DocumentCode :
1920967
Title :
A Modular multilevel converter-based power electronic transformer
Author :
Shojaei, Ali ; Joos, Geza
Author_Institution :
Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, QC, Canada
fYear :
2013
fDate :
15-19 Sept. 2013
Firstpage :
367
Lastpage :
371
Abstract :
A Power Electronic Transformer (PET) performs the tasks of a conventional transformer by means of power electronic converters and medium-frequency transformers. A three-stage PET has high- and low-voltage AC and low-voltage DC output terminals. In this work, employing a Modular Multilevel Converter (MMC) at the first stage of a three-stage topology, a PET configuration is proposed, which not only has the common terminals, but also features a high-voltage DC terminal, enabling interfacing a DC distribution grid. Furthermore, the proposed configuration is readily scalable to high-voltage and power ratings. Besides, in the third stage of the proposed configuration, a simple two-leg inverter is used to supply a split-phase distribution system.
Keywords :
distribution networks; invertors; power convertors; power transformers; DC distribution grid; MMC; high-voltage DC terminal; medium-frequency transformers; modular multilevel converter; power electronic transformer; split-phase distribution system; three-stage PET; three-stage topology; two-leg inverter; Capacitors; HVDC transmission; Positron emission tomography; Power electronics; Power transformers; Topology; Voltage control;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Energy Conversion Congress and Exposition (ECCE), 2013 IEEE
Conference_Location :
Denver, CO
Type :
conf
DOI :
10.1109/ECCE.2013.6646724
Filename :
6646724
Link To Document :
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