JPS6147045B2 - - Google Patents

Info

Publication number
JPS6147045B2
JPS6147045B2 JP48110635A JP11063573A JPS6147045B2 JP S6147045 B2 JPS6147045 B2 JP S6147045B2 JP 48110635 A JP48110635 A JP 48110635A JP 11063573 A JP11063573 A JP 11063573A JP S6147045 B2 JPS6147045 B2 JP S6147045B2
Authority
JP
Japan
Prior art keywords
circuit
signal
input terminal
phase
current
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
JP48110635A
Other languages
English (en)
Japanese (ja)
Other versions
JPS49132540A (enrdf_load_stackoverflow
Inventor
Arufuretsudo Sutoritsukurando Junia Uiriamu
Ribingusuton Hainman Junia Uorutaa
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 JPS49132540A publication Critical patent/JPS49132540A/ja
Publication of JPS6147045B2 publication Critical patent/JPS6147045B2/ja
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)
JP48110635A 1972-10-04 1973-10-03 Expired JPS6147045B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS49132540A JPS49132540A (enrdf_load_stackoverflow) 1974-12-19
JPS6147045B2 true JPS6147045B2 (enrdf_load_stackoverflow) 1986-10-17

Family

ID=23135936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48110635A Expired JPS6147045B2 (enrdf_load_stackoverflow) 1972-10-04 1973-10-03

Country Status (9)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986079A (en) * 1975-02-07 1976-10-12 Westinghouse Electric Corporation Offset keying technique for segregated phase comparison relaying

Also Published As

Publication number Publication date
FR2202390A1 (enrdf_load_stackoverflow) 1974-05-03
SE397908B (sv) 1977-11-21
JPS49132540A (enrdf_load_stackoverflow) 1974-12-19
BR7307655D0 (pt) 1974-08-22
CA1025992A (en) 1978-02-07
GB1449682A (en) 1976-09-15
AU6102873A (en) 1975-04-10
FR2202390B1 (enrdf_load_stackoverflow) 1980-07-25
AR207747A1 (es) 1976-10-29
IN140736B (enrdf_load_stackoverflow) 1976-12-18
IT997405B (it) 1975-12-30

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