FR2300449A1 - Appareil a relais pour la protection d'une section de ligne de distribution de courant - Google Patents

Appareil a relais pour la protection d'une section de ligne de distribution de courant

Info

Publication number
FR2300449A1
FR2300449A1 FR7602693A FR7602693A FR2300449A1 FR 2300449 A1 FR2300449 A1 FR 2300449A1 FR 7602693 A FR7602693 A FR 7602693A FR 7602693 A FR7602693 A FR 7602693A FR 2300449 A1 FR2300449 A1 FR 2300449A1
Authority
FR
France
Prior art keywords
protection
relay device
distribution line
line section
current distribution
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.)
Granted
Application number
FR7602693A
Other languages
English (en)
French (fr)
Other versions
FR2300449B1 (enExample
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of FR2300449A1 publication Critical patent/FR2300449A1/fr
Application granted granted Critical
Publication of FR2300449B1 publication Critical patent/FR2300449B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
    • 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
    • H02H3/30—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 using pilot wires or other signalling channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Time-Division Multiplex Systems (AREA)
FR7602693A 1975-02-07 1976-01-30 Appareil a relais pour la protection d'une section de ligne de distribution de courant Granted FR2300449A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54813275A 1975-02-07 1975-02-07

Publications (2)

Publication Number Publication Date
FR2300449A1 true FR2300449A1 (fr) 1976-09-03
FR2300449B1 FR2300449B1 (enExample) 1982-04-02

Family

ID=24187555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7602693A Granted FR2300449A1 (fr) 1975-02-07 1976-01-30 Appareil a relais pour la protection d'une section de ligne de distribution de courant

Country Status (11)

Country Link
JP (1) JPS51103242A (enExample)
AR (1) AR212018A1 (enExample)
AU (1) AU503606B2 (enExample)
BR (1) BR7600683A (enExample)
DE (1) DE2604313A1 (enExample)
ES (1) ES444972A1 (enExample)
FR (1) FR2300449A1 (enExample)
GB (1) GB1501351A (enExample)
IN (1) IN145194B (enExample)
IT (1) IT1056690B (enExample)
SE (1) SE404109B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1130383A (en) 1977-11-14 1982-08-24 Tobias D. Schonken Method and apparatus for monitoring poly-phase currents in poly-phase equipment
GB2135486A (en) * 1983-02-18 1984-08-30 Png Prod Ltd Methods of remote-control using T.D.M. systems and apparatus utilising said methods
JPH02223228A (ja) * 1988-12-06 1990-09-05 General Electric Co <Ge> 通信装置及び方法
US7714735B2 (en) 2005-09-13 2010-05-11 Daniel Rockwell Monitoring electrical assets for fault and efficiency correction
US20130054162A1 (en) 2011-08-31 2013-02-28 Tollgrade Communications, Inc. Methods and apparatus for determining conditions of power lines
US9562925B2 (en) 2012-02-14 2017-02-07 Tollgrade Communications, Inc. Power line management system
US9972989B2 (en) 2014-03-31 2018-05-15 Aclara Technologies Llc Optical voltage sensing for underground medium voltage wires
EP3186646B1 (en) 2014-08-29 2021-10-20 Aclara Technologies LLC Power extraction for a medium voltage sensor using a capacitive voltage divider

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390233A (en) * 1965-01-08 1968-06-25 Sangamo Electric Co Digital unambiguous control of circuit interrupter means
US3696210A (en) * 1970-08-06 1972-10-03 Motorola Inc Data transferring system utilizing a monitor channel and logic circuitry to assure secure data communication

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893008A (en) * 1972-10-04 1975-07-01 Westinghouse Electric Corp Segregated phase comparison relaying apparatus
US3832601A (en) * 1973-08-09 1974-08-27 Westinghouse Electric Corp Phase comparison relaying apparatus with two-count by-pass circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390233A (en) * 1965-01-08 1968-06-25 Sangamo Electric Co Digital unambiguous control of circuit interrupter means
US3696210A (en) * 1970-08-06 1972-10-03 Motorola Inc Data transferring system utilizing a monitor channel and logic circuitry to assure secure data communication

Also Published As

Publication number Publication date
GB1501351A (en) 1978-02-15
SE404109B (sv) 1978-09-18
DE2604313A1 (de) 1976-08-19
BR7600683A (pt) 1976-08-31
JPS51103242A (enExample) 1976-09-11
FR2300449B1 (enExample) 1982-04-02
AU1053276A (en) 1977-07-28
AR212018A1 (es) 1978-04-28
ES444972A1 (es) 1977-05-01
SE7601298L (sv) 1976-08-09
IN145194B (enExample) 1978-09-09
AU503606B2 (en) 1979-09-13
IT1056690B (it) 1982-02-20

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse