JPS5228635A - Grounding detection method for distribution line - Google Patents

Grounding detection method for distribution line

Info

Publication number
JPS5228635A
JPS5228635A JP10395475A JP10395475A JPS5228635A JP S5228635 A JPS5228635 A JP S5228635A JP 10395475 A JP10395475 A JP 10395475A JP 10395475 A JP10395475 A JP 10395475A JP S5228635 A JPS5228635 A JP S5228635A
Authority
JP
Japan
Prior art keywords
distribution line
detection method
grounding detection
grounding
enable
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
JP10395475A
Other languages
Japanese (ja)
Inventor
Makoto Nukiyama
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10395475A priority Critical patent/JPS5228635A/en
Publication of JPS5228635A publication Critical patent/JPS5228635A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To enable to detect even faint grounding in distribution line with wide range and high sensibility.
COPYRIGHT: (C)1977,JPO&Japio
JP10395475A 1975-08-29 1975-08-29 Grounding detection method for distribution line Pending JPS5228635A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10395475A JPS5228635A (en) 1975-08-29 1975-08-29 Grounding detection method for distribution line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10395475A JPS5228635A (en) 1975-08-29 1975-08-29 Grounding detection method for distribution line

Publications (1)

Publication Number Publication Date
JPS5228635A true JPS5228635A (en) 1977-03-03

Family

ID=14367792

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10395475A Pending JPS5228635A (en) 1975-08-29 1975-08-29 Grounding detection method for distribution line

Country Status (1)

Country Link
JP (1) JPS5228635A (en)

Similar Documents

Publication Publication Date Title
JPS5219582A (en) Method and system to detrect partial discharge in high voltage apparat us
JPS5226066A (en) Sedimentation concentration apparatus
JPS5239191A (en) Detecting method of water tree in cable
JPS534412A (en) Test method for subscribing lines
JPS522793A (en) Nitrogen content measuring device
JPS5310840A (en) Detector for fault contact between different pedestal
JPS52104286A (en) Eddy current inspection method
JPS51139221A (en) Method of and apparatus for measuring reflesh period of mis dynamic ty pe memory
JPS5217081A (en) Cable abnormal point detecting apparatus
JPS51134651A (en) Detection method of the thickness of asphalt pavement
JPS5239147A (en) Earth detecting system of distribution line
JPS5414780A (en) Missing phase detector
JPS51147734A (en) Leak detecting apparatus
JPS5278087A (en) Moisture detection method in power cable conductor
JPS529491A (en) Internal electrode
JPS53112675A (en) Discriminator for waveform
JPS5286545A (en) Finish detection system in electronic range
JPS52108877A (en) Apparatus for use with mass spectrometer for automatically detecting a nd setting peak-top of mass number
JPS5235611A (en) Device for reading and judging magnetic pattern in paper material
JPS523125A (en) Leak detection apparatus
JPS5220095A (en) Coin inspection unit
JPS521398A (en) An uranium concentration degree measuring method
JPS523134A (en) Detection circuit for the states in the apparatus to be detected
JPS51131658A (en) Level detecting device
JPS51120269A (en) Rolling materials detection circuit