Low Power and High Positive Voltage Beam Supply of Ion Thruster

被引：0
|
作者：
Cai J.-L. [1 ]
Duan Y.-H. [1 ]
Mu Z.-B. [1 ]
Wang X.-Z. [1 ]
机构：
[1] Shanghai Institute of Space Power-Sources, Shanghai
来源：
Tuijin Jishu/Journal of Propulsion Technology | 2022年 / 43卷 / 07期
关键词：
Buck converter; Full bridge LLC resonant circuit; Full wave rectifier; Ion thruster; Low power and high positive voltage beam supply;
D O I：
10.13675/j.cnki.tjjs.200962
中图分类号：
学科分类号：
摘要：
To design the low power and high positive voltage beam supply applied to low power ion thruster，a two-level topology was proposed. The first level was composed by Buck converter and the second level was composed by full bridge LLC resonant circuit and full wave rectifier. Base on this topology，the control circuit was designed and the experiments were carried out. The experimental results show that when the input voltage is 42V，the load resistor is 12.52kΩ，the output voltage and power of the designed beam supply is 1050V and 88W. Also，the error range of output voltage is in 2% and the efficiency of beam supply is 90.44%. For the output voltage short circuit and adding or subtracting load，the beam supply has the ability of recovery. This study can prove the feasibility of the two-level topology and provide a method to design low power and high positive voltage beam supply. Also，it promotes the development of low power ion thruster. © 2022 Journal of Propulsion Technology. All rights reserved.
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