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Analysis and operat...
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Ilves, KalleKTH,Elektrisk energiomvandling,High Power Electronics
(författare)
Analysis and operation of modular multilevel converters with phase-shifted carrier PWM
- Artikel/kapitelEngelska2013
Förlag, utgivningsår, omfång ...
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IEEE,2013
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-134875
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-134875URI
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https://doi.org/10.1109/ECCE.2013.6646728DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:kon swepub-publicationtype
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QC 20140205
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The modular multilevel converter is a suitable topology for high-voltage high-power applications since the cascaded submodules can generate high-voltage waveforms with excellent harmonic performance at low switching frequencies. Many publications have been presented on the modulation and control of this converter type, some of which are based on phase-shifted carrier modulation. This paper presents an analysis of how the switching frequency affects the capacitor voltages, circulating current and alternating voltage at phase-shifted carrier modulation. It is found that integer multiples of the fundamental frequency should be avoided as they can cause the capacitor voltages to diverge. Suitable switching frequencies are then defined for which the arm and line quantities will be periodic and symmetric in the upper and lower arms. The theoretical results are then validated by both simulations and experimental results.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Harnefors, Lennart,1968-KTH,Elektrisk energiomvandling,High Power Electronics(Swepub:kth)u149g11f
(författare)
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Norrga, Staffan,1968-KTH,Elektrisk energiomvandling,High Power Electronics(Swepub:kth)u1sjojho
(författare)
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Nee, Hans-PeterKTH,Elektrisk energiomvandling(Swepub:kth)u1ycw7mc
(författare)
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KTHElektrisk energiomvandling
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013: IEEE, s. 396-4039781479903351
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