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首页> 外文会议>International Conference on Electrical Machines and Systems >Instantaneous voltage vector control and d-axis current reference calculation to improve source current waveform for an electrolytic capacitor-less single-phase to three-phase inverter
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Instantaneous voltage vector control and d-axis current reference calculation to improve source current waveform for an electrolytic capacitor-less single-phase to three-phase inverter

机译：瞬时电压矢量控制和d轴电流参考计算，可改善无电解电容器单相至三相逆变器的源电流波形

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摘要

In an electrolytic capacitor-less single-phase to three-phase inverter, a control bandwidth limitation adversely affects the source current response. Since the inverter does not energy buffer such as an electrolytic capacitor, the spatial harmonics of motor cause the source current harmonics. Moreover, d-axis current reference of the system is obtained by trial and error in off-line. This paper proposes an instantaneous voltage vector control that focuses the relationship of the voltage vector and the average DC-link current to improve the source current waveform. Moreover, d-axis current reference for the system is calculated on the basis of the analysis of the instantaneous voltage vector control. The effectiveness of the proposed method is verified by numerical simulation.
机译：在无电解电容器的单相至三相逆变器中，控制带宽限制会对电源电流响应产生不利影响。由于逆变器没有诸如电解电容器之类的能量缓冲器，因此电动机的空间谐波会引起电源电流谐波。此外，系统的d轴电流参考值是通过离线试验和错误获得的。本文提出了一种瞬时电压矢量控制，它着重于电压矢量和平均直流母线电流之间的关系，以改善源电流波形。此外，在分析瞬时电压矢量控制的基础上，计算出系统的d轴电流参考值。数值仿真验证了该方法的有效性。

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