大功率高压恒流充电源研制

设计制作了一台大功率高压恒流充电源。该电源采用全桥串联谐振恒流充电拓扑结构,实现了0~30kV范围内输出可调,设计最大平均充电功率5kW。简要分析了电路的工作过程,给出了电路参数设计方法和设计实例,并进行了电路仿真和初步实验研究。实验中,使用该电源对18μF电容实现了30kV,0.1Hz重频充电,充电功率约1.35kW,目前电源已累计充放电万余次,运行稳定可靠。

High power high voltage constant current capacitor charging power supply

A high power high voltage constant current capacitor charging power supply is designed and manufactured. It adopts full-bridge topology with series resonant constant current charging technology and the output voltage is adjustable from 0 to 30 kV, the average power can reach 5 kW at the most. The operating process of the circuit is analyzed briefly. The parameters of the power supply are calculated and a designed example is presented. The simulation and experiments are given and the experimental results are in accordance with the calculation request. In experiment, an 18 F capacitor is charged to 30 kV at 0.1 Hz repetition rate by the power supply, the average power is about 1.35 kW. Now the power supply is experimentally investigated for a capacitor charging and it can work steadily.