Adaptive Modularity for Power Electronics Based Electrolysis Systems for Green Hydrogen

Conference paper (2022)

Authors

R.S. Deshmukh DC systems, Energy conversion & Storage - EEMCS
A. Shekhar DC systems, Energy conversion & Storage - EEMCS
P. Bauer DC systems, Energy conversion & Storage - EEMCS
Research Group
DC systems, Energy conversion & Storage (EEMCS) (TU Delft)
Copyright: © 2022 R.S. Deshmukh, A. Shekhar, P. Bauer
DOI: https://doi.org/10.1109/PEMC51159.2022.9962941
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Published Date

2022

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

DC systems, Energy conversion & Storage

Abstract

Electrolysis holds tremendous potential in reducing the carbon footprint and providing energy dense fuels such as methane. Such systems can be integrated with renewable energy systems with the aid of power electronics interfaces. However, this integration is not straight-forward and imposes various converter design challenges. This paper presents the current state-of-the-art electrolyzer systems, and a simple model of an alkaline regenerative stack with four degrees of freedom. To gain insights with regards to limitations/trade-offs, a sensitivity analysis is conducted on this model. Based on these insights, the challenges associated with power electronics converter design for this application have been discussed along with the trade-offs associated with the electrolyser system. Furthermore, the concept of adaptive modularity for efficiency and reliability improvement has been discussed.

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