Abstract
This study proposes a model predictive control (MPC) strategy integrated with closed-loop space vector modulation (CL-SVM) for a three-phase, three-level neutral point clamped (3L-NPC) rectifier supplying two alkaline electrolyzers connected in series. Electrolyzers present a nonlinear and dynamically varying load due to their dependence on temperature, pressure, and electrochemical reaction rates, imposing strict requirements on the stability and responsiveness of the power supply. Among, multi-level converter topologies, the 3L-NPC rectifier is a promising candidate for low to medium-voltage, high power applications due to its reduced harmonic distortion, improved high power handling, and balanced trade-off between complexity and performance. However, maintaining DC-link capacitor voltage balance under dynamic loads remains challenging, risking power quality and system reliability. The proposed approach optimizes voltage vector selection to regulate DC output and minimize neutral-point voltage deviation. Simulation results in MATLAB/Simulink confirm the effectiveness of the designed controller in achieving stable DC voltage and a balanced neutral-point voltage, thereby enhancing the overall performance of the power-electronics interface in electrolyzer applications.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the IECON 2025 – 51st Annual Conference of the IEEE Industrial Electronics Society |
| Publisher | IEEE |
| Number of pages | 6 |
| ISBN (Electronic) | 979-8-3315-9681-1 |
| ISBN (Print) | 979-8-3315-9682-8 |
| DOIs | |
| Publication status | Published - 2025 |
| Event | IECON 2025 – 51st Annual Conference of the IEEE Industrial Electronics Society - Madrid, Spain Duration: 14 Oct 2025 → 17 Oct 2025 |
Publication series
| Name | IECON Proceedings (Industrial Electronics Conference) |
|---|---|
| ISSN (Print) | 2162-4704 |
| ISSN (Electronic) | 2577-1647 |
Conference
| Conference | IECON 2025 – 51st Annual Conference of the IEEE Industrial Electronics Society |
|---|---|
| Country/Territory | Spain |
| City | Madrid |
| Period | 14/10/25 → 17/10/25 |
Bibliographical note
Green Open Access added to TU Delft Institutional Repository as part of the Taverne amendment. More information about this copyright law amendment can be found at https://www.openaccess.nl. Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Hydrogen Production
- Model Predictive Control (MPC)
- Neutral Point Clamped (NPC) Rectifier
- Space Vector Modulation (SVM)
- Voltage Balancing
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