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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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Filing date
Publication date
Application filed by Mitsubishi Electric CorpfiledCriticalMitsubishi Electric Corp
Priority to JP901276ApriorityCriticalpatent/JPS5292343A/en
Publication of JPS5292343ApublicationCriticalpatent/JPS5292343A/en
PURPOSE: To obtain a checking device for a protective relay for protecting a power transmission system capable of exactly tripping only one power transmission line in the event a fialure may be caused during the checking operation.
COPYRIGHT: (C)1977,JPO&Japio
JP901276A1976-01-301976-01-30Checking device for protective relay
PendingJPS5292343A
(en)