A three-phase soft-switched isolated AC/DC converter without auxiliary circuit
2004 (English)In: IEEE IND APPLICAT SOC ANN M, 2004, 1768-1775 p.Conference paper (Refereed)
An ac/dc converter topology comprises a voltage source converter (VSC) with capacitive snubbers and a 2-phase by 3-phase cycloconverter, connected by an MF transformer. By alternately commutating the two converters it is possible to achieve soft switching conditions for all of the semiconductor elements. Furthermore, it is shown that resonant commutation of the voltage source converter is possible by utilizing the cycloconverter in order to momentarily short-circuit the transformer terminals. This allows for soft commutation of the VSC down to zero load. Furthermore, the design and operation of a 40 kVA prototype converter system based on the studied concept is described.
Place, publisher, year, edition, pages
2004. 1768-1775 p.
, IEEE INDUSTRY APPLICATIONS SOCIETY ANNUAL MEETING, ISSN 0197-2618
Electrical Engineering, Electronic Engineering, Information Engineering
IdentifiersURN: urn:nbn:se:kth:diva-25268DOI: 10.1109/IAS.2004.1348710ISI: 000225148600261ScopusID: 2-s2.0-10944265776OAI: oai:DiVA.org:kth-25268DiVA: diva2:356882
39th Annual Meeting of the IEEE-Industry-Applications-Society Seattle, WA, OCT 03-07, 2004
QC 20101014. 39th Annual Meeting of the IEEE-Industry-Applications-Society. Seattle, WA. OCT 03-07, 20042010-10-142010-10-142016-06-20Bibliographically approved