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.)
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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP10486176ApriorityCriticalpatent/JPS5330751A/en
Publication of JPS5330751ApublicationCriticalpatent/JPS5330751A/en
PURPOSE: To make a detection correctly and in a moment without a time delay for those faults, if taking place, like earth fault in the neutral line of DC power transmission line system.
COPYRIGHT: (C)1978,JPO&Japio
JP10486176A1976-09-031976-09-03Fault detector for dc transmission line
PendingJPS5330751A
(en)