基于高功率重复频率脉冲功率源的需求, 开展了高功率脉冲充电电源的重复频率特性研究, 分析了基于全桥串联谐振充电原理的恒流充电技术。根据高功率Marx型脉冲功率源的工作要求, 计算了串联谐振充电的各个关键参数。研制的紧凑型高功率脉冲充电电源, 最大输出电压±50 kV, 充电电流2.5 A, 重复频率1~50 Hz连续可调, 可在重复频率条件下长时间稳定运行。该充电电源体积小、质量轻、抗干扰能力和抗负载短路能力强, 已经应用于高功率重复频率脉冲功率源技术研究, 实现了10万次重复频率无故障运行。

Based on the need of high power repetitive pulse power source, the repetitive frequency characteristics of high power pulse charging power supply are studied in this paper. The constant current charging technology based on the full bridge series resonant charging principle is analyzed. According to the work requirement of high power Marx type pulse power source, the key parameters of the series resonant charging are calculated. The compact high power pulse charging power supply, with the maximum output voltage ±50 kV, the charging current 2.5 A and the repetition frequency 1-50 Hz, can run stably for a long time under the condition of repetition frequency. The charging power supply has the advantages of small volume, light weight, strong anti-interference ability and strong resistance to short circuit, and has been applied to the research of high power repetitive pulse power source technology, in which it has achieved 100 000 times repetition-frequency operation without fault.