Abstract
In various power electronic converters bulky capacitors are used as passive energy buffers on the dc bus. In order to reduce the capacitance, some solutions have been proposed to replace these with active energy buffering circuits. These active buffering circuits, or active dc-links, are nonlinear systems. This poses a challenge in applications which must buffer highly transient currents composed of many different frequencies. This paper presents a nonlinear model predictive (NMPC) control scheme that makes use of state and disturbance predictions to accurately control an active dc-link system to provide better buffering capability and provide integrated constraint handling. Simulation of the NMPC control scheme and active dc-link system show the effectiveness of the control scheme and some potential for further capacitance reduction.
| Original language | English |
|---|---|
| Title of host publication | 2025 IEEE Conference on Control Technology and Applications , CCTA 2025 |
| Editors | Christopher Vermillion, Sorin Olaru, Johanna Mathieu, Mehmet Mercangoz, Stephanie Stockar, Alireza Karimi, Timm Faulwasser, Eric Kerrigan, Rolf Fineisen, Sebastien Gros, Ionela Prodan, Christopher Edwards, Fabrizio Dabbene, Airlie Chapman, Behrouz Touri |
| Publisher | Institute of Electrical and Electronics Engineers |
| Pages | 439-444 |
| Number of pages | 6 |
| ISBN (Electronic) | 979-8-3315-3908-5 |
| DOIs | |
| Publication status | Published - 11 Sept 2025 |
| Event | 9th IEEE Conference on Control Technology and Applications, CCTA 2025 - San Diego, United States Duration: 25 Aug 2025 → 27 Aug 2025 Conference number: 9 |
Conference
| Conference | 9th IEEE Conference on Control Technology and Applications, CCTA 2025 |
|---|---|
| Abbreviated title | CCTA 2025 |
| Country/Territory | United States |
| City | San Diego |
| Period | 25/08/25 → 27/08/25 |
Funding
This project is supported and financed by Hitachi Energy Ltd. and co-financed by Holland High Tech with PPP-allowance for research and development in the HTSM top sector.
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