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A prototype of pulse-width-modulated plasma sound source with four independent outputs has been designed and tested, in which the main circuit includes a switched DC source for realizing effective capacitor charging and four independent discharging units for pulse forming. Each two outputs are isolated by high voltage diodes connected both at the two terminals of energy storage capacitors. The maximum...
The paper gives a description and key design features for the EAST power supply system consisting of superconducting coil power supply, inner vessel coil power supply, and additional heating power supply including microwave power supplies and neutral beam injection power supply. These power supplies are all realized by AC/DC converter, H Bridge and IGBT chopper.
In this study, a large gap of the distance between electrodes (>5.5 mm) of Ar atmospheric pressure glow discharge (APGD) in radio frequency dielectric barrier discharges (RF-DBD) is achieved. The I-V characteristic and I-phase angle characteristic of RF-DBD are studied in detail. The discharge characteristic of Ar mixed with N2, O2 and air, respectively, was diagnosed by the optical emission spectrum...
Summary form only given. Current pulsed plasma research at TU/e Eindhoven, Department of Electrical Engineering, focuses on the integration of pulsed power technology into processes of multidisciplinary character. Examples of such processes are sustainable energy generation, chemical processing, and plasmas in super critical media. The research area concerns three interrelated systems: power modulator...
In this paper, the matching between the a pulsed power modulator and a corona plasma reactor is discussed. The matching is expressed as the energy transfer efficiency between the modulator and the reactor. The criterion for optimal matching between a source and a load is that the output impedance of the source is equal to the load impedance. When trying to match a pulsed power modulator to a plasma...
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