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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 JP4332176ApriorityCriticalpatent/JPS52126734A/en
Publication of JPS52126734ApublicationCriticalpatent/JPS52126734A/en
PURPOSE: To surely achieve a calculation for protection by calculating a sampling value of current and voltage in a system by two operational circuits while varying a constant in a desired expression.