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Energies 2016, 9(10), 812; doi:10.3390/en9100812

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

1
Energy and Power Conversion Engineering, University of Science and Technology, Daejeon 34113, Korea
2
Korea Electrotechnology Research Institute, Changwon 51543, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Sheng S. Zhang
Received: 25 June 2016 / Revised: 18 September 2016 / Accepted: 30 September 2016 / Published: 12 October 2016

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. View Full-Text
Keywords: battery-aware; load-aware; battery management system (BMS); modes of discharge; state of health; capacity sizing battery-aware; load-aware; battery management system (BMS); modes of discharge; state of health; capacity sizing
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Abbas, M.; Kim, E.-S.; Kim, S.-K.; Kim, Y.-S. Comparative Analysis of Battery Behavior with Different Modes of Discharge for Optimal Capacity Sizing and BMS Operation. Energies 2016, 9, 812.

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