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基于平均建模法并考虑到正极性输出罗(positive output super-lift Luo, POSL Luo)变换器中能量传输电容电压存在突变的事实, 建立了POSL Luo变换器的改进平均模型, 推导并分析了POSL Luo变换器输出电压对占空比的传递函数. 建立了电压控制POSL Luo变换器的输出电压对基准电压的传递函数, 分析了系统的稳定性. 采用PSIM软件进行电路仿真以及设计硬件电路进行电路实验, 以PSIM仿真结果和电路实验结果验证了模型的有效性和理论分析的正确性. 研究结果表明: 相比于POSL Luo变换器已有的平均模型, 采用本文的改进平均模型可有效的分析POSL Luo变换器的特性及电压控制POSL Luo变换器的稳定性.
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[1] Zhou G H, Xu J P, Bao B C, Zhang F, Liu X S 2010 Chin. Phys. Lett. 27 090504
[2] Sha J, Xu J P, Xu L J, Zhong S 2014 Acta Phys. Sin. 63 248401 (in Chinese) [沙金, 许建平, 许丽君, 钟曙 2014 物理学报 63 248401]
[3] Zhao Y B, Zhang D Y, Zhang C J 2007 Chin. Phys. 16 933
[4] Wang X M, Zhang B, Qiu D Y 2011 IEEE Trans. Power Electron. 26 2101
[5] Li G L, Li C Y, Chen X Y, Zhang X W 2013 Acta Phys. Sin. 62 210505 (in Chinese) [李冠林, 李春阳, 陈希有, 张晓伟 2013 物理学报 62 210505]
[6] Axelrod B, Berkovich Y, Ioinovici A 2008 IEEE Trans. Circ. Syst. I 55 687
[7] Ismail E H, Al-Saffar M A, Sabzali A J, Fardoun A A 2008 IEEE Trans. Circ. Syst. I 55 1159
[8] Liu H C, Yang S, Wang G L, Li F 2013 Acta Phys. Sin. 62 150505 (in Chinese) [刘洪臣, 杨爽, 王国立, 李飞 2013 物理学报 62 150505]
[9] Luo F L, Ye H 2003 IEEE Trans. Power Electron. 18 105
[10] Zhu M, Luo F L 2009 J. Power Electron. 9 854
[11] Ramash Kumar K, Jeevananthan S 2011 J. Power Electron. 11 639
[12] Ramash Kumar K, Jeevananthan S 2010 World Acad. Sci. Eng. Technol. 4 623
[13] Baghramian A, Eshyani H G 2013 4m th Power Electronics, Drive Systems & Technologies ConferenceTehran, Iran, February 13-14, 2013 p170
[14] Kumar Ray S, Paul D, Nur T E, Paul K C 2012 Int. J. Innovat. Manage. Technol. 3 146
[15] Shan Z L, Liu S, Luo F L 2012 China International Conference on Electricity Distribution Shanghai, China, September 5-6, 2012 p1
[16] Middlebrook R D, Cuk S 1997 Int. J. Electron. 42 521
[17] Zhang W P 2005 Modeling and Control of Switching Converter (Beijing: Chinese Electric Power Press) p15-125 (in Chinese) [张卫平 2005 开关变换器的建模与控制(北京: 中国电力出版社)第15–125页]
[18] Onoda S, Emadi A 2004 IEEE Trans. Vehic. Technol. 53 390
[19] Powersim Inc. (2010). PSIM User's Guide: Version 9.0, Release 3
[20] Femia N, Fortunato M, Petrone G, Spagnuolo G, Vitelli M 2009 Int. J. Circ. Theor. Appl. 37 661
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