GB2087573B - Line signal fault detection system - Google Patents

Line signal fault detection system

Info

Publication number
GB2087573B
GB2087573B GB8134285A GB8134285A GB2087573B GB 2087573 B GB2087573 B GB 2087573B GB 8134285 A GB8134285 A GB 8134285A GB 8134285 A GB8134285 A GB 8134285A GB 2087573 B GB2087573 B GB 2087573B
Authority
GB
United Kingdom
Prior art keywords
detection system
fault detection
line signal
signal fault
line
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
GB8134285A
Other versions
GB2087573A (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.)
GEC General Signal Ltd
Original Assignee
GEC General Signal Ltd
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 GEC General Signal Ltd filed Critical GEC General Signal Ltd
Priority to GB8134285A priority Critical patent/GB2087573B/en
Publication of GB2087573A publication Critical patent/GB2087573A/en
Application granted granted Critical
Publication of GB2087573B publication Critical patent/GB2087573B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08—Circuitry
    • B61L7/10—Circuitry for light signals, e.g. for supervision, back-signalling
    • B61L7/103—Electric control of the setting of signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
    • G01R19/1658—AC voltage or recurrent signals
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/55—Testing for incorrect line connections
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Locating Faults (AREA)
GB8134285A 1980-11-17 1981-11-13 Line signal fault detection system Expired GB2087573B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8134285A GB2087573B (en) 1980-11-17 1981-11-13 Line signal fault detection system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8036764 1980-11-17
GB8134285A GB2087573B (en) 1980-11-17 1981-11-13 Line signal fault detection system

Publications (2)

Publication Number Publication Date
GB2087573A GB2087573A (en) 1982-05-26
GB2087573B true GB2087573B (en) 1984-05-23

Family

ID=26277531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8134285A Expired GB2087573B (en) 1980-11-17 1981-11-13 Line signal fault detection system

Country Status (1)

Country Link
GB (1) GB2087573B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2237461B (en) * 1989-10-09 1993-12-08 Scantronic Ltd Monitoring faults in electrical circuit arrangements
CN115993504B (en) * 2023-03-23 2023-08-18 山东盛日电力集团有限公司 Intelligent fault diagnosis method and system for electrical equipment

Also Published As

Publication number Publication date
GB2087573A (en) 1982-05-26

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20011112