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.)
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 LtdfiledCriticalHitachi Ltd
Priority to JP9758175ApriorityCriticalpatent/JPS5221637A/en
Publication of JPS5221637ApublicationCriticalpatent/JPS5221637A/en
PURPOSE: An indicator being possible to detect the impedance and phase of an electric power system immediately, to analyse the trouble and to supervise the system.
COPYRIGHT: (C)1977,JPO&Japio
JP9758175A1975-08-131975-08-13Impedance locus indicator for power system
PendingJPS5221637A
(en)