NDLI: Investigation of Operational Regimes of a High-Power Pulsed Corona Source with an All-solid State Pulser

Content Provider	IEEE Xplore Digital Library
Author	Pokryvailo, A. Wolf, M. Yankelevich, Y.
Copyright Year	1994
Abstract	This paper reports the ongoing effort on development of efficient, compact pulsed corona sources for pollution control applications. The system comprises an all-solid 4 kW average-power nanosecond pulser and a plasma reactor. The pulser is based on a single-stage magnetic compressor generating _~50 kV, 1-5 J and 50-100 ns pulses across a multi-wire reactor having an impedance of approximately 100 Omega, at pulse repetition frequency of up to 1 kHz. The principle of operation of the compressor is described. Equivalent circuits for two consecutive operation stages of the compressor accounting for nonlinear processes in magnetic switches are presented and analyzed. It was found that for the given topology, the optimal ratio of the primary and secondary capacitances is less than "classical" unity value that is characteristic for most magnetic compression systems. The freewheeling diode was constructed from UX-FOB diodes chosen on the basis of the comparison of forward losses of several fast recovery diodes at pulsed conditions. Electrostatic analysis of a complex reactor structure was reduced to a simple problem of coaxial electrodes. This allowed for the implementation of a simplified corona model integrated into a PSpice simulation. The simulated waveforms bear close resemblance to their experimental counterparts. It was found that the reactor breakdown voltage decreased considerably with the increase of the pulse repetition frequency. In several cases, the latter effect was clearly associated with ozone build-up.
Sponsorship	National Natural Science Foundation of China (NSFC) Region Centre Ville de Tours Conseil General D'Indre et Loire ABB IEEE Sandia National Laboratories TOSHIBA
File Size	1035719
File Format	PDF
ISSN	10709878
Volume Number	14
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Corona Inductors Pulse compression methods Diodes Frequency Pollution control Plasma applications Plasma sources Pulse generation Impedance
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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