Comparative Analysis of Battery Behavior with Different Modes of Discharge for Optimal Capacity Sizing and BMS Operation

Mazhar Abbas, Eung-sang Kim, Seul-ki Kim and Yun-su Kim
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Mazhar Abbas: Energy and Power Conversion Engineering, University of Science and Technology, Daejeon 34113, Korea
Eung-sang Kim: Korea Electrotechnology Research Institute, Changwon 51543, Korea
Seul-ki Kim: Korea Electrotechnology Research Institute, Changwon 51543, Korea
Yun-su Kim: Korea Electrotechnology Research Institute, Changwon 51543, Korea

Energies, 2016, vol. 9, issue 10, 1-19

Abstract: Battery-operated systems are always concerned about the proper management and sizing of a battery. A Traditional Battery Management System (BMS) only includes battery-aware task scheduling based on the discharge characteristics of a whole battery pack and do not take into account the mode of the load being served by the battery. On the other hand, an efficient and intelligent BMS should monitor the battery at a cell level and track the load with significant consideration of the load mode. Depending upon the load modes, the common modes of discharge (MOD) of a battery identified so far are Constant Power Mode (CPM), Constant Current Mode (CCM) and Constant Impedance Mode (CIM). This paper comparatively analyzes the discharging behavior of batteries at an individual cell level for different load modes. The difference in discharging behavior from mode to mode represents the study of the mode-dependent behavior of the battery before its deployment in some application. Based on simulation results, optimal capacity sizing and BMS operation of battery for an assumed situation in a remote microgrid has been proposed.

Keywords: battery-aware; load-aware; battery management system (BMS); modes of discharge; state of health; capacity sizing (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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