CURRENT DETERMINATION DEVICE

PROBLEM TO BE SOLVED: To provide a current determination device capable of easily grasping that an interception operation is executed by a breaker owing to a short circuit.SOLUTION: The current determination device 10 to be installed on a DC power feeding system for distributing the DC power supplie...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ASAKURA KAORU, BABASAKI TADATOSHI, TANAKA NORIMITSU, YOSHIZAWA NOBUYUKI, KOZUKA KATSUHIKO, MURAI KENSUKE
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER 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:	PROBLEM TO BE SOLVED: To provide a current determination device capable of easily grasping that an interception operation is executed by a breaker owing to a short circuit.SOLUTION: The current determination device 10 to be installed on a DC power feeding system for distributing the DC power supplied from a DC power source 150 to a plurality of communication devices 160 respectively is provided with: an ammeter 11 for measuring an output of a capacitor; a signal determination device 12 for determining as a capacitor output due to a short circuit accident when an output current value of the capacitor to be measured by the ammeter is beyond a preset setting threshold; and a notification section 13 for notifying a determination result of the signal determination device by lights-out of an LED, whereas the DC power feeding system is provided with a capacitor 120 for stabilizing a power source voltage of the DC power to be supplied to the plurality of communication devices.