GB1137424A - Improvements in or relating to electrical lines - Google Patents

Improvements in or relating to electrical lines

Info

Publication number
GB1137424A
GB1137424A GB3015566A GB3015566A GB1137424A GB 1137424 A GB1137424 A GB 1137424A GB 3015566 A GB3015566 A GB 3015566A GB 3015566 A GB3015566 A GB 3015566A GB 1137424 A GB1137424 A GB 1137424A
Authority
GB
United Kingdom
Prior art keywords
switches
disc
fault
released
feeder
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
GB3015566A
Other languages
English (en)
Inventor
Armando Sperandini
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1137424A publication Critical patent/GB1137424A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/18—Frequency-division multiplex systems in which all the carriers are amplitude-modulated
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • 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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/042—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned combined with means for locating the fault
    • 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
    • H02H3/02—Details
    • H02H3/06—Details with automatic reconnection
    • H02H3/063—Details concerning the co-operation of many similar arrangements, e.g. in a network

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
GB3015566A 1965-07-05 1966-07-05 Improvements in or relating to electrical lines Expired GB1137424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1500965 1965-07-05

Publications (1)

Publication Number Publication Date
GB1137424A true GB1137424A (en) 1968-12-18

Family

ID=11146181

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3015566A Expired GB1137424A (en) 1965-07-05 1966-07-05 Improvements in or relating to electrical lines

Country Status (4)

Country Link
BE (1) BE683655A (https=)
CH (1) CH446132A (https=)
DE (1) DE1298180B (https=)
GB (1) GB1137424A (https=)

Also Published As

Publication number Publication date
BE683655A (https=) 1966-12-16
DE1298180B (de) 1969-06-26
CH446132A (it) 1967-10-31

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