Recording of Wednesday, June 19, 2024 | The smarter E Europe | Conference Program | Language: English | Duration: 14:19 .
The associate from Peter Adelmann's team, stepping in for Julius, delves into cell multistaging. The presentation covers the motivation behind this concept and its basic principles. Cell multistaging is an innovative alternative to traditional inverter systems using costly copper coils, leveraging cheaper semiconductors like MOSFETs instead. These components are not only more cost-efficient due to ongoing technological advancements but also require effective management via microcontrollers. In practice, cell multistaging involves arranging cells with MOSFET switches that control charging and discharging processes by connecting or bypassing cells as needed. This method provides flexibility in generating specific voltages required for various applications. Addressing the advantages of this approach over conventional systems, it highlights how the dynamic nature of voltage ranges in batteries can be better managed through multistaging. By adding more cells and utilizing efficient switching circuits controlled by microcontrollers with IO expanders, a stable output can be maintained despite fluctuations in individual cell voltages—an essential feature for reliable power system performance.
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Julius Bäurle
Electrical Engineer in System Development
Institute for Decentralized Electrification, Entrepreneurship & Education GmbH & Co. KG
Germany
While solar modules are getting cheaper, storage is the key factor that determines the cost of the system. Besides new battery technologies, other forms of storage are available.
Further Talks of this session:
Speaker
Prof. Dipl.-Ing. Peter Adelmann
Director
id-eee Institute
Germany
Speaker
Dr. Sylvain Brimaud
Scientist and Team Leader
ZSW (Centre for Solar Energy and Hydrogen Research)
Germany
Speaker
David Gögelein
PhD Student
Technical University of Ulm
Germany