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Multilevel Parallel Active Power Filter Based on ANFIS Controller for Harmonic Alleviation
Iranian Journal of Science and Technology, Transactions of Electrical Engineering ( IF 2.4 ) Pub Date : 2020-10-24 , DOI: 10.1007/s40998-020-00384-8
M. Kalarathi , N. Rathina Prabha

This paper implements a parallel active power filter (APF) with a three-level inverter and an adaptive neuro-fuzzy inference system (ANFIS)-based controller for voltage regulation. The limitations with nonlinear industrial loads are that they have high power rating and conventional two-level parallel APF cannot be used for mitigating harmonics in such applications. Hence, here a multilevel inverter-based parallel APF that meets the requirement of high-voltage high-power application is proposed. A three-level hysteresis current regulator generates gating pulses for the switches in parallel APF. The modified version of instantaneous real and reactive power (p–q) theory is applied for obtaining reference current with ease. Simulations are done to verify the performance of ANFIS controller in MATLAB with dynamic load changes and distorted supply condition. The outcome of simulation with ANFIS controller is compared with that of fuzzy logic controller (FLC), and its performance is found to be relatively better than FLC with respect to reduction in total harmonic distortion and regulation of inverter DC side capacitor voltage.

中文翻译:

基于ANFIS控制器的多电平并联有源电力滤波器消除谐波

本文使用三电平逆变器和基于自适应神经模糊推理系统 (ANFIS) 的控制器实现了一个并联有源电力滤波器 (APF),用于电压调节。非线性工业负载的局限性在于它们具有高额定功率,并且传统的两电平并联 APF 不能用于减轻此类应用中的谐波。因此,这里提出了一种满足高压大功率应用要求的基于多电平逆变器的并联APF。三电平迟滞电流调节器为并联 APF 中的开关生成门控脉冲。瞬时有功和无功功率 (p-q) 理论的修改版本可用于轻松获得参考电流。进行仿真以验证 MATLAB 中 ANFIS 控制器在动态负载变化和失真电源条件下的性能。将ANFIS控制器的仿真结果与模糊逻辑控制器(FLC)的仿真结果进行比较,发现其在降低总谐波失真和调节逆变器直流侧电容器电压方面的性能优于FLC。
更新日期:2020-10-24
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