一种适用于介质阻挡放电负载的简易型单极性正向脉冲式供电电源

Simple Power Supply with Unipolar Forward Pulse for Dielectric Barrier Discharge Load

针对常用的负载谐振型波形连续式的供电电源无法充分发挥介质阻挡放电负载的性能,以及现有脉冲式供电电源拓扑结构比较复杂的不足,提出了一种由1个功率开关管、2个二极管和1个耦合电感构成的单极性正向脉冲式供电电源。通过对该供电电源工作模态的分析得出,该供电电源不仅能为介质阻挡负载提供快速上升的脉冲电压,而且功率器件工作于软开关状态。仿真和实验结果验证了该供电电源的可行性,所提出的单极性正向脉冲式供电电源对现有的介质阻挡放电负载的供电电源的升级改造有一定的借鉴意义。

Aimed at the problem that the performance of dielectric barrier discharge(DBD)load cannot be fully utilized by the common load resonant-type power supply with continuous waveform and the deficiency that the topologies of existing pulsed power supplies are complicated,a power supply with unipolar forward pulse is proposed in this paper,which consists of one power switch,two diodes and one coupled inductor.Through the analysis of its working modes,it is shown that this power supply can provide a fast-rising pulse voltage for DBD load.In addition,the power switch operates in a soft-switching state.Simulation and experimental results verified the feasibility of the proposed power supply,indicating that it can provide certain reference for the upgrade of the existing power supplies for DBD load.