Consistency Testing of Lead-Carbon Energy Storage Batteries
In this work, a consistency detection method is proposed, to overcome the inconsistencies in the use of large-scale lead-carbon energy storage batteries (LCESBs) and the
Finally, the proposed method is verified by a real case study on a dynamic reconfigurable battery energy storage station utilizing retired EV modules. The results indicate that the proposed method can quantitatively evaluate the consistency levels across different DRBSs and effectively identify those with significant inconsistency. 1. Introduction
Therefore, we propose a novel SOC consistency evaluation method based on dynamic reconfigurable battery system (DRBS). First, fast online OCV estimation can be achieved by the DRBS due to its ability to disconnect modules from the system. Then, coefficient of variation (CV) of OCV is designated as the SOC consistency indicator (CI).
State of charge (SOC) consistency evaluation of traditional BESSs is challenging due to the complex working conditions and the relatively flat OCV-SOC (open circuit voltage-SOC) curve of LiFePO 4 modules. Therefore, we propose a novel SOC consistency evaluation method based on dynamic reconfigurable battery system (DRBS).
A consistency evaluation method is proposed based on open circuit voltage estimation. A coefficient of variation-based method overcomes the plateau of LiFePO 4 modules. A real case study shows that the proposed method can quantify consistency levels.
In this work, a consistency detection method is proposed, to overcome the inconsistencies in the use of large-scale lead-carbon energy storage batteries (LCESBs) and the
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