基于AC-link的并联谐振高压电源的控制方法

发布时间：2018-03-26 16:22

本文选题：高频交流链接　切入点：并联谐振　出处：《电源技术》2014年12期

【摘要】：介绍了一种基于AC-link技术的并联谐振高压电源的拓扑电路,该结构结合准谐振的工作模式能够实现高功率因数和高效率;采用了基于状态平面图对并联谐振电路的分析方法,该方法相比传统的基波等效分析法具有求解简单、直观、精确和负载适用范围大的特点,并给出了相应推导过程;给出了输出电压为25 k V,电流为1 A的变换器的分析和谐振参数设计。最后进行了仿真,仿真结果表明,基于高频交流链接并联谐振拓扑和基于状态平面图法的控制能够稳定输出电压(1%),实现零电流开关,三相输入电流谐波较低(THD12.5%)与三相电压基本同相位,功率因数为0.99。
[Abstract]:This paper introduces a kind of topology circuit of parallel resonant high voltage power supply based on AC-link technology. This structure can realize high power factor and high efficiency combined with quasi resonant mode, and the analysis method of parallel resonant circuit based on state plane diagram is adopted. Compared with the traditional fundamental wave equivalent analysis method, this method has the advantages of simple, intuitive, accurate and wide applicable range of load, and the corresponding derivation process is given. The analysis and resonant parameter design of the converter with an output voltage of 25 kV and a current of 1 A are given. Finally, the simulation results show that, The parallel resonant topology based on high frequency AC link and the control based on the state plan method can stabilize the output voltage and realize the zero current switch. The three-phase input current harmonics are lower and THD 12.5) and the power factor is 0.99.
【作者单位】：西南交通大学物理科学与技术学院;
【基金】：中央高校基本科研业务费专项资金资助项目(SWJTU11CX077),(SWJTU12CX086),(SWJTU12ZT10)
【分类号】：TN86

【相似文献】