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Content Provider | IET Digital Library |
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Author | Kim, Dongwan Lee, Jinkyu |
Abstract | To manage thousands of battery cells effectively, a reconfigurable battery system has emerged where each battery cell is equipped with a set of switches for controlling connectivity (i.e. series, parallel, bypass or combinations thereof). While most studies have focused on maximising operation-time or life-time of a reconfigurable battery system, few studies have addressed how to quickly balance voltage of cells, which affects both efficiency and safety of a battery system. A new discharge scheduling policy for battery cell voltage balancing for a reconfigurable battery system is proposed. Based on the analysis why existing naive approaches are not effective for voltage balancing, a new approach consisting of three steps is designed: determination of a set of battery cells to be discharged, calculation of a target voltage, and distribution of the system load to each battery. The present simulation results show that the proposed approach outperforms three alternative ones up to 45.6% in terms of voltage balancing. |
Starting Page | 496 |
Ending Page | 498 |
Page Count | 3 |
ISSN | 00135194 |
Volume Number | 53 |
e-ISSN | 1350911X |
Issue Number | Issue 7, Mar (2017) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/53/7 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2016.4625 |
Journal | Electronics Letters |
Publisher Date | 2017-03-02 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Battery Cell Management Battery Management System Battery System Efficiency Battery System Safety Connectivity Control Discharge Scheduling Life Testing Life-time Maximisation Operation-time Maximisation Reconfigurable Battery System Scheduling Secondary Cell Switched Mode Converter System Load Distribution Voltage Balancing |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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