Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/150990
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dc.contributor.authorWang, Jinyuen_US
dc.contributor.authorWang, Pengen_US
dc.date.accessioned2021-06-02T04:25:18Z-
dc.date.available2021-06-02T04:25:18Z-
dc.date.issued2018-
dc.identifier.citationWang, J. & Wang, P. (2018). Decoupled power control for direct-modulation-based modular multilevel converter with improved stability. IEEE Transactions On Industrial Electronics, 66(7), 5264-5274. https://dx.doi.org/10.1109/TIE.2018.2870352en_US
dc.identifier.issn0278-0046en_US
dc.identifier.other0000-0002-1803-0385-
dc.identifier.other0000-0003-1731-2660-
dc.identifier.urihttps://hdl.handle.net/10356/150990-
dc.description.abstractDirect modulation principle is widely used in modular multilevel converters (MMCs) for its simplicity and natural stability. However, it results in strong active and reactive power coupling. This paper carefully analyzes and identifies four power coupling paths and two power influence factors with the direct modulation principle. Full power decoupling of the MMC can be realized by cutting off the derived coupling paths and compensating the influence factors. However, this will further deteriorate the already poor damping of the MMC and significantly increase dc-bus current fluctuations. To solve this problem, the sources resulting in poor damping are identified and then a new closed-loop dc-bus current controller is incorporated into the control system. Finally, the proposed power decoupling strategy with the newly designed current controller realizes completely decoupled power regulation, avoids overload operation, and obviously improves the dynamic performance of the MMC. Furthermore, it increases the stability of the MMC system under all possible operation conditions. The proposed control strategy is confirmed by experimental results.en_US
dc.language.isoenen_US
dc.relation.ispartofIEEE Transactions on Industrial Electronicsen_US
dc.rights© 2018 IEEE. All rights reserved.en_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleDecoupled power control for direct-modulation-based modular multilevel converter with improved stabilityen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.identifier.doi10.1109/TIE.2018.2870352-
dc.identifier.scopus2-s2.0-85054288894-
dc.identifier.issue7en_US
dc.identifier.volume66en_US
dc.identifier.spage5264en_US
dc.identifier.epage5274en_US
dc.subject.keywordsHigh-voltage Direct Current (HVDC) Transmissionen_US
dc.subject.keywordsModular Multilevel Converter (MMC)en_US
item.fulltextNo Fulltext-
item.grantfulltextnone-
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