ES444972A1 - Aparato de proteccion con reles. - Google Patents

Aparato de proteccion con reles.

Info

Publication number
ES444972A1
ES444972A1 ES444972A ES444972A ES444972A1 ES 444972 A1 ES444972 A1 ES 444972A1 ES 444972 A ES444972 A ES 444972A ES 444972 A ES444972 A ES 444972A ES 444972 A1 ES444972 A1 ES 444972A1
Authority
ES
Spain
Prior art keywords
una
línea
salida
dicha
palabra
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
ES444972A
Other languages
English (en)
Spanish (es)
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.)
CBS 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 ES444972A1 publication Critical patent/ES444972A1/es
Expired 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)
ES444972A 1975-02-07 1976-02-06 Aparato de proteccion con reles. Expired ES444972A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES444972A1 true ES444972A1 (es) 1977-05-01

Family

ID=24187555

Family Applications (1)

Application Number Title Priority Date Filing Date
ES444972A Expired ES444972A1 (es) 1975-02-07 1976-02-06 Aparato de proteccion con reles.

Country Status (11)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2815479B1 (en) 2012-02-14 2017-01-04 Tollgrade Communications, Inc. Power line management system
WO2015153539A2 (en) 2014-03-31 2015-10-08 Tollgrade Communication, Inc. Optical voltage sensing for underground medium voltage wires
US10203355B2 (en) 2014-08-29 2019-02-12 Aclara Technologies Llc Power extraction for a medium voltage sensor using a capacitive voltage divider

Family Cites Families (4)

* 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
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

Also Published As

Publication number Publication date
IN145194B (da) 1978-09-09
IT1056690B (it) 1982-02-20
AR212018A1 (es) 1978-04-28
FR2300449A1 (fr) 1976-09-03
FR2300449B1 (da) 1982-04-02
SE404109B (sv) 1978-09-18
JPS51103242A (da) 1976-09-11
GB1501351A (en) 1978-02-15
BR7600683A (pt) 1976-08-31
AU503606B2 (en) 1979-09-13
DE2604313A1 (de) 1976-08-19
SE7601298L (sv) 1976-08-09
AU1053276A (en) 1977-07-28

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