一种小型化脉冲行波管高压电源设计与实现  

Design and implementation of a miniaturized high voltage power supply for pulse traveling wave tube

作　　者：刘银川 高文雷 王桠枫 刘期辉 陈银杏[1] Liu Yinchuan;Gao Wenlei;Wang Yafeng;Liu Qihui;Chen Yinxing(Beijing Vacuum Electronics Research Institute,Beijing 100015,China)

机构地区：[1]北京真空电子技术研究所,北京100015

出　　处：《强激光与粒子束》2024年第2期70-76,共7页High Power Laser and Particle Beams

摘　　要：为满足雷达整机对发射机小型化的需求,针对8~18 GHz宽带脉冲行波管设计了一种小型化高压电源。采用脉冲峰值功率设计方法,结合高压电容储能,实现了行波管在脉冲工作期间高压稳定输出。同时主功率逆变电路采用了移相全桥拓扑结构,高压整流电路采用了碳化硅二极管,这可减轻电源的散热压力,提高高压电源的功率密度。研制的小型化脉冲高压电源,阴极电压-6.5 kV,最大工作脉宽2 ms,峰值功率最大1600 W。与某型号脉冲行波管联调,在脉冲工作期间行波管输出射频信号功率稳定,测试结果验证了该设计方法的可行性。To meet the demand of radar for miniaturization of transmitter,a miniaturized high-voltage power supply is designed for a certain type of TWT.The high voltage power supply adopts a phase shifted full bridge topology structure,and the high voltage rectifier circuit uses SiC diodes to improve the power density of the power supply.The miniaturized pulse high-voltage power supply has been developed,with a cathode voltage of-6.5 kV,a maximum working pulse width of 2 ms,and a peak power of 1600 W.The joint test with traveling-wave tube shows that the output RF power of TWT is stable during pulse operation.The test results verify the feasibility of the design method.

关 键 词：小型化 脉冲高压电源 行波管 碳化硅二极管 微波功率模块 

分 类 号：TN86[电子电信—信息与通信工程]