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 JP50057317ApriorityCriticalpatent/JPS51133740A/en
Publication of JPS51133740ApublicationCriticalpatent/JPS51133740A/en
PURPOSE: To provide a system, which permits detection of disconnection even in a non-grounded three-phase wiring system through comparison of the zero voltage phase.
COPYRIGHT: (C)1976,JPO&Japio
JP50057317A1975-05-161975-05-16Disconnection detection system
PendingJPS51133740A
(en)