AC/DC/pulsed-power modulator for corona-plasma generation

T.H.P. Ariaans, A.J.M. Pemen, G.J.J. Winands, E.J.M. Heesch, van, Z. Liu

Research output: Contribution to journalArticleAcademicpeer-review

6 Citations (Scopus)
126 Downloads (Pure)


Gas-cleaning techniques using nonthermal plasma are slowly introduced into industry nowadays. In this paper, we present a novel power modulator for the efficient generation of large-volume corona plasma. No expensive high-voltage components are required. Switching is done at an intermediate voltage level of 1 kV with standard thyristors. Detailed investigations on the modulator and a wire-plate corona reactor will be presented. In a systematic way, modulator parameters have been varied. Furthermore, reactor parameters, such as the number of electrodes and the electrode-plate distance, have been varied systematically. The yield of O radicals was determined from the measured ozone concentrations at the exhaust of the reactor.
Original languageEnglish
Pages (from-to)846-851
Number of pages6
JournalIEEE Transactions on Plasma Science
Issue number6, part 1
Publication statusPublished - 2009


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