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Analysis and criterion for inherent balance capability in modular multilevel DC-AC-DC converters
| File | Description | Size | Format | |
|---|---|---|---|---|
 Final Version.pdf | Accepted version | 676.26 kB | Adobe PDF | View/Open |
| Title: | Analysis and criterion for inherent balance capability in modular multilevel DC-AC-DC converters |
| Authors: | Xiang, X Qiao, Y Gu, Y Zhang, X Green, T |
| Item Type: | Journal Article |
| Abstract: | Modular multilevel dc-ac-dc converters (MMDAC) have emergedrecently for high step-ratio connectionsin medium voltage distribution systems.Extended phase-shiftmodulation has been proposed and was found to create the opportunity for inherent balance of SM capacitor voltages. This letter presents fundamentalanalysis leading toclear criterion for the inherent balancecapability in MMDAC. A sufficient and necessary condition,with associated assumptions,to guarantee this capability isestablished. Using the mathematics of circulant matrices, this condition is simplified to a co-prime criterion which gives rise to practical guidance for the design of an MMDAC. Experimentson down-scaled prototypesand simulations on full-scale examples both provide verification of the analysis and criterion for the inherent balance capability of MMDAC. |
| Issue Date: | Jan-2020 |
| Date of Acceptance: | 14-Nov-2019 |
| URI: | http://hdl.handle.net/10044/1/75253 |
| DOI: | 10.1109/TPEL.2019.2954304 |
| ISSN: | 0885-8993 |
| Publisher: | Institute of Electrical and Electronics Engineers |
| Start Page: | 5573 |
| End Page: | 5580 |
| Journal / Book Title: | IEEE Transactions on Power Electronics |
| Volume: | 35 |
| Issue: | 6 |
| Copyright Statement: | © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. |
| Keywords: | 0906 Electrical and Electronic Engineering Electrical & Electronic Engineering |
| Publication Status: | Published online |
| Online Publication Date: | 2019-11-19 |
| Appears in Collections: | Electrical and Electronic Engineering Department of Infectious Diseases Faculty of Engineering |