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 JP9090876ApriorityCriticalpatent/JPS5316841A/en
Publication of JPS5316841ApublicationCriticalpatent/JPS5316841A/en
PURPOSE: To perfrom stepout protection by detecting zero point of voltage waveform thereby detecting voltage phase difference and passing a plurality of them through the region in multiple divided phase plane.
COPYRIGHT: (C)1978,JPO&Japio
JP9090876A1976-07-301976-07-30Stepout detection anx protection method for power system
PendingJPS5316841A
(en)