JPS57153270A - Fault point ranging device - Google Patents

Fault point ranging device

Info

Publication number
JPS57153270A
JPS57153270A JP4140981A JP4140981A JPS57153270A JP S57153270 A JPS57153270 A JP S57153270A JP 4140981 A JP4140981 A JP 4140981A JP 4140981 A JP4140981 A JP 4140981A JP S57153270 A JPS57153270 A JP S57153270A
Authority
JP
Japan
Prior art keywords
voltage
current
transmission
terminal
resistance value
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.)
Pending
Application number
JP4140981A
Other languages
Japanese (ja)
Inventor
Junichiro Tsukamoto
Yasuhiko Hosokawa
Shunichiro Onishi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP4140981A priority Critical patent/JPS57153270A/en
Publication of JPS57153270A publication Critical patent/JPS57153270A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)

Abstract

PURPOSE:To obtain easily the distance up to a fault point, by transmitting voltage values and current values at both ends of a transmission line. CONSTITUTION:When the voltage at a power transmission terminal, the current at said transmission terminal, the voltage at a reception terminal, the current at said reception terminal, the voltage at an accident point, and the resistance value of the transmission line between two transduction places are denoted as Vs, Is, Vr, Ir, Vx, and R1 respectively, a resistance value R1 from the transmission terminal to the accident point is equal to (Vs-Vr-Ir.R)/(Is-Ir). The voltage Vs and the current Is are transmitted through a transmission device 8, and Vs-Vr-Ir.R and Is-Ir are obtained by adders 10 and 11 at the reception terminal and are inputted to a dividing circuit 13 to obtain the resistance value from the sending transmission terminal end to the accident point. However, since Is=Ir is true when the transmission line is indefectible, it is necessary to provide a switch 12 which is closed when an accident is detected in the input part of the divider.
JP4140981A 1981-03-18 1981-03-18 Fault point ranging device Pending JPS57153270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4140981A JPS57153270A (en) 1981-03-18 1981-03-18 Fault point ranging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4140981A JPS57153270A (en) 1981-03-18 1981-03-18 Fault point ranging device

Publications (1)

Publication Number Publication Date
JPS57153270A true JPS57153270A (en) 1982-09-21

Family

ID=12607553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4140981A Pending JPS57153270A (en) 1981-03-18 1981-03-18 Fault point ranging device

Country Status (1)

Country Link
JP (1) JPS57153270A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60204220A (en) * 1984-03-29 1985-10-15 株式会社東芝 Transmission line defect defining system
JP2016038266A (en) * 2014-08-07 2016-03-22 東日本旅客鉄道株式会社 Fault point orientation system, and fault point orientation method, for dc feeder circuit for electric railway

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55112575A (en) * 1979-02-23 1980-08-30 Toshiba Corp Faulty point ranging unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55112575A (en) * 1979-02-23 1980-08-30 Toshiba Corp Faulty point ranging unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60204220A (en) * 1984-03-29 1985-10-15 株式会社東芝 Transmission line defect defining system
JP2016038266A (en) * 2014-08-07 2016-03-22 東日本旅客鉄道株式会社 Fault point orientation system, and fault point orientation method, for dc feeder circuit for electric railway

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