GB2072973B - Power feeder protection apparatus - Google Patents

Power feeder protection apparatus

Info

Publication number
GB2072973B
GB2072973B GB8108438A GB8108438A GB2072973B GB 2072973 B GB2072973 B GB 2072973B GB 8108438 A GB8108438 A GB 8108438A GB 8108438 A GB8108438 A GB 8108438A GB 2072973 B GB2072973 B GB 2072973B
Authority
GB
United Kingdom
Prior art keywords
protection apparatus
power feeder
feeder protection
power
protection
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
GB8108438A
Other versions
GB2072973A (en
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to GB8108438A priority Critical patent/GB2072973B/en
Publication of GB2072973A publication Critical patent/GB2072973A/en
Application granted granted Critical
Publication of GB2072973B publication Critical patent/GB2072973B/en
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
    • H02H7/267—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 for parallel lines and wires
    • 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
    • H02H3/40—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 ratio of voltage and current
    • H02H3/402—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 ratio of voltage and current using homopolar quantities
GB8108438A 1980-03-21 1981-03-18 Power feeder protection apparatus Expired GB2072973B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8108438A GB2072973B (en) 1980-03-21 1981-03-18 Power feeder protection apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8009709 1980-03-21
GB8108438A GB2072973B (en) 1980-03-21 1981-03-18 Power feeder protection apparatus

Publications (2)

Publication Number Publication Date
GB2072973A GB2072973A (en) 1981-10-07
GB2072973B true GB2072973B (en) 1983-06-02

Family

ID=26274930

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8108438A Expired GB2072973B (en) 1980-03-21 1981-03-18 Power feeder protection apparatus

Country Status (1)

Country Link
GB (1) GB2072973B (en)

Also Published As

Publication number Publication date
GB2072973A (en) 1981-10-07

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee