| 测试设备中开关功率变换器工作稳定性研究 |
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| 引用本文： | 江伟,周宇飞,陈军宁.测试设备中开关功率变换器工作稳定性研究[J].电子测量与仪器学报,2011,25(1):68-74. |
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| 作者姓名： | 江伟 周宇飞 陈军宁 |
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| 作者单位： | 安徽大学电子信息工程学院;东华理工大学机械与电子工程学院; |
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| 基金项目： | 国家自然科学基金(编号:61071023,60672023)资助项目 |
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| 摘 要： | 为提高测试设备中开关功率变换器的工作稳定性,以电压模式控制的Buck变换器为研究对象,分析了该变换器的工作过程,建立了相应的数学模型,并对该模型进行数值仿真,发现该变换器存在复杂的动力学行为,导致系统工作的不稳定性.理论分析得出不稳定现象的本质原因,通过电路实验来验证这种现象的真实性.数值仿真,理论分析,实验验证一致表...
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| 关 键 词： | Buck变换器 建模 仿真 理论分析 实验 |
Study of working stability of switching power converters in test equipments |
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| Jiang Wei,Zhou Yufei,Chen Junning.Study of working stability of switching power converters in test equipments[J].Journal of Electronic Measurement and Instrument,2011,25(1):68-74. |
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| Authors: | Jiang Wei Zhou Yufei Chen Junning |
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| Affiliation: | Jiang Wei1,2 Zhou Yufei1 Chen Junning1(1.School of Electronics and Information Engineering,Anhui University,Hefei 230039,China,2.School of Mechanics and Electronics Engineering,East China Institute of Technology,Fuzhou 344000,China) |
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| Abstract: | The voltage mode control Buck converter is studied in order to improve the operation stability of switching power converter in test equipment.The work process of the converter is analyzed,the corresponding mathematical model is built up,and the model is simulated.As a result,it can find there is complex dynamic behavior in the converter and lead to unstable work in the system.The essence reason for the instability is got by theoretical analysis,and the authenticity of this phenomenon is verified by circuit ... |
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| Keywords: | Buck converter modeling numerical simulation theoretical analysis experiment |
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