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Fuji Electric Co Ltd
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Fuji Electric Co Ltd
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Application filed by Fuji Electric Co LtdfiledCriticalFuji Electric Co Ltd
Priority to JP15525676ApriorityCriticalpatent/JPS5379578A/en
Publication of JPS5379578ApublicationCriticalpatent/JPS5379578A/en
PURPOSE: To make possible the measurement of insulation resistance in a live state even for power lines of a large floating capacity by connecting an auxiliary d.c. power source to a ground line and detecting the current flowing in this.