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Abstract
This paper proposes an enhanced finite control set model predictive control (FCS-MPC) strategy for voltage source converter (VSC) with a LC output filter. The proposed control scheme is based on tracking the voltage reference trajectory by using only a single-step prediction within the controller horizon. Besides, the suitability of different frequency control schemes with the proposed scheme to prevent from inherent variable switching behaviour of conventional FCS-MPC is investigated. Based on that, the proposed method targets two major factors influencing power quality in grid forming applications by enhancing the output voltage harmonic distortion and also preventing variable switching behaviour of FCS-MPC. Although compared to multi-step prediction approaches, only a single-step multi-objective cost function to improve computation efficiency is utilized, the introduced control schemes are able to deliver higher power quality compared to its counterpart methods as well. Furthermore, the effect of different applied cost functions on the transient response of the system is studied and investigated for the future use of the VSC in microgrids (MGs). The effectiveness of the proposed scheme was assessed by simulation using MATLAB/SIMULINK and experiment using a 5.5 kVA VSC module and the results were in good agreement.
Original language | English |
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Article number | 6390 |
Journal | Applied Sciences |
Volume | 10 |
Issue number | 18 |
Number of pages | 25 |
ISSN | 2076-3417 |
DOIs | |
Publication status | Published - Sept 2020 |
Keywords
- Finite control set (FCS)
- grid-forming converters
- model predictive control (MPC)
- cost 28 function (CF)
- power quality
- MicroGrid (MG)
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Dive into the research topics of 'Model Predictive Control of Grid Forming Converters with Enhanced Power Quality'. Together they form a unique fingerprint.Projects
- 2 Finished
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REPEPS: REliable Power Electronic based Power System
Blaabjerg, F., Iannuzzo, F., Davari, P., Wang, H., Wang, X. & Yang, Y.
01/08/2017 → 01/12/2023
Project: Research
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Improvement of Transient Power Sharing Performance in Parallel Converter System and Microgrids
Alhasheem, M. A. M. Z. Y. & Davari, P.
01/11/2016 → 01/12/2019
Project: PhD Project