PARALLEL BATTERY SYSTEM AND METHOD OF PREDICTING REMAINING CHARGE TIME THEREOF

WIPO Patent Application WO/2023/068569

A1

The present invention relates to a parallel battery system and a method for predicting the remaining charging time thereof, in which, in prediction of a remaining time for charging multiple battery packs connected in parallel to a final target SOC, a BMS estimates SOCs of the respective multiple battery packs and assigns ordering numbers in ascending order of the SOCs, determines, from among the multiple battery packs, a connected pack group including n (n is a natural number) battery packs which are connected to a charging device due to a relay being closed and a use pack group including m (m is a natural number) battery packs which are not connected to the charging device due to the relay being open, predicts a first remaining charging time required for a battery pack having the largest ordering number from among the n battery packs to reach the final target SOC, calculates a second remaining charging time by adding m remaining charging times predicted for the respective m battery packs, and predicts a final remaining charging time by adding the first remaining charging time and the second remaining charging time.

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WO/2022/139143	BATTERY MANAGEMENT DEVICE AND METHOD

KO YOUNGJUN (KR)
JANG JIHOON (KR)

PCT/KR2022/014182

April 27, 2023

September 22, 2022

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LG ENERGY SOLUTION LTD (KR)

G01R31/367; G01R31/36; G01R31/3842; G01R31/396

JP2020036393A	2020-03-05
JP3692617B2	2005-09-07
JP5979235B2	2016-08-24
KR20190083897A	2019-07-15
KR20200025495A	2020-03-10

YOU ME PATENT AND LAW FIRM (KR)

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