Direct earth detector and system connecting generating device using it

A temperature sensor (50) detects temperature on a zero-phase current transformer or ambient temperature in the vicinity of the zero-phase current transformer. A microcomputer (17) corrects the current difference output from the zero-phase current transformer based on the detected temperature. An in...

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Bibliographische Detailangaben
1. Verfasser:	MADEKOJI MASAKI,ONITSUKA KEIGO,MAKINO YASUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
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Beschreibung
Zusammenfassung:	A temperature sensor (50) detects temperature on a zero-phase current transformer or ambient temperature in the vicinity of the zero-phase current transformer. A microcomputer (17) corrects the current difference output from the zero-phase current transformer based on the detected temperature. An independent claim is also included for a system-interconnected generation device.