Recording of Wednesday, June 19, 2024 | The smarter E Europe 2024 | Conference Program | Language: English | Duration: 14:19 .

Cost-Efficient Multistaging with Semiconductors, Highlighting Advantages and Practical Applications

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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Speaker

Julius Bäurle
Electrical Engineer in System Development
Institute for Decentralized Electrification, Entrepreneurship & Education GmbH & Co. KG
Germany

Talk of session: Off-Grid: Storage Systems & Sector Coupling

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:

Welcome and Introduction

Speaker

Prof. Dipl.-Ing. Peter Adelmann
Director
id-eee Institute
Germany

To Talk

Perspective for the Reversible Chemical Storage of Electrical Energy in Zinc-Based Batteries

Speaker

Dr. Sylvain Brimaud
Scientist and Team Leader
ZSW (Centre for Solar Energy and Hydrogen Research)
Germany

To Talk

Energy and Storagemanagement

Speaker

David Gögelein
PhD Student
Technical University of Ulm
Germany

To Talk

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