Abstract
In this article, a new high-voltage and high-frequency power supply for ozone generation is introduced. This circuit uses a single switch and works in the resonant mode with the help of transformer magnetizing and leakage inductances (without adding a distinct resonant inductor), a separate resonant capacitor, and a step-up transformer to generate high voltage output. The simulation results demonstrate that with a 250-V dc input, a 7.9-kV pulse with 1.66 μs pulse-width is generated at the output. A hardware prototype with 250-V dc input and 7.3-kV output pulse is developed. The pulse repetition frequency can go up to 15 kHz, and the efficiency of 84% is achieved. The simulation, experimental, and microbiological test results are presented to validate the proposed converter and its operating principle.
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