BATTERY CONTROLLER

A battery controller that controls a battery for supplying power to a load apparatus, includes a current detection unit that detects a discharge current and a charge current of the battery, a malfunction detection unit that detects malfunction of a voltage detector for detecting a voltage of the bat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAGAYA Naoto, KAWANO Shohei, NOBORI Yoshifumi, MURAMATSU Katsuyoshi, KODAMA Atsushi, MIZUI Toshifumi
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A battery controller that controls a battery for supplying power to a load apparatus, includes a current detection unit that detects a discharge current and a charge current of the battery, a malfunction detection unit that detects malfunction of a voltage detector for detecting a voltage of the battery, and a contactor control unit that is provided on a power supply line through which the discharge current and the charge current flow to open/close a contactor. The contactor control unit integrates the charge and discharge current when the malfunction of the voltage detector is detected, calculates an actual charge current amount obtained by subtracting an integrated value of the discharge current from an integrated value of the charge current, and prohibits charging/discharging of the battery by controlling the contactor when the actual charge current amount is equal to or more than a predetermined value.