JPS4412330B1 - - Google Patents

Info

Publication number
JPS4412330B1
JPS4412330B1 JP3892766A JP3892766A JPS4412330B1 JP S4412330 B1 JPS4412330 B1 JP S4412330B1 JP 3892766 A JP3892766 A JP 3892766A JP 3892766 A JP3892766 A JP 3892766A JP S4412330 B1 JPS4412330 B1 JP S4412330B1
Authority
JP
Japan
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.)
Pending
Application number
JP3892766A
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 filed Critical
Publication of JPS4412330B1 publication Critical patent/JPS4412330B1/ja
Pending 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
JP3892766A 1965-06-17 1966-06-17 Pending JPS4412330B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US464771A US3381178A (en) 1965-06-17 1965-06-17 Relaying system for high voltage transmission line utilizing a coupling capacitor

Publications (1)

Publication Number Publication Date
JPS4412330B1 true JPS4412330B1 (ja) 1969-06-04

Family

ID=23845164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3892766A Pending JPS4412330B1 (ja) 1965-06-17 1966-06-17

Country Status (4)

Country Link
US (1) US3381178A (ja)
JP (1) JPS4412330B1 (ja)
CH (1) CH435421A (ja)
DE (1) DE1563913A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3470418A (en) * 1967-06-06 1969-09-30 Westinghouse Electric Corp Phase comparison relaying network
US3683519A (en) * 1969-12-31 1972-08-15 Adelene Creamer Non-slip foot device
US3679937A (en) * 1970-11-24 1972-07-25 Novocherkassky Politekhmichesk Method of and apparatus for blocking phase-comparison protection
US3898531A (en) * 1974-01-25 1975-08-05 Westinghouse Electric Corp Segregated phase comparison relaying apparatus
SE525006C2 (sv) * 2002-11-13 2004-11-09 Abb Ab Hjälpkraftförsörjning
WO2008145622A1 (en) * 2007-05-29 2008-12-04 Abb Technology Ag Power supply apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2692352A (en) * 1952-04-26 1954-10-19 Robert I Ward Relaying system
US3311785A (en) * 1964-08-11 1967-03-28 Westinghouse Electric Corp Transistorized phase comparison relaying

Also Published As

Publication number Publication date
US3381178A (en) 1968-04-30
DE1563913A1 (de) 1970-02-19
CH435421A (de) 1967-05-15

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