电池(电)
变化(天文学)
计算机科学
电压
电池组
系列(地层学)
电气工程
工程类
物理
生物
功率(物理)
量子力学
古生物学
天体物理学
作者
Seung‐Woo Kim,Pyeong‐Yeon Lee,Jonghoon Kim,Wooyong Kim
标识
DOI:10.23919/icpe2019-ecceasia42246.2019.8797069
摘要
This paper presents the effect of the internal parameter for the number of the parallel of battery packs. Battery packs are consisted of high-power INR-18650 25R cells. Internal parameters are extracted by discharge capacity experiments and open circuit voltage (OCV) - hybrid pulse power characterization (HPPC) experiments, which are electrical characteristics experiments. Internal parameters such as OCV, voltage deviation, temperature and internal parameters are compared according to parallel connection. This paper proposes a series/parallel-equivalent circuit model made by cell extension and compares the actual battery pack model with the extended battery pack model at a cell. A comparison of the actual battery pack and extended cell model shows analysis of changes in the parallel connection of the battery pack correlated with the safety of battery packs.
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