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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Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP779077ApriorityCriticalpatent/JPS5394173A/en
Publication of JPS5394173ApublicationCriticalpatent/JPS5394173A/en
PURPOSE: To ensure an assured protection of gate-off SCR from being broken trhough a simple constitution, by detecting the voltage or current of the load side when a failure such as the load short circuit, etc. takes place at the output side.