空间电源系统小信号稳定性研究综述

Review of Research on Small Signal Stability in Space Electrical Power System

在深入阐明空间电源系统组成及其存在的小信号稳定性问题基础上,全面归纳了基于阻抗比分析法和稳定禁区理论的一系列电源系统稳定性判据,总结对比了各判据优缺点并给出使用建议。系统回顾审视了国内外航天机构在空间电源系统稳定性领域的工程实践进展,重点分析了国内在稳定性工程实践和标准制定方面与国外存在的差距,总结提炼出了空间电源系统小信号稳定性研究的现状和发展趋势。着眼我国在研空间站电源系统和论证中的载人登月项目,给出启示与建议。首次较为全面地给出了空间电源系统稳定性领域理论研究、工程应用和标准制定方面的现状,对开展空间电源稳定性相关技术研究和攻关具有重要参考价值。

Focusing on the stability issue of space electrical power system(EPS),the paper clarifies the composition of EPS and its small signal stability issue first.The development of major stability criteria based on impedance ratio analysis and stable forbidden region theory is reviewed.Aiming at applying these criteria on the judging stability in space EPS,the characteristics of criteria are summarized and compared,giving advice on selecting criteria.The review of the practice in small signal stability engineering in space EPS of major aerospace or-ganizations in the world shows that China has a gap with European countries and the U.S.in the stability dynamic design,testing and evaluation as well as related standards.The status and trends of small signal stability issue in space EPS are summarized.Focusing on the stability issues of China′s space station in re-search and production as well as Moon landing project in pre-development,the paper gives suggestions.The small signal stability issue in space EPS is comprehensively reviewed for the first time in the paper,which has reference value for carrying out research on technologies in space EPS stability.