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Open AccessArticle

Battery Management System Hardware Concepts: An Overview

by Markus Lelie 1,2,*,†, Thomas Braun 1,2,†, Marcus Knips 1,2,†, Hannes Nordmann 1,2,†, Florian Ringbeck 1,2,†, Hendrik Zappen 1,2,† and Dirk Uwe Sauer 1,2,3
1
Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, Jaegerstr. 17/19, 52066 Aachen, Germany
2
Jara, Juelich Aachen Research Alliance, Forschungszentrum Juelich GmbH, 52425 Juelich, Germany
3
Institute for Power Generation and Storage Systems, RWTH Aachen University, Mathieustraße 10, 52074 Aachen, Germany
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Appl. Sci. 2018, 8(4), 534; https://doi.org/10.3390/app8040534
Received: 6 February 2018 / Revised: 15 March 2018 / Accepted: 22 March 2018 / Published: 30 March 2018
(This article belongs to the Special Issue Battery Management and State Estimation)
This paper focuses on the hardware aspects of battery management systems (BMS) for electric vehicle and stationary applications. The purpose is giving an overview on existing concepts in state-of-the-art systems and enabling the reader to estimate what has to be considered when designing a BMS for a given application. After a short analysis of general requirements, several possible topologies for battery packs and their consequences for the BMS’ complexity are examined. Four battery packs that were taken from commercially available electric vehicles are shown as examples. Later, implementation aspects regarding measurement of needed physical variables (voltage, current, temperature, etc.) are discussed, as well as balancing issues and strategies. Finally, safety considerations and reliability aspects are investigated. View Full-Text
Keywords: battery management systems; BMS requirements; battery pack topologies; electric vehicles; BMS-ASIC; balancing; insulation measurement battery management systems; BMS requirements; battery pack topologies; electric vehicles; BMS-ASIC; balancing; insulation measurement
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Lelie, M.; Braun, T.; Knips, M.; Nordmann, H.; Ringbeck, F.; Zappen, H.; Sauer, D.U. Battery Management System Hardware Concepts: An Overview. Appl. Sci. 2018, 8, 534.

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