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Real-time laboratory implementation results of an active filter

机译：有源滤波器的实时实验室实施结果

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摘要

Proliferation of power electronics converters and electronic equipments has dramatically increased electric pollution in electrical distribution power systems. One solution to this problem could be the use of active filters that are capable of injecting distorted currents in order to cancel harmonics coming from non-linear loads for instance, or from any other equipment. Consequently, many theories have been developed to control active filters and then perform compensation of unwanted harmonics. In this paper, an overview of the instantaneous compensation theory is presented. This time domain approach was proposed by Akagi [1] under the name “p-q theory” or “instantaneous power theory”. It is the most widely spread theory for two or three phases and three or four wire systems. Then an appropriate control model for active filters based on the literature review is presented. That model is interfaced with real physical system owing to Opal-RT Software that definitely allows real-time control. Laboratory implementations are realized by using RT-Lab Simulator, and by interfacing it with a three phase 120/240 V system and a three phase non-linear load. The final system constitutes a Hardware in the loop (HIL) application. Real-time tests on an Opal-RT simulator, are shown and commented in the paper.
机译：电力电子转换器和电子设备的激增极大地增加了配电电源系统中的电气污染。解决该问题的一种方法是使用有源滤波器，该有源滤波器能够注入失真的电流，以便消除例如非线性负载或任何其他设备产生的谐波。因此，已经开发出许多理论来控制有源滤波器，然后对不想要的谐波进行补偿。本文概述了瞬时补偿理论。这种时域方法是Akagi [1]以“ p-q理论”或“瞬时功率理论”的名义提出的。它是两相或三相和三或四线制系统中使用最广泛的理论。然后基于文献综述提出了一种适用于有源滤波器的控制模型。由于Opal-RT软件绝对可以进行实时控制，因此该模型可以与实际的物理系统连接。实验室的实现是通过使用RT-Lab Simulator，并将其与三相120/240 V系统和三相非线性负载连接来实现的。最终的系统构成了硬件在环（HIL）应用程序。本文显示并评论了Opal-RT模拟器上的实时测试。

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