FR2202390A1 - - Google Patents

Info

Publication number
FR2202390A1
FR2202390A1 FR7335547A FR7335547A FR2202390A1 FR 2202390 A1 FR2202390 A1 FR 2202390A1 FR 7335547 A FR7335547 A FR 7335547A FR 7335547 A FR7335547 A FR 7335547A FR 2202390 A1 FR2202390 A1 FR 2202390A1
Authority
FR
France
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
FR7335547A
Other languages
French (fr)
Other versions
FR2202390B1 (zh
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 FR2202390A1 publication Critical patent/FR2202390A1/fr
Application granted granted Critical
Publication of FR2202390B1 publication Critical patent/FR2202390B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H02H3/302—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 involving phase comparison
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Feedback Control In General (AREA)
  • Radio Relay Systems (AREA)
FR7335547A 1972-10-04 1973-10-04 Expired FR2202390B1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29503172A 1972-10-04 1972-10-04

Publications (2)

Publication Number Publication Date
FR2202390A1 true FR2202390A1 (zh) 1974-05-03
FR2202390B1 FR2202390B1 (zh) 1980-07-25

Family

ID=23135936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7335547A Expired FR2202390B1 (zh) 1972-10-04 1973-10-04

Country Status (9)

Country Link
JP (1) JPS6147045B2 (zh)
AR (1) AR207747A1 (zh)
BR (1) BR7307655D0 (zh)
CA (1) CA1025992A (zh)
FR (1) FR2202390B1 (zh)
GB (1) GB1449682A (zh)
IN (1) IN140736B (zh)
IT (1) IT997405B (zh)
SE (1) SE397908B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2300448A1 (fr) * 1975-02-07 1976-09-03 Westinghouse Electric Corp Appareil a relais de protection pour lignes de transmissions d'energie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2300448A1 (fr) * 1975-02-07 1976-09-03 Westinghouse Electric Corp Appareil a relais de protection pour lignes de transmissions d'energie

Also Published As

Publication number Publication date
GB1449682A (en) 1976-09-15
IN140736B (zh) 1976-12-18
FR2202390B1 (zh) 1980-07-25
AU6102873A (en) 1975-04-10
SE397908B (sv) 1977-11-21
JPS49132540A (zh) 1974-12-19
BR7307655D0 (pt) 1974-08-22
AR207747A1 (es) 1976-10-29
IT997405B (it) 1975-12-30
CA1025992A (en) 1978-02-07
JPS6147045B2 (zh) 1986-10-17

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Legal Events

Date Code Title Description
ST Notification of lapse