全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

漏感对非隔离高效推挽变换器的影响

, PP. 46-53

Keywords: 非隔离,推挽变换器,漏感,尖峰电流,采样误差率

Full-Text   Cite this paper   Add to My Lib

Abstract:

非隔离高效推挽变换器因其具有效率高、控制系统易于设计以及输入输出电流连续等优势,而广泛应用于航天场合。漏感的存在增加了非隔离高效推挽变换器的工作模态,对其稳态性能产生影响,具体体现为低纹波侧电流存在尖峰。根据尖峰特性的不同将所有拓扑分成三类,并选择三种具有代表性的拓扑分析漏感的影响。为避免输出电流尖峰对于电流采样的影响,需采用等效电流采样法,但该方法会引起采样误差,并对遥测精度造成较大影响。因此本文对采样误差进行分析,掌握其规律。通过本文研究得到的规律可对遥测值进行补偿,提高遥测精度。最后根据理论分析和实验结果比较三种拓扑的电流采样误差率,证明理论分析的正确性。

References

[1]  Nicolas N, Didier L, Peter A, et al. A new modular and flexible power system for LEO missions[C]. Proceedings of 9th European Space Power Conference, 2011: SP-690.
[2]  Morsaniga P, Gervasio G, Cuzzocrea G. Bepicolombo electrical power system[C]. Proceedings of 9th European Space Power Conference, 2011: SP-690.
[3]  Dan O. Lessons learnt in-flight-the STRV micro- satellite power system[C]. Proceedings of 4th European Space Power Conference, 1995: 257-261.
[4]  Sullivan D O. Space power electronics-design drivers[J]. Ecological Society of America, 1994, 1: 18.
[5]  Wolfgang D, Willi D. Generic 100V/high power bus conditioning[C]. Proceedings of 7th European Space Power Conference, 2005: SP-589.
[6]  Soubrier L, Trehet E. High power PCU for alphabus: PSR100V[C]. Proceedings of 9th European Space Power Conference, 2011: SP-690.
[7]  Soubrier L, B Patrick. High performance BDR for the PCU of alphabus[C]. Proceedings of 8th European Space Power Conference, 2008: SP-661.
[8]  Maset E, Sanchis Kilders E, Weinberg A H, et al. Ion drive propulsion MPP power conditioning system without battery[C]. Proceedings of 8th European Space Power Conference, 2008: SP-661.
[9]  Maset E, Ferrers A. 5kW Weinberg converter for battery discharging in high-power communications satellites[C]. Proceedings of IEEE Power Electronics Specialist Conference, 2005: 69-75.
[10]  Weinberg A H, P Rueda Boldo. A high power, high frequency, DC to DC converter for space applications [C]. Proceedings of IEEE Power Electronics Specialist Conference, 1992: 1140-1147.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133