航天器大功率直流电源数字均流方法  

样Digital Sharing Method For Spacecraft High-power DC Power Supply

作　　者：杜璞玉 陈卓 高飞 王剑 瞿浩 DU Puyu;CHEN Zhuo;GAO Fei;WANG Jian;QU Hao(Shanghai Aerospace Electronic Technology Institute,Shanghai 201109,China;Department of Computer Science and Engineering,Shanghai Jiao Tong University,Shanghai 200240,China)

机构地区：[1]上海航天电子技术研究所,上海201109 [2]上海交通大学计算机科学与工程系,上海200240

出　　处：《计算机测量与控制》2024年第6期319-325,共7页Computer Measurement &Control

摘　　要：针对航天器大功率直流电源系统电源模块的均流问题,提出了直流电源系统数字均流方法;该方法以供配电主控软件为均流核心,将各直流电源模块进行并联输出,通过以太网与各直流电源模块进行数据交互,采集各直流电源输出电流,通过均流算法调节直流电源输出电压,以达到电源均流的目的,此方法在现有直流电源的基础上,设计了大功率直流电源并联硬件电路,包含输入控制单元、远端补偿电路和输出控制单元,软件上设计供配电主控软件,包含均流控制功能、供配电流程功能和电源模块监控功能;通过实际硬件环境试验表明,该方法均流精度高、响应速度快、故障控制能力强,在航天电源领域具备较高的实用价值。To address the current sharing problem of power modules in spacecraft high-power digital current(DC)power supply systems,a digital current sharing method for DC power supply system is proposed.The main control software of power supply is taken as the current sharing core to output each DC power module in parallel,exchange the data with various DC power module through Ethernet,and collect the output current of each DC power supply.The output voltage of the DC power supply is adjusted through the current sharing algorithm to achieve the goal of power supply current sharing.Based on existing DC power supply,a high-power DC power supply parallel hardware circuit is designed,it includes the input control unit,remote compensation circuit,and output control unit.In the software of the system,the power supply and distribution main control software is designed,including the current sharing control function,power supply and distribution process function,and power module monitoring function.Through actual hardware environment experiments,the results show that this method has high current sharing accuracy,fast response speed,and strong fault control ability,and it has a high practical value in the field of aerospace power supply.

关 键 词：直流电源 数字均流 航天器 大功率 电流采样 

分 类 号：V475.1[航空宇航科学与技术—飞行器设计]