Lead-Acid Battery System And Lead-Acid Battery Life Estimation Method
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United States of America
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Nov 14, 2024
app pub date -
Jul 24, 2024
filing date -
Jul 24, 2024
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Abstract
Described are a lead-acid battery system and a lead-acid battery life estimation method capable of accurately estimating a remaining life of a lead-acid battery by calculating a capacity turnover value during operation in consideration of the number of equalization charges of the lead-acid battery or an overcharge rate integrated value of the equalization charge of the lead-acid battery. The lead-acid battery system estimates the remaining life of the lead-acid battery by comparing a capacity turnover value from the beginning of life to the end of life with the capacity turnover value during operation. A capacity turnover value calculation unit in the lead-acid battery system calculates the capacity turnover value during operation by using an equalization-charge-number-based correction coefficient KCN calculated based on the number of equalization charges or a charge-rate-based correction coefficient KCP calculated based on the overcharge rate integrated value of the equalization charge.
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