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Fuzzy Based Power Factor Improvement Strategy for a Multiple Connected AC-DC Converter Fed Drive

机译:交流-直流变换器馈电驱动器的基于模糊的功率因数改善策略

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The main focus of this paper is to design a Fuzzy based control algorithm to realize an improvement in the input power factor of a multiple connected AC-DC converter fed drive system. It incorporates the role of fuzzy inference principles to generate appropriate PWM pulses for the power switches at the second stage of the power module. The philosophy is developed, with a view to reshape the input current phasor and enables it to align with the supply voltage wave in the perspective of improving the input power factor. The closed loop scheme evaluated using MATLAB based simulation exhibits an enhancement in supply power factor over a range of operating loads in addition to illustrating the speed regulating capability of the drive.
机译:本文的主要重点是设计一种基于模糊的控制算法,以实现对多连接AC-DC转换器馈电驱动系统的输入功率因数的改进。它结合了模糊推理原理的作用,为电源模块第二级的电源开关生成适当的PWM脉冲。开发该原理的目的是为了重塑输入电流相量,并使其从改善输入功率因数的角度与电源电压波对齐。使用基于MATLAB的仿真评估的闭环方案除了说明了驱动器的调速能力外,还显示了在一系列工作负载下的电源功率因数提高。

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