JPS60107290A - 故障区画発見回路を有する表皮電流発熱管 - Google Patents

故障区画発見回路を有する表皮電流発熱管

Info

Publication number
JPS60107290A
JPS60107290A JP21375883A JP21375883A JPS60107290A JP S60107290 A JPS60107290 A JP S60107290A JP 21375883 A JP21375883 A JP 21375883A JP 21375883 A JP21375883 A JP 21375883A JP S60107290 A JPS60107290 A JP S60107290A
Authority
JP
Japan
Prior art keywords
heating tube
skin current
current heating
tube
section
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
JP21375883A
Other languages
English (en)
Japanese (ja)
Other versions
JPH028437B2 (enrdf_load_stackoverflow
Inventor
安藤　政夫
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.)
JNC Engineering Co Ltd
Original Assignee
Chisso Engineering 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 Chisso Engineering Co Ltd filed Critical Chisso Engineering Co Ltd
Priority to JP21375883A priority Critical patent/JPS60107290A/ja
Publication of JPS60107290A publication Critical patent/JPS60107290A/ja
Publication of JPH028437B2 publication Critical patent/JPH028437B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Resistance Heating (AREA)
JP21375883A 1983-11-14 1983-11-14 故障区画発見回路を有する表皮電流発熱管 Granted JPS60107290A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21375883A JPS60107290A (ja) 1983-11-14 1983-11-14 故障区画発見回路を有する表皮電流発熱管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21375883A JPS60107290A (ja) 1983-11-14 1983-11-14 故障区画発見回路を有する表皮電流発熱管

Publications (2)

Publication Number Publication Date
JPS60107290A true JPS60107290A (ja) 1985-06-12
JPH028437B2 JPH028437B2 (enrdf_load_stackoverflow) 1990-02-23

Family

ID=16644539

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21375883A Granted JPS60107290A (ja) 1983-11-14 1983-11-14 故障区画発見回路を有する表皮電流発熱管

Country Status (1)

Country Link
JP (1) JPS60107290A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0724338U (ja) * 1991-04-26 1995-05-09 清水製薬株式会社 医薬品用プラスチック容器の口栓

Also Published As

Publication number Publication date
JPH028437B2 (enrdf_load_stackoverflow) 1990-02-23

Similar Documents

Publication Publication Date Title
US3299351A (en) Apparatus for detecting faults in buried cables including means for applying a composite signal having fundamental and even harmonic frequency components
US7514933B2 (en) System and method for determining location of phase-to-earth fault
AU6943296A (en) A device for sensing of electric discharges in a test object
EP1599738B1 (en) Detection of earth faults in three phase systems
US3405356A (en) System including two pairs of voltage electrodes for detecting discontinuities in insulation coatings on conductive conduit
EP0843823B1 (en) Detection and location of current leakage paths
US4839598A (en) Method for testing underground electric cables
JPS60107290A (ja) 故障区画発見回路を有する表皮電流発熱管
Zupa et al. A practical ground potential rise prediction technique for power stations
KR890003054B1 (ko) 이상검출 설비를 갖춘 직렬표피 전류 발열관 회로
Das et al. Investigations on feasibility of fault detection in underground power cables using SFRA
Yi et al. An novel in-service cable dielectric loss measurement
JP6358562B2 (ja) 超電導ケーブル線路の劣化位置測定方法
JP2850463B2 (ja) 電力ケーブルの劣化診断法
Nganpitak et al. Dielectric Loss Factor Measurement in A Gas-Insulated Transmission Line by Using Very Low Frequency Test
Wollaston et al. Cable sheath jacket requirements to withstand abnormal voltage stresses
Bascom et al. Power cable failure modes and fault location methods, practices and strategies
Jang et al. A Study of VLF PD Diagnosis Using Extend Exciting Cable
JPH11295379A (ja) 地中配電線の地絡事故検出方法
JamshidiGahrouei et al. Modeling and simulation of underground cable fault location detection with proteus software
JP2016101016A (ja) 超電導ケーブル線路
Reid et al. Defect location and characterisation in an EPR MV cable using TDOA and thermal techniques
JPS614192A (ja) 内張りのある長距離表皮電流発熱管
CN116298530A (zh) 一种城市轨道交通接地系统安全性能检测方法及系统
JPH0554913B2 (enrdf_load_stackoverflow)