Experimental verification of high frequency link DC-AC converter using pulse density modulation at secondary matrix converter
Experimental verification of high frequency link DC-AC converter using pulse density modulation at secondary matrix converter
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在次级矩阵转换器处使用脉冲密度调制的高频链路 DC-AC 转换器的实验验证
DOI：
10.1109/ipec.2014.6869712
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
Hiroki Takahashi
中科院分区：
文献类型：
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作者：
J. Itoh;R. Oshima;Hiroki Takahashi
本文在实验上验证了一种采用单相-三相矩阵变换的隔离式DC-AC功率变换电路。矩阵转换器不需要直流环节中的大电抗器和大的平滑电容。此外，所提出的控制方法通过在一次逆变器上实施移相控制，在二次矩阵变流器上实现脉冲密度调制，从而实现矩阵变流器的零电压开关。本文通过实验演示了该变流器的基本工作原理。从实验结果来看，输出电压的总谐波失真在整个范围内小于5%。当输出功率为1.5kW时，效率最高可达90.9%。
This paper verifies an isolated DC-AC power converter using a single phase to three phase matrix converter in experiment. A matrix converter does not require the large reactors and the large smoothing capacitors in a DC-link part. Furthermore, the proposed control method enables zero voltage switching of the matrix converter by implementing a phase shift control on the primary inverter and a pulse density modulation on the secondary matrix converter. In this paper, the fundamental operation of the converter is demonstrated by the experiment. From the experimental results, the total harmonic distortion in the output voltage is less than 5% in the entire range. In addition, a maximum efficiency of 90.9 % is achieved at an output power of 1.5kW.