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.)
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.)
Meidensha Electric Manufacturing Co Ltd
Tokyo Electric Power Company Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Meidensha Electric Manufacturing 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 Tokyo Electric Power Co Inc, Meidensha Electric Manufacturing Co LtdfiledCriticalTokyo Electric Power Co Inc
Priority to JP2306277ApriorityCriticalpatent/JPS53107644A/en
Publication of JPS53107644ApublicationCriticalpatent/JPS53107644A/en
PURPOSE: To perform highly accurate opertion by compensating changing current on the basis of mode current and voltage signals from one and the other terminals thereby making movement during sound transmission zero.
COPYRIGHT: (C)1978,JPO&Japio
JP2306277A1977-03-031977-03-03Differential current protective relaying system
PendingJPS53107644A
(en)