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- W4320911825 abstract "DC/DC变换器以其可靠性好、集成度高、体积小、效率高等特点, 在航天工程二次电源系统中得到广泛应用. 但是在DC/DC直流变换过程中容易引入或形成各种干扰噪声, 不仅直接影响供电质量, 而且影响航天器的技术性能及指标. 为解决干扰问题, 提高二次电源的可靠性, 结合航天器实际任务, 讨论分析了DC/DC变换器设计应用中的关键技术, 主要包括软启动设计、滤波设计、EMC设计、可靠性设计、抗辐照设计等. 综合采取上述措施后, 二次电源的可靠性大大提高, 浪涌电流减少至原来的1/20, 输出纹波减少至原来的1/4.通过对二次电源输出电压线的传导发射测试(CE)和二次电源机箱的辐射发射测试(RE), 发现其测量值均低于标准中规定的极限值. 实验结果及工程实际应用结果表明, 所提出的设计方案具有良好的效果." @default.
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- W4320911825 date "2011-01-01" @default.
- W4320911825 modified "2023-09-27" @default.
- W4320911825 title "Application of DC/DC Converter in Secondary Power for Spacecraft" @default.
- W4320911825 doi "https://doi.org/10.11728/cjss2011.06.814" @default.
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