Abstract
Cold atmospheric plasmas (CAPs) driven by high voltage pulse power supply have various advantages in various applications, such as high reactivity, easy ignition and energy saving, etc. Design specific high voltage pulse power supply powered by renewable energy like photovoltaic cells (PV) could further enhance the application potential of CAPs. Here, a high voltage pulse power supply directly driven by PV was designed and the main parameters of 500Hz to 5kHz frequency, lμs to 10μs pulse width and over 10kV amplitude were obtained in this investigation. We analyzed the design process of the topological structure, which was mainly composed of boost circuit, Marx generator and transformer. The design of the overall topology, the Marx generator, the circuit parameters selection and the auxiliary circuit for IGBT were introduced and discussed in detail. The high voltage pulse power supply was developed and tested with three typical CAPs sources. This designed power supply exhibited excellent working performance with stable output of CAPs load. Further optimization of the power supply was also discussed in the end.
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