JPS5841365A - 加入者線路抵抗測定装置 - Google Patents

加入者線路抵抗測定装置

Info

Publication number
JPS5841365A
JPS5841365A JP56139462A JP13946281A JPS5841365A JP S5841365 A JPS5841365 A JP S5841365A JP 56139462 A JP56139462 A JP 56139462A JP 13946281 A JP13946281 A JP 13946281A JP S5841365 A JPS5841365 A JP S5841365A
Authority
JP
Japan
Prior art keywords
voltage
subscriber line
constant current
current
resistance
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.)
Granted
Application number
JP56139462A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6331054B2 (cg-RX-API-DMAC7.html
Inventor
Shoichi Abe
正一 阿部
Yoshimasa Tokui
得井　慶昌
Naohiro Kimura
直弘 木村
Koji Inoue
井上　浩次
Takeshi Honda
本多　武
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.)
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Oki Electric Industry Co Ltd
NTT Inc
Original Assignee
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Nippon Electric Co 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 Fujitsu Ltd, Hitachi Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP56139462A priority Critical patent/JPS5841365A/ja
Publication of JPS5841365A publication Critical patent/JPS5841365A/ja
Publication of JPS6331054B2 publication Critical patent/JPS6331054B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
JP56139462A 1981-09-04 1981-09-04 加入者線路抵抗測定装置 Granted JPS5841365A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56139462A JPS5841365A (ja) 1981-09-04 1981-09-04 加入者線路抵抗測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56139462A JPS5841365A (ja) 1981-09-04 1981-09-04 加入者線路抵抗測定装置

Publications (2)

Publication Number Publication Date
JPS5841365A true JPS5841365A (ja) 1983-03-10
JPS6331054B2 JPS6331054B2 (cg-RX-API-DMAC7.html) 1988-06-22

Family

ID=15245784

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56139462A Granted JPS5841365A (ja) 1981-09-04 1981-09-04 加入者線路抵抗測定装置

Country Status (1)

Country Link
JP (1) JPS5841365A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150037136A (ko) * 2013-09-30 2015-04-08 한국전력공사 지중송전선로의 선로정수 분석장치 및 분석방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150037136A (ko) * 2013-09-30 2015-04-08 한국전력공사 지중송전선로의 선로정수 분석장치 및 분석방법

Also Published As

Publication number Publication date
JPS6331054B2 (cg-RX-API-DMAC7.html) 1988-06-22

Similar Documents

Publication Publication Date Title
JP2829063B2 (ja) 加入者線路測定方法及びその測定装置
US4424479A (en) Loop fault location
US5818905A (en) Subscriber line impedance measurement method and measuring circuit
RU2381513C1 (ru) Способ определения сопротивлений изоляции присоединений в сети постоянного тока с изолированной нейтралью, устройство для его осуществления и дифференциальный датчик для этого устройства
US4113998A (en) Testing electrically conductive lines to determine electrical characteristics thereof
JPS5841365A (ja) 加入者線路抵抗測定装置
JPS5854773A (ja) 加入者回路
US1811319A (en) Alternating-current direct-current meter
EP0061189A1 (en) Subscriber line testing system
CA2067535C (en) Current limited subscriber interface circuit
JPH0136362Y2 (cg-RX-API-DMAC7.html)
CA1086824A (en) Telephone testing method and apparatus
JP2998624B2 (ja) 加入者線インピーダンス測定方法及び測定回路
JP3143036B2 (ja) 抵抗率測定回路
US1557038A (en) Power-factor meter
JP4246955B2 (ja) 加入者線路試験方法
SU1185209A1 (ru) Устройство дл измерени электрохимического потенциала активности ионов в растворах
JPS5842351A (ja) 線路電圧測定方式
SU936170A1 (ru) Устройство дл компенсации погрешностей защитного трансформатора тока в установившемс режиме короткого замыкани
SU525191A1 (ru) Устройство дл защиты от однофазных замыканий на землю в компенсированных сет х
SE7907752L (sv) Testutrustning for telefonledningar
SU1455324A1 (ru) Трансформаторный мост переменного тока дл измерени параметров комплексных сопротивлений
JPH0479116B2 (cg-RX-API-DMAC7.html)
JPS59143970A (ja) 接地抵抗測定方式
JPS57155868A (en) Error current correcting circuit