An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control
The modular multilevel matrix converter (M3C) is a promising topology for high-voltage high-power applications. Recent researches have proved its significant advantages for adjustable-speed motor drives compared with the back-to-back modular multilevel converter (MMC). However, the branch energy bal...
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| Format: | Article |
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Institute of Electrical and Electronics Engineers
2017
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| Online Access: | https://eprints.nottingham.ac.uk/48467/ |
| _version_ | 1848797770500014080 |
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| author | Fan, Boran Wang, Kui Wheeler, Patrick Gu, Chunyang Li, Yongdong |
| author_facet | Fan, Boran Wang, Kui Wheeler, Patrick Gu, Chunyang Li, Yongdong |
| author_sort | Fan, Boran |
| building | Nottingham Research Data Repository |
| collection | Online Access |
| description | The modular multilevel matrix converter (M3C) is a promising topology for high-voltage high-power applications. Recent researches have proved its significant advantages for adjustable-speed motor drives compared with the back-to-back modular multilevel converter (MMC). However, the branch energy balancing in the M3C presents great challenge especially at critical-frequency points where the output frequency is close to zero or grid-side frequency. Generally, this balancing control depends on the appropriate injection of inner circulating currents and the common-mode voltage (CMV) whereas their values are hard to determine and optimize. In this paper, an optimization based predictive control method is proposed to calculate the required circulating currents and the CMV. The proposed method features a broad-frequency range balancing of capacitor-voltages and no reactive power in the grid side. For operation at critical-frequency points, there is no increase on branch voltage stresses and limited increase on branch current stresses. A downscaled M3C system with 27 cells is designed and experiment results with the R-L load and induction motor load are presented to verify the proposed control method. |
| first_indexed | 2025-11-14T20:09:09Z |
| format | Article |
| id | nottingham-48467 |
| institution | University of Nottingham Malaysia Campus |
| institution_category | Local University |
| last_indexed | 2025-11-14T20:09:09Z |
| publishDate | 2017 |
| publisher | Institute of Electrical and Electronics Engineers |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | nottingham-484672020-05-04T19:08:17Z https://eprints.nottingham.ac.uk/48467/ An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control Fan, Boran Wang, Kui Wheeler, Patrick Gu, Chunyang Li, Yongdong The modular multilevel matrix converter (M3C) is a promising topology for high-voltage high-power applications. Recent researches have proved its significant advantages for adjustable-speed motor drives compared with the back-to-back modular multilevel converter (MMC). However, the branch energy balancing in the M3C presents great challenge especially at critical-frequency points where the output frequency is close to zero or grid-side frequency. Generally, this balancing control depends on the appropriate injection of inner circulating currents and the common-mode voltage (CMV) whereas their values are hard to determine and optimize. In this paper, an optimization based predictive control method is proposed to calculate the required circulating currents and the CMV. The proposed method features a broad-frequency range balancing of capacitor-voltages and no reactive power in the grid side. For operation at critical-frequency points, there is no increase on branch voltage stresses and limited increase on branch current stresses. A downscaled M3C system with 27 cells is designed and experiment results with the R-L load and induction motor load are presented to verify the proposed control method. Institute of Electrical and Electronics Engineers 2017-09-22 Article PeerReviewed Fan, Boran, Wang, Kui, Wheeler, Patrick, Gu, Chunyang and Li, Yongdong (2017) An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control. IEEE Transactions on Power Electronics, 33 (8). pp. 6608-6621. ISSN 1941-0107 Modular multilevel matrix converter (M3C) triple-star bridge cells (TSBC) converter voltage balancing control low frequency equal frequency medium-voltage high-power ASD. http://ieeexplore.ieee.org/document/8048530/ doi:10.1109/TPEL.2017.2755767 doi:10.1109/TPEL.2017.2755767 |
| spellingShingle | Modular multilevel matrix converter (M3C) triple-star bridge cells (TSBC) converter voltage balancing control low frequency equal frequency medium-voltage high-power ASD. Fan, Boran Wang, Kui Wheeler, Patrick Gu, Chunyang Li, Yongdong An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control |
| title | An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control |
| title_full | An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control |
| title_fullStr | An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control |
| title_full_unstemmed | An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control |
| title_short | An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control |
| title_sort | optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control |
| topic | Modular multilevel matrix converter (M3C) triple-star bridge cells (TSBC) converter voltage balancing control low frequency equal frequency medium-voltage high-power ASD. |
| url | https://eprints.nottingham.ac.uk/48467/ https://eprints.nottingham.ac.uk/48467/ https://eprints.nottingham.ac.uk/48467/ |