07 Merlin Gerin Combine de mesure a capteur de courant et transformateur d'alimentation.
US5587864A (en) * 1994-04-11 1996-12-24 Ford Motor Company Short circuit and ground fault protection for an electrical system
SE515388C2 (sv) * 1995-09-14 2001-07-23 Abb Research Ltd Anordning för avkänning av elektriska urladdningar i ett provobjekt

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2240699A (en) * 1938-11-12 1941-05-06 Westinghouse Electric & Mfg Co Differential protective relaying
CH554096A (fr) * 1970-12-17 1974-09-13 Merlin Gerin Dispositif de protection selective d'un reseau de distribution d'energie electrique.
US3686531A (en) * 1971-04-08 1972-08-22 Robert M Decker Fault locating system for electrical circuits
FR2363925A1 (fr) * 1976-08-31 1978-03-31 Schlumberger Compteurs Dispositif de protection d'un noeud electrique
US4110808A (en) * 1977-09-02 1978-08-29 General Electric Company Ground fault protection system for multiple source distribution networks

Also Published As

Publication number Publication date
DE3360649D1 (en) 1985-10-03
US4540939A (en) 1985-09-10
EP0092335B1 (en) 1985-08-28
EP0092335A1 (en) 1983-10-26

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)