CHARGED STATE MANAGING APPARATUS FOR SECONDARY BATTERY

PROBLEM TO BE SOLVED: To obtain a charged state managing apparatus for second battery in which the charged state of a second battery being charged/discharged repeatedly at ransom can be detected accurately from the terminal voltage thereof. SOLUTION: The charged state managing apparatus for second b...

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Hauptverfasser:	KURISU NORIHITO, HAYASHIDA HIROTAKA, HIDA YOSHIO, SHIGIHARA KENJI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
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creator	KURISU NORIHITO HAYASHIDA HIROTAKA HIDA YOSHIO SHIGIHARA KENJI
description	PROBLEM TO BE SOLVED: To obtain a charged state managing apparatus for second battery in which the charged state of a second battery being charged/discharged repeatedly at ransom can be detected accurately from the terminal voltage thereof. SOLUTION: The charged state managing apparatus for second battery comprises means for detecting the terminal voltage of a second battery, a table storing relationship between the terminal voltage of the second battery and the charged state thereof, and means for storing the maximum charged state of the second battery. A charged state detecting means determines the charged state SOCx based on the terminal voltage at the time of discharge with reference to the table (steps S3, 4). If the charged state SOCx is lower than a minimum charged state SOCmin stored in the memory means (step S5), the charged state SOCx is outputted as a current charged state SOC (step S7) and the minimum charged state SOCmin is updated by the charged state SOC (step S6).
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subjects	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
title	CHARGED STATE MANAGING APPARATUS FOR SECONDARY BATTERY
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