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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Application filed by Mitsubishi Electric CorpfiledCriticalMitsubishi Electric Corp
Priority to JP1006477ApriorityCriticalpatent/JPS5394896A/en
Publication of JPS5394896ApublicationCriticalpatent/JPS5394896A/en
PURPOSE: To ensure a simple, quick and accurate detection for the fault, by having a comparison between the waveheight of the envelope curve detected from the physical phenomenon and the regulations of the repetitive time duration based on the preset value.