JPS51113131A - Method of detecting disconnection trouble - Google Patents

Method of detecting disconnection trouble

Info

Publication number
JPS51113131A
JPS51113131A JP3843675A JP3843675A JPS51113131A JP S51113131 A JPS51113131 A JP S51113131A JP 3843675 A JP3843675 A JP 3843675A JP 3843675 A JP3843675 A JP 3843675A JP S51113131 A JPS51113131 A JP S51113131A
Authority
JP
Japan
Prior art keywords
detecting disconnection
accident
disconnection
disconnection trouble
zero phase
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
JP3843675A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5750131B2 (enrdf_load_html_response
Inventor
Hideo Miura
Mitsuaki Aida
Atsuhiro Yoshizaki
Mitsuo Watai
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
Takamatsu Electric Works Ltd
Original Assignee
Hitachi Ltd
Takamatsu Electric Works 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, Takamatsu Electric Works Ltd filed Critical Hitachi Ltd
Priority to JP3843675A priority Critical patent/JPS51113131A/ja
Publication of JPS51113131A publication Critical patent/JPS51113131A/ja
Publication of JPS5750131B2 publication Critical patent/JPS5750131B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP3843675A 1975-03-28 1975-03-28 Method of detecting disconnection trouble Granted JPS51113131A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3843675A JPS51113131A (en) 1975-03-28 1975-03-28 Method of detecting disconnection trouble

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3843675A JPS51113131A (en) 1975-03-28 1975-03-28 Method of detecting disconnection trouble

Publications (2)

Publication Number Publication Date
JPS51113131A true JPS51113131A (en) 1976-10-06
JPS5750131B2 JPS5750131B2 (enrdf_load_html_response) 1982-10-26

Family

ID=12525246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3843675A Granted JPS51113131A (en) 1975-03-28 1975-03-28 Method of detecting disconnection trouble

Country Status (1)

Country Link
JP (1) JPS51113131A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS5750131B2 (enrdf_load_html_response) 1982-10-26

Similar Documents

Publication Publication Date Title
JPS51113131A (en) Method of detecting disconnection trouble
JPS51113132A (en) System for detecting disconnection trouble
JPS5471347A (en) State detector
JPS5210514A (en) Transformation device
JPS51121154A (en) Disconnection detection system for d-c transmission line
JPS5366548A (en) Grounding fault detector for dc circuit
JPS51111358A (en) Liquid-level-lowering detection device for battery electrolyte
JPS51147734A (en) Leak detecting apparatus
JPS5217041A (en) System for detecting a point on a transmission line where an abnormal state occurs
JPS525443A (en) Wire disconnection detecting process
JPS51122739A (en) System for grounding disconnection detection impedance
JPS524895A (en) Gas detector
JPS5357490A (en) Trouble detecting system for electric appliances
JPS52102550A (en) Grounding detection system
JPS53135842A (en) Ion etching process
JPS51130840A (en) Method for detecting electric insulation leakage
JPS51130839A (en) Method for detecting trouble of electric insulation
JPS51133740A (en) Disconnection detection system
JPS5347925A (en) Inverter overvoltage protection system
JPS5246459A (en) Protecting device of neutral conductor grounding detection
JPS5376340A (en) Abnormal current detecting for electrical lines
JPS5333342A (en) Discharge detector for electrical equipment
JPS5226447A (en) Grounding phase deteating apparatus
JPS5262638A (en) Protective device for d.c. transmission system
JPS52153141A (en) Transformer protective relay system