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Real-Time Implementation of Shunt Active Power Filter With Reduced Sensors

机译:具有减少传感器的并联有源功率滤波器的实时实现

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摘要

Performance of shunt active power filter (SAPF) depends on the effectiveness of control strategy, which requires information about voltages and currents obtained from sensors. Faults in these sensors cause SAPF to aggravate power quality problems instead of compensating it. Therefore, sensorless control of SAPF is a very attractive solution for its robust operation. This article proposes an Adaline-based control strategy that requires only source currents and dc voltage measurement, thus reducing source voltage and load current sensors. The proposed estimation techniques enable SAPF to work under highly dynamic load conditions where other similar approaches with reduced sensors cease to perform. A comparative analysis with the classical approach (using all sensors) under the same load conditions is done to show the effectiveness of the proposed techniques. The proposed control strategy is first simulated on MATLAB/Simulink platform and further verified on the OPAL-RT 5700 hardware-in-loop FPGA-based real-time platform.
机译:并联有源功率滤波器(SAPF)的性能取决于控制策略的有效性,该策略需要有关从传感器获得的电压和电流的信息。这些传感器中的故障会导致SAPF加剧电能质量问题,而不是进行补偿。因此,SAPF的无传感器控制因其强大的运行能力而成为非常有吸引力的解决方案。本文提出了一种基于Adaline的控制策略,该策略仅需要测量源电流和直流电压,从而降低了源电压和负载电流传感器。所提出的估算技术使SAPF能够在高动态负载条件下工作,而其他类似方法却减少了传感器的执行能力。在相同的负载条件下,使用经典方法(使用所有传感器)进行了比较分析,以显示所提出技术的有效性。所提出的控制策略首先在MATLAB / Simulink平台上进行仿真,然后在基于OPAL-RT 5700 FPGA硬件在环的实时平台上得到进一步验证。

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