High-voltage (HV) pulses are widely used in many applications. This study proposes a new HV unipolar pulse generator based on Single-Ended Primary-Inductance Converter (SEPIC) for electroporation applications. The converter in the proposed pulse generator operates in discontinuous conduction mode with continuous input current. The proposed structure uses voltage-boosting modules that are fed from a relatively low voltage DC source with a reduced number of semiconductors. The number of semiconductor devices and the voltage stress across them are important issues for HV pulse generators. The proposed approach does not have any chopping switches at the output stage, which greatly affects cost, efficiency, and system control. The employed semiconductor switches and diodes in the proposed topology have low voltage and current stresses, so the structure can be implemented with the market-available semiconductor technology. Mathematical analysis is presented along with a full design of the system components. Finally, simulation and experimental results are presented to validate the proposed concept.

中文翻译：

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基于SEPIC转换器的新型模块化高压脉冲发生器，用于电穿孔应用

高压（HV）脉冲广泛用于许多应用中。这项研究提出了一种基于单端初级电感转换器（SEPIC）的新型HV单极脉冲发生器，用于电穿孔应用。所提出的脉冲发生器中的转换器以连续的输入电流在不连续传导模式下工作。所提出的结构使用升压模块，该升压模块由具有较少数量的半导体的相对低电压的直流电源供电。半导体器件的数量及其两端的电压应力是高压脉冲发生器的重要问题。所提出的方法在输出阶段没有任何斩波开关，这会极大地影响成本，效率和系统控制。拟议的拓扑结构中采用的半导体开关和二极管具有低电压和电流应力，因此，可以使用市场上可买到的半导体技术来实现该结构。给出了数学分析以及系统组件的完整设计。最后，通过仿真和实验结果验证了所提出的概念。