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An active power filter based on a three-level inverter and 3D-SVPWM for selective harmonic and reactive compensation

机译：基于三电平逆变器和3D-SVPWM的有源功率滤波器，用于选择性谐波和无功补偿

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摘要

Active Power Filters (APFs) have been used for reducing waveform distortion and improving power quality. However, this function can be improved by means of a selective harmonic compensation. Since an APF has rating restrictions, it is convenient to have the option of selecting an individual or a set of particular harmonics in order to compensate and apply the total APF capabilities to eliminate these harmonics, in particular those with a greater impact on the Total Harmonic Distortion (THD). This paper presents the development of a new APF prototype based on a three-phase three-level Neutral Point Clamped (NPC) inverter with selective harmonic compensation capabilities and reactive power compensation. The selective harmonic compensation approach uses several Synchronous Rotating Frames (SRF), to detect and control individual or a set of harmonics using d and q variables. The APF includes a Three-Dimensional Space Vector Modulator (3D-SVPWM) in order to generate the compensation currents. Because of its multilevel topology, the proposed active power filter can be used in diverse power quality applications at sub-transmission and distribution voltage levels. Simulation and experimental results are shown to validate the proposed solution and assess the prototype performance in different scenarios.
机译：有源功率滤波器（APF）已用于减少波形失真并改善电源质量。但是，可以通过选择性谐波补偿来改善此功能。由于APF具有额定值限制，因此可以方便地选择单个或一组特定谐波，以补偿和应用总APF功能来消除这些谐波，尤其是对总谐波影响更大的谐波失真（THD）。本文介绍了基于三相三电平中性点钳位（NPC）逆变器的新型APF原型的开发，该逆变器具有选择性谐波补偿功能和无功补偿功能。选择性谐波补偿方法使用多个同步旋转框架（SRF），以使用d和q变量检测和控制单个或一组谐波。 APF包括一个三维空间矢量调制器（3D-SVPWM），以生成补偿电流。由于其多级拓扑结构，因此所提出的有源功率滤波器可以在子传输和配电电压级别的各种电能质量应用中使用。仿真和实验结果表明可以验证所提出的解决方案并评估在不同情况下的原型性能。

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