宇航激光电源LCC谐振变换器的拓扑分析

LCC topology resonance analysis for aerospace laser power supply

随着我国空间电源技术的快速发展,宇航高压电源问题也愈发凸显,其中宇航高压充电电源中所存在的高损耗、高电压应力和无法宽范围输出一直激光电源研究中的重点和难点,基于这些问题,提出了一种将LCC谐振拓扑运用于宇航激光高压充电电源的设计方案,针对断续电流下双脉冲工作模式的LCC谐振变换器,采用状态空间法建立等效模型对工作过程进行分析,在对电路稳态分析的基础上,确定LCC谐振腔参数的取值,并建立Matlab闭环仿真模型对设计方案进行验证,论证了该设计方法的可行性。

With the rapid development of the space power supply technology.The problem of space high voltage power supply is becoming more and more prominent.Among them high-loss,high voltage stress and narrow output range of power source in space high voltage charging power supply are the key and difficult point in the research of laser power supply.Based on these questions,a design scheme of LCC topology resonance applied to space laser high voltage charging power supply is presented.The LCC resonant converter is designed for discontinuous current in double pulse operation mode,the equivalent model was established by the state space method,and the working process was analyzed and the detailed parameter derivation process was given.The feasibility of the design method was verified by Matlab simulation.